L78L05 datasheet(12/19 Pages) STMICROELECTRONICS

Part #	L78L05

Description	POSITIVE VOLTAGE REGULATORS

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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L78L00 SERIES

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ELECTRICAL CHARACTERISTICS OF L78L10AB AND L78L10AC

(refer to the test circuits, VI = 16V, IO =40mA, CI =0.33 µF, CO =0.1 µF,

TJ = 0 to 125°C for L78L10AC, TJ = -40 to 125°C for L78L10AB, unless otherwise specified)

ELECTRICAL CHARACTERISTICS OF L78L12AB AND L78L12AC

(refer to the test circuits, VI = 19V, IO =40mA, CI =0.33 µF, CO =0.1 µF,

TJ = 0 to 125°C for L78L12AC, TJ = -40 to 125°C for L78L12AB, unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VO

Output Voltage

TJ = 25°C

9.6

10

10.4

V

VO

Output Voltage

IO = 1 to 40 mA

VI =12.5 to 23 V

9.5

10.5

V

IO = 1 to 70 mA

VI = 16 V

9.5

10.5

∆V

O

Line Regulation

VI = 12.5 to 23 V

TJ = 25°C

230

mV

VI =13 to23 V

TJ = 25°C

170

∆V

O

Load Regulation

IO = 1 to 100 mA

TJ = 25°C

80

mV

IO =1to 40mA

TJ = 25°C

40

Id

Quiescent Current

TJ = 25°C

6

mA

TJ = 125°C

5.5

mA

∆I

d

Quiescent Current Change

IO =1to 40mA

0.1

mA

VI =13 to23 V

1.5

eN

Output Noise Voltage

B =10Hz to 100KHz

TJ = 25°C

60

µV

SVR

Supply Voltage Rejection

VI = 14 to 23 V

f = 120Hz

IO =40 mA

TJ = 25°C

37

45

dB

Vd

Dropout Voltage

1.7

V

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VO

Output Voltage

TJ = 25°C

11.5

12

12.5

V

VO

Output Voltage

IO = 1 to 40 mA

VI = 14.5 to 27 V

11.4

12.6

V

IO = 1 to 70 mA

VI = 19 V

11.4

12.6

∆V

O

Line Regulation

VI = 14.5 to 27 V

TJ = 25°C

250

mV

VI =16 to27 V

TJ = 25°C

200

∆V

O

Load Regulation

IO = 1 to 100 mA

TJ = 25°C

100

mV

IO =1to 40mA

TJ = 25°C

50

Id

Quiescent Current

TJ = 25°C

6.5

mA

TJ = 125°C

6

mA

∆I

d

Quiescent Current Change

IO =1to 40mA

0.1

mA

VI =16 to27 V

1.5

eN

Output Noise Voltage

B =10Hz to 100KHz

TJ = 25°C

80

µV

SVR

Supply Voltage Rejection

VI = 15 to 25 V

f = 120Hz

IO =40 mA

TJ = 25°C

37

42

dB

Vd

Dropout Voltage

1.7

V

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