L4938ND 查看數據表（PDF） - STMicroelectronics

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L4938ND

DUAL MULTIFUNCTION VOLTAGE REGULATOR

STMicroelectronics 

L4938N - L4938ND - L4938NPD

BLOCK DIAGRAM

VS1

VO1

1.23V

REFERENCE

REG1

t(s) VS2

VO2

uc EN

ADJ

Prod t(s) REG2

lete duc 1.23V

so ro 2µ

CT

RES

) - Ob lete P RESET

ct(s bso SI

rodu ) - O SENSE 1.23V

P t(s (optional)

solete roduc THERMAL DATA

b P Symbol

O lete Rthj-case

Obso Rthj-amb

Parameter

Thermal Resistance Junction-Case

Thermal Resistance Junction-Ambient

2.0V

SO

GND

D94AT143A

Max.

Max.

Powerdip PowerSO20

14

<2

90

–

SO20

–

20

Unit

°C/W

°C/W

2/12

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