L5953 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L5953

Multiple switching voltage regulator

STMicroelectronics 

Internal pin connections

3

Internal pin connections

Figure 7. Linear regulators

VREF

1.275V

STCAP

VSTBY

CONTROLLER

POWER MOS

VSTBY

VSTBY

ADJ

FGND

LINEAR REGULATOR

CONTROLLER

FBLR

VLR

VREF

1.275V

POWER MOS

VIN

D03AU1493

Figure 8. Reset

7.5μA

Vref

2.5V/1.65V

FROM VST-BY

Vref 1.275V

D03AU1480

RES

CT

Figure 9. Low voltage warning block diagram.

V1

Vref =1.275V

+

S1

-

W1

M1

V2

Vref =1.275V

+

S2

-

W2

M2

D03AU1478

16/31

L5953

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