PM6681A(2006) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

PM6681A
(Rev.:2006)

Dual step-down controller with adjustable LDO

STMicroelectronics 

PM6681A

Pin settings

Table 1. Pin functions (continued)

N°

Pin

Function

30

COMP1

DC voltage error compensation pin for the switching section 1.

31

VCC

Device Supply Voltage pin. It supplies all the internal analog circuitry except

the gate drivers (see LDO5). Connect this pin to LDO5.

32

VREF

Internal 1.237V high accuracy voltage reference. It can deliver 50uA.

Bypass to SGND with a 100nF capacitor to reduce noise.

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