L78M datasheet(7/47 Pages) STMICROELECTRONICS

部件名	L78M

功能描述	Precision 500 mA regulators

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制造商	STMICROELECTRONICS [STMicroelectronics]

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L78M

Electrical characteristics

DocID2146 Rev 21

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5

Electrical characteristics

Refer to the test circuits, TJ = 25 °C, VI = 10 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF

unless otherwise specified.

Table 3: Electrical characteristics of L78M05C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

4.8

5

5.2

V

VO

Output voltage

IO = 5 to 350 mA, VI = 7 to 20 V

4.75

5

5.25

V

∆VO

Line regulation

VI = 7 to 25 V, IO = 200 mA

100

mV

VI = 8 to 25 V, IO = 200 mA

50

∆VO

Load regulation

IO = 5 to 500 mA, TJ = 25 °C

100

mV

IO = 5 to 200 mA, TJ = 25 °C

50

Id

Quiescent current

6

mA

∆Id

Quiescent current change

IO = 5 to 350 mA

0.5

mA

IO = 200 mA, VI = 8 to 25 V

0.8

∆VO/∆T

Output voltage drift

IO = 5 mA, TJ = 0 to 125 °C

-0.5

mV/°C

SVR

Supply voltage rejection

VI = 8 to 18 V, f = 120 Hz, IO = 300 mA

62

dB

eN

Output noise voltage

B = 10 Hz to 100 kHz

40

µV

Vd

Dropout voltage

2

V

Isc

Short circuit current

VI = 35 V

300

mA

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L78M 数据表(PDF) 7 Page - STMicroelectronics

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类似零件编号 - L78M

类似说明 - L78M

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