RT9230CS View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

RT9230CS

1.5V Advanced Dual PWM and Dual Linear Power Controller

Unspecified 

RT9230

Function Block Diagram

GATE3

DRIVE4

VSEN4

UGATE2

PHASE2

VSEN2

SELECT

VSEN3

OCSET2

VSEN1

OCSET1

VCC

VAU X

_

75%

+

_ 1.26V

VCC

DR IVE2

LUV

L IN EAR

UN DER

VOLTAGE

200µA

110%

90%

115%

200µA

POWER-ON

RESET (POR)

UPPER

DR IVE

VCC

OC2

INHIBIT

OV

SOFT-START

GATE

PWM

COMP2

& FAULT

LOGIC

CONTROL PWM2 _

INHIBIT

FAULT

COMPEN-

SATION

_

+

ERROR

AMP2

75%

OC1

_

ERROR

AMP1

GATE

PWM1

CONTROL

LOGIC

PWM

COMP1

LOWER

DR IVE

VCC

+

1.5V or 3.3V

OSCILLATOR

VCC

28µA

5V

DACOUT

COMPEN-

SATION

TTL D/A

CONVERTER

(DAC)

FAULT

SS

FB1

VID0 VID2 VID4

VID1 VID3

VAUX

PGOOD

UGATE1

PHASE1

LGATE1

PGND

GND

www.richtek-ic.com.tw

4

DS9230-03 July 2001

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