ISL6226 Просмотр технического описания (PDF) - Intersil

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ISL6226

Advanced PWM and Linear Power Controller for Portable Applications

Intersil 

VIN

VCC

GND

FPWM

BOOT

FSET

CLK

CLK

RAMP

POWER-ON

RESET (POR)

POR

POR

PWMEN

LINEN

SSPWM

REFERENCE

AND

SOFT START

SSLIN

SDWN

REF

PGOODP

PGOODL

LINDR

OVP

UVO

OUTPUT

VOLTAGE

MONITOR

VSEN

PWM

LATCH 1

VCC

QD

R

Q<

-

FPWM

HI

SHUTOFF

HGDR1

GATE LOGIC

DEADT

PWM/HYST

PWM ON

LO

HYST ON

GATE

CONTROL

LGDR

OVP

HYST COMP1

-

CLK1

OC LOGIC1

OC COMP1

-

EA -

UGATE

PHASE

PVCC

LGATE

PGND

VSEN

VOLTAGE

S

CLAMP

REF

FFBK

LGATE1

MODE CHANGE

+

-

COMP

R1=20K LGATE

ISEN

-

LINCS1

LINCS2

LINVS

POR

LINEAR

SDWN

CONTROLLER

REF

OCSET

PWM/HYS

LOGIC

VOUT

FIGURE 1. FUNCTIONAL BLOCK DIAGRAM

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