Datasheet > RT9603_07

RT9603_07

更新时间： 2024-02-03 04:39:40

品牌	Logo	应用领域
立锜 - RICHTEK		驱动器
页数	文件大小	规格书
10页	128K
描述
Synchronous-Rectified Buck MOSFET Drivers

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RT9603_07 数据手册

RT9603

Synchronous-Rectified Buck MOSFET Drivers

General Description

Features

^ꢀDrives Two N-MOSFETs

The RT9603 is a high frequency, dual MOSFET drivers

specifically designed to drive two powerN-MOSFETs in a

synchronous-rectified buck converter topology. The device

combined with the RT924x series of multi-phase PWM

controllers and MOSFETs form a complete core voltage

regulator solution for advanced microprocessors.

^ꢀAdaptive Shoot-Through Protection

^ꢀSupports High Switching Frequency

`Fast Output Rise Time

`Propagation Delay 40ns

^ꢀTri-State Input for Bridge Shutdown

^ꢀSupply Over-Voltage Protection above Maximum

Voltage Rating

The output drivers in the RT9603 can efficiently switch power

MOSFETs at frequencies up to 500kHz. It shall be taken

into account the thermal consideration when the switching

frequency above 500kHz. Each driver is capable of driving

a 3nF load in 30/40ns rise/fall time with fast propagation

delay from input transition to the gate of the power

MOSFET. The device implements boot-strapping on the

upper gate with only an external capacitor and a diode

required. This reduces implementation complexity and

allows the use of higher performance, cost effective N-

MOSFETs.

^ꢀSupply Under-Voltage Protection

^ꢀUpper MOSFET Direct Shorted Protection

^ꢀSmall SOP-8 Package

^ꢀRoHS Compliant and 100% Lead (Pb)-Free

Applications

ꢀ Core Voltage Supplies for Intel Pentium^®4, AMD^®

Athlon^TMMicroprocessors

ꢀ High Frequency Low ProfileDC-DC Converters

ꢀ High Current Low VoltageDC-DC Converters

ꢀ IA Equipments

Both drivers incorporate adaptive shoot-through protect-

ion to prevent upper and lower MOSFETs from conduct-

ing simultaneously and shorting the input supply.

Ordering Information

RT9603

An unique feature of the RT9603 driver is the addition of

over-voltage protection in the event of upper MOSFET

direct shorted before power-on. The RT9603 detects the

fault condition during initial start-up, the internal power-

on OVP sense circuitry will rapidly drive the output lower

MOSFET on before the multi-phase PWM controller takes

control. As a result, the input supply will latch into the

shutdown state, thereby prevent the processor from

damaged.

Package Type

S : SOP-8

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

Note :

RichTek Pb-free and Green products are :

`RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

`Suitable for use in SnPb or Pb-free soldering processes.

`100%matte tin (Sn) plating.

Pin Configurations

(TOP VIEW)

BST

VIN

DRVH

PGND

DRVL

VCC

SOP-8

DS9603-08 March 2007

www.richtek.com

12 3 4 5 6 7...10

中文翻译

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与RT9603_07相关器件

型号	品牌	获取价格	描述	数据表
RT9603CS	RICHTEK	获取价格	Synchronous-Rectified Buck MOSFET Drivers
RT9603GS	RICHTEK	获取价格	Synchronous-Rectified Buck MOSFET Drivers
RT9603PS	RICHTEK	获取价格	Synchronous-Rectified Buck MOSFET Drivers
RT9605A	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605AGQV	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605APQV	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605B	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605B_14	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605BGQV	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver
RT9605BPQV	RICHTEK	获取价格	Triple-Channel Synchronous-Rectified Buck MOSFET Driver

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