ISL8016 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

ISL8016

6A Low Quiescent Current High Efficiency Synchronous Buck Regulator

Intersil 

Block Diagram

ISL8016

SS

SHUTDOWN

SSOoFfTt

START

COMP

55pF

168k

EN

VSET

BANDGAP VREF

EAMP

-

3pF

+

VFB

6k

0.8V

-

SLSOloPpEe

COMP

+

OV

-

0.85*VREF

+

UV

PG

SGND

1ms

DELAY

FS SYNCIN

SYNCOUT

SHUTDOWN

250µA

VDD

OSCILLATOR

+

COMP

-

PWM/PFM

LOGIC

CONTROLLER

PROTECTION

HS DRIVER

+

OCP

-

+

SKIP

-

+

CSA

-

ISET

THRESHOLD

NEG CURRENT

SENSING

VIN

P

PHASE

LS

DRIVER

N

PGND

ISET

0.1V

-

SCP

+

ZERO-CROSS

SENSING

100

SHUTDOWN

FIGURE 4. FUNCTIONAL BLOCK DIAGRAM

6

FN7616.1

May 5, 2011

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