L78M12AC(2008) 데이터 시트보기 (PDF) - STMicroelectronics

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L78M12AC
(Rev.:2008)

Precision 500 mA regulators

STMicroelectronics 

L78MxxAB - L78MxxAC

Electrical characteristics

Table 8.

Electrical characteristics of L78M10XX (refer to the test circuits, VI = 16 V, 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

TJ = 25°C

9.8

VO Output voltage

IO = 5 to 350 mA, VI = 12.5 to 25 V

9.6

ΔVO Line regulation

VI = 12.5 to 30 V, IO = 200 mA,

TJ = 25°C

VI = 13 to 30 V, IO = 200 mA, TJ = 25°C

ΔVO Load regulation

IO = 5 to 500 mA, TJ = 25°C

IO = 5 to 200 mA, TJ = 25°C

Id

Quiescent current

TJ = 25°C

ΔId

IO = 5 to 350 mA

Quiescent current change

IO = 200 mA, VI = 12.5 to 30 V

ΔVO/ΔT Output voltage drift

IO = 5 mA

SVR Supply voltage rejection

VI = 13.5 to 24 V, f = 120Hz,

IO = 300mA, TJ = 25°C

56

eN Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

Vd Dropout voltage

TJ = 25°C

Isc Short circuit current

VI = 35 V, TJ = 25°C

Iscp Short circuit peak current TJ = 25°C

10 10.2 V

10 10.4 V

100

mV

30

200

mV

100

6

mA

0.5

mA

0.8

-0.5

mV/°C

dB

64

µV

2

V

245

mA

700

mA

11/29

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