L4938N Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

Список матч

L4938N

DUAL MULTIFUNCTION VOLTAGE REGULATOR

STMicroelectronics 

L4938N - L4938ND - L4938NPD

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VS

DC Supply Voltage

28

V

Transient Supply Voltage (T < 1s)

40

V

Tj, Tstg Junction and Storage Temperature Range

–55 to 150

°C

ISI

Sense Input Current (VSI ≤0.3V or VSI > VS)

±1

mA

IEN

Enable Input Current (VEN ≤0.3V)

±1

mA

VEN

Enable Input Voltage

VS

VRES, VSO Reset and Sense Output Voltage

20

V

IRES, ISO Reset and Sense Output Current

PD

Power Dissipation

) Note : The circuit is ESD protected according to MIL–STD–883C.

duct(s APPLICATION CIRCUIT

5

mA

875

mW

bsolete PPrrooduct(s) VS1

) - O lete CS

ct(s bso REFERENCE

rodu ) - O VS2

P t(s EN

solete roduc 1.23V

REG1

REG2

2µ

Ob lete P RESET

o SI

Obs SENSE 1.23V

1.23V

2.0V

VO1

CO1

VO2

ADJ

CO2

CT

RES

SO

CT

RRES

VO1

RSO

GND

(optional)

D94AT144A

CS ≥ 1µF ; C01 ≥ 6µF ; C02 ≥ 10µF, ESR < 10Ω at 10KHz

3/12

Share Link: