L78M05AB(2008) 데이터 시트보기 (PDF) - STMicroelectronics

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L78M05AB
(Rev.:2008)

Precision 500 mA regulators

STMicroelectronics 

L78MxxAB - L78MxxAC

Electrical characteristics

Table 6.

Electrical characteristics of L78M08XX (refer to the test circuits, VI = 14 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

7.84 8 8.16 V

VO Output voltage

IO = 5 to 350 mA, VI = 10.5 to 23 V

7.7

8

8.3

V

ΔVO Line regulation

VI = 10.5 to 25 V, IO = 200 mA,

TJ = 25°C

VI = 11 to 25 V, IO = 200 mA, TJ = 25°C

100

mV

30

ΔVO Load regulation

IO = 5 to 500 mA, TJ = 25°C

IO = 5 to 200 mA, TJ = 25°C

160

mV

80

Id

Quiescent current

TJ = 25°C

6

mA

ΔId

IO = 5 to 350 mA

Quiescent current change

IO = 200 mA, VI = 10.5 to 25 V

0.5

mA

0.8

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.5

mV/°C

SVR Supply voltage rejection

VI = 11.5 to 21.5 V, f = 120Hz

IO = 300mA, TJ = 25°C

56

dB

eN Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

52

µV

Vd Dropout voltage

TJ = 25°C

2

V

Isc Short circuit current

TJ = 25°C, VI = 35 V

250

mA

Iscp Short circuit peak current TJ = 25°C

700

mA

9/29

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