ISL8013A Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

ISL8013A

3A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

Intersil 

ISL8013A

Block Diagram

SYNCH

SOSoFfTt

START

SHUTDOWN

-

EN

BANDGAP 0.8V EAMP

-

27pF

390k

OSCILLATOR

+

COMP

-

VFB

3pF

+

SHUTDOWN

PWM/PFM

LOGIC

CONTROLLER

PROTECTION

DRIVER

6k

SLSOloPpEe

COMP

PG

SGND

+

0.736V -

1ms

DELAY

+

OCP

-

+

CSA

-

1.4V

+

SKIP

-

0.5V

ZERO-CROSS

SENSING

-

SCP

0.2V

+

FIGURE 2. FUNCTIONAL BLOCK DIAGRAM

VIN

LX

PGND

4

FN7526.0

November 25, 2009

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