L78M08ABDT Ver la hoja de datos (PDF) - STMicroelectronics

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L78M08ABDT

PRECISION 500mA REGULATORS

STMicroelectronics 

L78M00AB/AC SERIES

ELECTRICAL CHARACTERISTICS OF L78M20XX (refer to the test circuits, VI = 29V, IO = 350 mA,

CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to 125°C (AB), TJ = 0 to 125°C (AC) unless otherwise specified)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VO Output Voltage

VO Output Voltage

∆VO Line Regulation

∆VO Load Regulation

Id Quiescent Current

∆Id Quiescent Current Change

∆VO/∆T Output Voltage Drift

SVR Supply Voltage Rejection

eN Output Noise Voltage

Vd Dropout Voltage

Isc Short Circuit Current

Iscp Short Circuit Peak Current

TJ = 25°C

IO = 5 to 350 mA VI = 23 to 35 V

VI = 23 to 35 V, IO = 200 mA TJ = 25°C

VI = 24 to 35 V, IO = 200 mA TJ = 25°C

IO = 5 to 500 mA TJ = 25°C

IO = 5 to 200 mA TJ = 25°C

TJ = 25°C

IO = 5 to 350 mA

IO = 200 mA

VI = 23 to 35 V

IO = 5 mA

VI = 24 to 34 V

IO = 300mA

f = 120Hz

TJ = 25°C

B =10Hz to 100KHz

TJ = 25°C

TJ = 25°C

TJ = 25°C VI = 35 V

TJ = 25°C

19.6 20 20.4

V

19.2 20 20.8

V

100 mV

30

400 mV

200

6

mA

0.5 mA

0.8

-1.1

mV/°C

53

dB

110

µV

2

V

240

mA

700

mA

ELECTRICAL CHARACTERISTICS OF L78M24XX (refer to the test circuits, VI = 33V, IO = 350 mA,

CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to 125°C (AB), TJ = 0 to 125°C (AC) unless otherwise specified)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VO Output Voltage

VO Output Voltage

∆VO Line Regulation

∆VO Load Regulation

Id Quiescent Current

∆Id Quiescent Current Change

∆VO/∆T Output Voltage Drift

SVR Supply Voltage Rejection

eN Output Noise Voltage

Vd Dropout Voltage

Isc Short Circuit Current

Iscp Short Circuit Peak Current

TJ = 25°C

IO = 5 to 350 mA VI = 27 to 38 V

VI = 27 to 38 V, IO = 200 mA TJ = 25°C

VI = 28 to 38 V, IO = 200 mA TJ = 25°C

IO = 5 to 500 mA TJ = 25°C

IO = 5 to 200 mA TJ = 25°C

TJ = 25°C

IO = 5 to 350 mA

IO = 200 mA

VI = 27 to 38 V

IO = 5 mA

VI = 28 to 38 V

IO = 300mA

f = 120Hz

TJ = 25°C

B =10Hz to 100KHz

TJ = 25°C

TJ = 25°C

TJ = 25°C VI = 35 V

TJ = 25°C

23.5 24 24.5

V

23

24

25

V

100 mV

30

480 mV

240

6

mA

0.5 mA

0.8

-1.2

mV/°C

50

dB

170

µV

2

V

240

mA

700

mA

9/17

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