ISL8016IR33Z-T Ver la hoja de datos (PDF) - Intersil

Número de pieza

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ISL8016IR33Z-T

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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