ISL6235 View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL6235

Advanced Triple PWM Only Mode and Dual Linear Power Controller for Portable Applications

Intersil 

Block Diagram

VSEN3

GATE3

VBATT

CLK1

BOOST

CONTROLLER

BOOT2

UGATE2

PHASE2

REF

HGDR2

RAMP 2

CLK2

CLK

200ns

RAMP 1

CLK1

GATE LOGIC 2

HI

SHUTOFF

GND

UVFLT

POWER-ON

RESET (POR)

POR

GATE LOGIC 1

HI

SHUTOFF

DEADTIME

PWM ON

LO

HGDR1

BOOT1

UGATE1

PHASE1

VCC

LGDR1

OVP1

LGATE1

PGND1

VSEN1

LGATE2

PGND2

VSEN2

VCC

LGDR2

OVP2

DEADTIME

PWM ON

LO

EA2

-

OC COMP2

-

2.8V

OC

LOGIC2

REF

ISEN2

R1 = 20K

-

LGATE2

LGATE2

VOLT-

SECOND

CLAMP

∑

UVFLT

OVP1

OVP2

VCC PWM

LATCH 2

DQ

R

>Q

-

OUTPUT

VOLTAGE

MONITOR

PWM VCC

LATCH 1

QD

R

Q<

-

OC COMP1

OC LOGIC1

-

VOLT-

∑

SECOND

CLAMP

VBATT

VSEN1

EA1

-

REF

R1 = 20K

-

ISEN1

LGATE1

LGATE1

SDWN

LDO1

LDO2

PGOOD

3.3V-ALWAYS

VCC

POR

REFERENCE

SDWN

AND

SOFT START

SDWN1

SDWN2

REF 2.5V

SDWNALL

5V-ALWAYS

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