l7805cv-stm

POSITIVE VOLTAGE REGULATORS

November 1999s OUTPUT CURRENT UP TO 1.5A

s

OUTPUT VOLTAGESOF 5;5.2;6;8;8.5;9;12;15;18;24V

s THERMAL OVERLOAD PROTECTION s SHORT CIRCUIT PROTECTION

s

OUTPUT TRANSITION SOA PROTECTION

DESCRIPTION

The L7800series of three-terminal positive regulators is available in TO-220ISOWATT220TO-3and D 2PAK packages and several fixed output voltages,making it useful in a wide range of applications.These regulators can provide local on-card regulation,eliminating the distribution problems associated with single point regulation.Each type employs internal current limiting,thermal shut-down and safe area protection,making it essentially indestructible.If adequate heat sinking is provided,they can deliver over 1A output current.Although designed primarily as fixed voltage regulators,these devices can be used with external components to obtain adjustable voltages and currents.

12

TO-3

TO-220ISOWATT220

D 2PAK

BLOCK DIAGRAM

®

1/25

CONNECTION DIAGRAM AND ORDERING NUMBERS (top view)

TO-220&ISOWATT 220TO-3

D 2

PAK

THERMAL DATA

Symbol

Parameter

D 2

PAK TO-220ISOWATT220

TO-3Unit

R thj-ca se R thj-amb Thermal Resistance Junction-case Max Thermal Resistance Junction-ambient Max 362.5

350

460

435

o C/W o

C/W

Type TO-220D 2

PAK (*)ISOWATT220TO-3Output Voltage

L7805L7805C L7852C L7806L7806C L7808L7808C L7885C L7809C L7812L7812C L7815L7815C L7818L7818C L7820L7820C L7824L7824C

L7805CV L7852CV L7806CV L7808CV L7885CV L7809CV L7812CV L7815CV L7818CV L7820CV L7824CV

L7805CD2T L7852CD2T L7806CD2T L7808CD2T L7885CD2T L7809CD2T L7812CD2T L7815CD2T L7818CD2T L7820CD2T L7824CD2T

L7805CP L7852CP L7806CP L7808CP L7885CP L7809CP L7812CP L7815CP L7818CP L7820CP L7824CP

L7805T L7805CT L7852CT L7806T L7806CT L7808T L7808CT L7885CT L7809CT L7812T L7812CT L7815T L7815CT L7818T L7818CT L7820T L7820CT L7824T L7824CT

5V 5V 5.2V 6V 6V 8V 8V 8.5V 9V 12V 12V 15V 15V 18V 18V 20V 20V 24V 24V

(*)AVAILABLE IN TAPE AND REEL WITH ”-TR”SUFFIX

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter

Value Unit V i DC Input Voltage (for V O =5to 18V)

(for V O =20,24V)3540

V V

I o Output Current Internally limited P tot Power Dissipation

Internally limited

T op Operating Junction Temperature Range (for L7800)

(for L7800C )-55to 1500to 150o C o C T st g

Storage Temperature Range

-65to 150

o

C

L7800

2/25

SCHEMATIC DIAGRAM

3/25TEST CIRCUITS

Figure3:Ripple Rejection.Figure2:Load Regulation.

Figure1:DC Parameter L7800

4/25

ELECTRICAL CHARACTERISTICS FOR L7806(refer to the test circuits,T j =-55to 150o C,V i =15V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C 5.756 6.25V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =9to 21V 5.65

6

6.35V ∆V o *Line Regulation V i =8to 25V T j =25o C V i =9to 13V

T j =25o C

6030

mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

10030mV mV I d Quiescent Current T j =25o C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =9to 25V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

0.7

mV/o

C

eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =9to 19V f =120Hz 65

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5V R o Output Resistance f =1KHz 19m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75

1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3

A

ELECTRICAL CHARACTERISTICS FOR L7805(refer to the test circuits,T j =-55to 150o C,V i =10V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 4.85 5.2V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =8to 20V 4.65

5 5.35V ∆V o *Line Regulation V i =7to 25V T j =25o C V i =8to 12V

T j =25o C

31

5025mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

10025mV mV I d Quiescent Current T j =25o

C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =8to 25V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

0.6

mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =8to 18V f =120Hz 68

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 17

m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

L7800

5/25

ELECTRICAL CHARACTERISTICS FOR L7812(refer to the test circuits,T j =-55to 150o C,V i =19V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C

11.51212.5V V o Output Voltage I o =5mA to 1A P o ≤15W V i =15.5to 27V

11.4

12

12.6V ∆V o *Line Regulation V i =14.5to 30V T j =25o C V i =16to 22V T j =25o C 12060mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

10060mV mV I d Quiescent Current T j =25o C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =15to 30V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

1.5

mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =15to 25V f =120Hz

61

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 18m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

ELECTRICAL CHARACTERISTICS FOR L7808(refer to the test circuits,T j =-55to 150o C,V i =14V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o C

7.788.3V V o Output Voltage I o =5mA to 1A P o ≤15W V i =11.5to 23V

7.6

8

8.4V ∆V o *Line Regulation V i =10.5to 25V T j =25o C V i =11to 17V T j =25o C 8040mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

10040mV mV I d Quiescent Current T j =25o

C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =11.5to 25V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

1

mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =11.5to 21.5V f =120Hz

62

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 16m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

L7800

6/25

ELECTRICAL CHARACTERISTICS FOR L7818(refer to the test circuits,T j =-55to 150o C,V i =26V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C 17.31818.7V V o Output Voltage I o =5mA to 1A P o ≤15W V i =22to 33V 17.1

18

18.9V ∆V o *Line Regulation V i =21to 33V T j =25o C V i =24to 30V

T j =25o C

18090mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

18090mV mV I d Quiescent Current T j =25o C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =22to 33V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

2.3

mV/o

C

eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =22to 32V f =120Hz 59

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 22

m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

ELECTRICAL CHARACTERISTICS FOR L7815(refer to the test circuits,T j =-55to 150o C,V i =23V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o C

14.41515.6V V o Output Voltage I o =5mA to 1A P o ≤15W V i =18.5to 30V

14.25

15

15.75V ∆V o *Line Regulation V i =17.5to 30V T j =25o C V i =20to 26V T j =25o C 15075mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

15075mV mV I d Quiescent Current T j =25o

C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =18.5to 30V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

1.8

mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =18.5to 28.5V f =120Hz

60

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 19m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

7/25

ELECTRICAL CHARACTERISTICS FOR L7824(refer to the test circuits,T j =-55to 150o C,V i =33V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C 232425V V o Output Voltage I o =5mA to 1A P o ≤15W V i =28to 38V 22.8

24

25.2V ∆V o *Line Regulation V i =27to 38V T j =25o C V i =30to 36V

T j =25o C

240120mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

240120mV mV I d Quiescent Current T j =25o C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =28to 38V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

3

mV/o

C

eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =28to 38V f =120Hz 56

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 28

m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

ELECTRICAL CHARACTERISTICS FOR L7820(refer to the test circuits,T j =-55to 150o C,V i =28V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 19.22020.8V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =24to 35V

19

20

21V ∆V o *Line Regulation V i =22.5to 35V T j =25o C V i =26to 32V T j =25o C 200100mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

200100mV mV I d Quiescent Current T j =25o

C 6mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =24to 35V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

2.5

mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV/V O SVR Supply Voltage Rejection V i =24to 35V f =120Hz 58

dB V d Dropout Voltage I o =1A T j =25o C

2 2.5

V R o Output Resistance f =1KHz 24

m ΩI s c Short Circuit Current V i =35V T j =25o C

0.75 1.2A I scp

Short Circuit Peak Current

T j =25o C

1.3

2.2

3.3A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

8/25

ELECTRICAL CHARACTERISTICS FOR L7852C (refer to the test circuits,T j =0to 125o C,V i =10V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C 5.0 5.2 5.4V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =8to 20V 4.95

5.2 5.45V ∆V o *Line Regulation V i =7to 25V T j =25o C V i =8to 12V

T j =25o C

31

10552mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

10552mV mV I d Quiescent Current T j =25o C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =7to 25V 1.3

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1.0mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 42

µV SVR Supply Voltage Rejection V i =8to 18V f =120Hz 61

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 17

m ΩI s c Short Circuit Current V i =35V T j =25o C

750mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

ELECTRICAL CHARACTERISTICS FOR L7805C (refer to the test circuits,T j =0to 125o C,V i =10V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 4.85 5.2V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =7to 20V 4.75

5 5.25V ∆V o *Line Regulation V i =7to 25V T j =25o C V i =8to 12V

T j =25o C

31

10050mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

10050mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =7to 25V 0.8

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1.1mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 40

µV SVR Supply Voltage Rejection V i =8to 18V f =120Hz 62

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 17

m ΩI s c Short Circuit Current V i =35V T j =25o C

750mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

9/25

ELECTRICAL CHARACTERISTICS FOR L7808C (refer to the test circuits,T j =0to 125o C,V i =14V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C

7.788.3V V o Output Voltage I o =5mA to 1A P o ≤15W V i =10.5to 25V

7.6

8

8.4V ∆V o *Line Regulation V i =10.5to 25V T j =25o C V i =11to 17V T j =25o C 16080mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

16080mV mV I d Quiescent Current T j =25o C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =10.5to 25V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-0.8mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 52

µV SVR Supply Voltage Rejection V i =11.5to 21.5V f =120Hz

56

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 16m ΩI s c Short Circuit Current V i =35V T j =25o C

450mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

ELECTRICAL CHARACTERISTICS FOR L7806C (refer to the test circuits,T j =0to 125o C,V i =11V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 5.756 6.25V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =8to 21V 5.7

6

6.3V ∆V o *Line Regulation V i =8to 25V T j =25o C V i =9to 13V

T j =25o C

12060mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

12060mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =8to 25V 1.3

mA ∆V o ∆T Output Voltage Drift I o =5mA

-0.8mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 45

µV SVR Supply Voltage Rejection V i =9to 19V f =120Hz 59

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 19

m ΩI s c Short Circuit Current V i =35V T j =25o C

550mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

10/25

ELECTRICAL CHARACTERISTICS FOR L7809C (refer to the test circuits,T j =0to 125o C,V i =15V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C

8.6599.35V V o Output Voltage I o =5mA to 1A P o ≤15W V i =11.5to 26V

8.55

9

9.45V ∆V o *Line Regulation V i =11.5to 26V T j =25o C V i =12to 18V T j =25o C 18090mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

18090mV mV I d Quiescent Current T j =25o C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =11.5to 26V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1.0mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 70

µV SVR Supply Voltage Rejection V i =12to 23V f =120Hz

55

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 17m ΩI s c Short Circuit Current V i =35V T j =25o C

400mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

ELECTRICAL CHARACTERISTICS FOR L7885C (refer to the test circuits,T j =0to 125o C,V i =14.5V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 8.28.58.8V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =11to 26V

8.1

8.5

8.9V ∆V o *Line Regulation V i =11to 27V T j =25o C V i =11.5to 17.5V T j =25o C 16080mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

16080mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =11to 27V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-0.8mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 55

µV SVR Supply Voltage Rejection V i =12to 22V f =120Hz 56

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 16

m ΩI s c Short Circuit Current V i =35V T j =25o C

450mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

11/25

ELECTRICAL CHARACTERISTICS FOR L7815C (refer to the test circuits,T j =0to 125o C,V i =23V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C

14.41515.6V V o Output Voltage I o =5mA to 1A P o ≤15W V i =17.5to 30V

14.25

15

15.75V ∆V o *Line Regulation V i =17.5to 30V T j =25o C V i =20to 26V T j =25o C 300150mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

300150mV mV I d Quiescent Current T j =25o C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =17.5to 30V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 90

µV SVR Supply Voltage Rejection V i =18.5to 28.5V f =120Hz

54

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 19m ΩI s c Short Circuit Current V i =35V T j =25o C

230mA I scp

Short Circuit Peak Current

T j =25o C

2.1

A

ELECTRICAL CHARACTERISTICS FOR L7812C (refer to the test circuits,T j =0to 125o C,V i =19V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o C

11.51212.5V V o Output Voltage I o =5mA to 1A P o ≤15W V i =14.5to 27V

11.4

12

12.6V ∆V o *Line Regulation V i =14.5to 30V T j =25o C V i =16to 22V T j =25o C 240120mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

240120mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =14.5to 30V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 75

µV SVR Supply Voltage Rejection V i =15to 25V f =120Hz

55

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 18m ΩI s c Short Circuit Current V i =35V T j =25o C

350mA I scp

Short Circuit Peak Current

T j =25o C

2.2

A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

12/25

ELECTRICAL CHARACTERISTICS FOR L7820C (refer to the test circuits,T j =0to 125o C,V i =28V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o

C 19.22020.8V V o Output Voltage I o =5mA to 1A P o ≤15W

V i =23to 35V

19

20

21V ∆V o *Line Regulation V i =22.5to 35V T j =25o C V i =26to 32V T j =25o C 400200mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

400200mV mV I d Quiescent Current T j =25o C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =23to 35V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1mV/o

C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 150

µV SVR Supply Voltage Rejection V i =24to 35V f =120Hz

52

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 24m ΩI s c Short Circuit Current V i =35V T j =25o C

180mA I scp

Short Circuit Peak Current

T j =25o C

2.1

A

ELECTRICAL CHARACTERISTICS FOR L7818C (refer to the test circuits,T j =0to 125o C,V i =26V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions

Min.Typ.Max.Unit V o Output Voltage T j =25o C 17.31818.7V V o Output Voltage I o =5mA to 1A P o ≤15W V i =21to 33V 17.1

18

18.9V ∆V o *Line Regulation V i =21to 33V T j =25o C V i =24to 30V

T j =25o C

360180mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o C I o =250to 750mA T j =25o C

360180mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =21to 33V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 110

µV SVR Supply Voltage Rejection V i =22to 32V f =120Hz 53

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 22

m ΩI s c Short Circuit Current V i =35V T j =25o C

200mA I scp

Short Circuit Peak Current

T j =25o C

2.1

A

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

13/25

*Load and line regulation are specified at constant junction temperature.Changes in V o due to heating effects must be taken into account separately.Pulce testing with low duty cycle is used.

ELECTRICAL CHARACTERISTICS FOR L7824C (refer to the test circuits,T j =0to 125o C,V i =33V,I o =500mA,C i =0.33µF,C o =0.1µF unless otherwise specified)

Symbol Parameter

Test Conditions Min.Typ.Max.Unit V o Output Voltage T j =25o C 232425V V o Output Voltage I o =5mA to 1A P o ≤15W V i =27to 38V 22.8

24

25.2V ∆V o *Line Regulation V i =27to 38V T j =25o C V i =30to 36V

T j =25o C

480240mV mV ∆V o *Load Regulation I o =5to 1500mA T j =25o

C I o =250to 750mA T j =25o C

480240mV mV I d Quiescent Current T j =25o

C 8mA ∆I d Quiescent Current Change I o =5to 1000mA 0.5mA ∆I d Quiescent Current Change V i =27to 38V 1

mA ∆V o ∆T Output Voltage Drift I o =5mA

-1.5mV/o C eN Output Noise Voltage B =10Hz to 100KHz T j =25o C 170

µV SVR Supply Voltage Rejection V i =28to 38V f =120Hz

50

dB V d Dropout Voltage I o =1A T j =25o C

2V R o Output Resistance f =1KHz 28

m ΩI s c Short Circuit Current V i =35V T j =25o C

150mA I scp

Short Circuit Peak Current

T j =25o

C

2.1

A

14/25

Figure 8:Output Impedance vs.Frequency.

Figure 9:Quiescent Current vs.Junction

Temperature.

Figure 4:Dropout Voltage vs.Junction

Temperature.

Figure 5:Peak Output Current vs.Input/output

Differential Voltage.

Figure 6:Supply Voltage Rejection vs.

Frequency.Figure 7:Output Voltage vs.Junction

Temperature.

15/25

Voltage.

Figure13:Fixed Output Regulator.Figure14:Current Regulator. Figure10:Load Transient Response.Figure11:Line Transient Response.

NOTE:

1.To specify an output voltage,substitute voltage value for”XX”.

2.Although no output capacitor is need for stability,it does improve transient response.

3.Required if cregulator is locate an appreciable distance from power supply filter.I O=

V XX

R1

+I d

16/25

Figure 15:Circuit for Increasing Output

Voltage.

Figure 16:Adjustable Output Regulator

(7to 30V).

Figure 17:0.5to 10V Regulator.Figure 18:High Current Voltage Regulator.

I R1≥5I d V O =V XX (1+

R 2

R 1

)+I d R 2VO =V XX

R 4R 1

R 1=

V BEQ 1I REQ −

I Q 1βQ 1

I O =I REG +Q 1(I REG −

V BEQ 1

R 1

)

17/25

Figure 19:High Output Current with Short

Circuit Protection.

Figure 20:Tracking Voltage Regulator.

Figure 21:Split Power Supply (±15V –1A).Figure 22:Negative Output Voltage Circuit.

Figure 23:Switching Regulator.Figure 24:High Input Voltage Circuit.

V IN =V i -(V Z +V BE )

*Against potential latch-up problems.

R SC =

V BEQ 2I SC

18/25

Figure 27:High Input and Output Voltage.

Figure 28:Reducing Power Dissipation with

Dr opping Resistor.

Figure 29:Remote Shutdown.

Figure 25:High Input Voltage Circuit.

Figure 26:High Output Voltage Regulator.

V O =V XX +V Z1

R =

V i (min )−V XX −V DROP (max )

I O (max )+I d (max )

19/25

Figure 30:Power AM Modulator (unity voltage

gain,I o <1A).

Figure 31:Adjustable Output Voltage with

Temperature Compensation.

NOTE:The circuit performs well up to 100KHz

NOTE:Q 2is connected as a diode in order to compensate the variation of the Q 1V BE with the temperature.C allows a slow rise-time of the V o

Figure 32:Light Controllers (V o min =V xx +V BE ).

Figure 33:Protection against Input Short-circuit

with High Capacitance Loads.

Application with high capacitance loads and an output voltage greater than 6volts need an external diode (see fig.33)to protect the deviceagainst input short circuit.In this case the input voltage falls rapidly while the output voltage decrease slowly.The capacitance dischrges by means of the Base-Emitter junction of the series pass transistor in the regulator.If the energy is sufficently high,the transistor may be destroyed.The external diode by-passes the current from the IC to ground.

V O falls when the light goes up

V O rises when the light goes up

V O =V

XX

(1+

R 2

R 1

)+V BE 20/25

DIM.

mm

inch MIN.

TYP.MAX.

MIN.

TYP.MAX.

A 11.7

0.460

B 0.96

1.100.037

0.043C 1.700.066D 8.70.342E 20.0

0.787G 10.90.429N 16.9

0.665

P 26.2 1.031R 3.88

4.090.152

0.161U 39.50

1.555

V

30.10

1.185

E

B

R

C

D

A P G

N

V

U

O

P003N

TO-3(R)MECHANICAL DATA

21/25

DIM.mm

inch MIN.TYP.

MAX.MIN.TYP.

MAX.A 4.40 4.600.1730.181C 1.23 1.320.0480.051D 2.40

2.72

0.094

0.107

D1 1.27

0.050

E 0.490.700.0190.027

F 0.610.880.0240.034F1 1.14 1.700.0440.067F2 1.14 1.700.0440.067

G 4.95 5.150.1940.203G1 2.4 2.70.0940.106H210.0

10.40

0.393

0.409

L216.4

0.5

L413.014.00.5110.551L5 2.65 2.950.1040.116L615.2515.750.6000.620L7 6.2 6.60.2440.260L9 3.5 3.930.1370.154DIA.

3.75 3.85

0.147

0.151

L6

A

C

D

E

D 1

F

G

L7

L2

Dia.

F 1

L5

L4

H 2

L9

F 2

G 1

TO-220MECHANICAL DATA

P011C

22/25

DIM.

mm inch MIN.

TYP.

MAX.MIN.TYP.

MAX.A 4.4 4.60.1730.181B 2.5 2.70.0980.106D 2.5 2.750.0980.108E 0.40.70.0150.027F 0.7510.0300.039F1 1.15 1.70.0450.067F2 1.15 1.70.0450.067G 4.95 5.20.1950.204G1 2.4 2.70.0940.106H 10

10.4

0.393

0.409

L216

0.630

L328.630.6 1.126 1.204L49.810.60.3850.417L615.916.40.6260.5L799.30.3540.366Ø

3 3.2

0.118

0.126

L2

A

B

D

E

H

G

L6

¯

F

L3

G 1

123

F 2

F 1

L7

L4

ISOWATT220MECHANICAL DATA

P011G

23/25

DIM.

mm

inch MIN.

TYP.

MAX.MIN.TYP.

MAX.A 4.4 4.60.1730.181A1 2.49 2.690.0980.106B 0.70.930.0270.036B2 1.14 1.70.0440.067C 0.450.60.0170.023C2 1.23 1.360.0480.053D 8.959.350.3520.368E 1010.40.3930.409G 4.88 5.280.1920.208L 1515.850.5900.624L2 1.27 1.40.0500.055L3

1.4

1.75

0.055

0.068

L2

L3

L

B2

B G

E

A

C2D

C

A1

DETAIL”A”

DETAIL”A”

A 2P011P6/F

TO-263(D 2PAK)MECHANICAL DATA

24/25

L7800

Information furnished is believed to be accurate and reliable.However,STMicroelectroni c s assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.No license is granted by implication or otherwise under any patent or patent rights of STMicroelectroni c s.Specification mentioned in this publication are subject to change without notice.This publication supersedes and replaces all informati o n previously supplied.STMicroelectronics products are not authorized for use as critical components in life support devices or systems withoutexpress written approval of STMicroelectronics.

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25/25