Datasheet > RT5735WSC

RT5735WSC

更新时间： 2024-11-05 22:58:59

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
21页	1354K
描述
IC REG BUCK PROG 5A SYNC 20WLCSP

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RT5735WSC 数据手册

RT5735

5A Step-Down Converter with I²C Interface

General Description

Features

 2.5V to 5.5V Input Supply Voltage

The RT5735 device is a full featured 5.5V, 5A,

synchronous step down constant-on-time (COT)

current mode converter with two integrated MOSFETs.

The RT5735 enables small designs by integrating the

MOSFETs, implementing current mode control to

reduce external component count, reducing inductor

size by enabling up to 2.4MHz switching frequency,

 Current Mode COT Control Loop Design

 Fast Transient Response

 Internal 34m and 18m Synchronous Rectifier

 Highly Accurate V_OUTRegulation Over

Load/Line Range

 Robust Loop Stability with Low-ESR C_OUT

 Over-Temperature Protection

and minimizing the IC footprint with

small

WL-CSP-20B 1.6x2 (BSC) package. The RT5735

provides accurate regulation for a variety of loads with

an accurate ±1% Voltage Reference (VREF) over

temperature. Efficiency is maximized through the

integrated 34m/18m MOSFETs and 70A typical

quiescent current. Using the enable pin, shutdown

supply current is less than 2A by entering a shutdown

mode.

Applications

 Distributed Power Systems

 Enterprise Servers, Ethernet Switches & Routers,

and Global Storage Equipment

 Telecom & Industrial Equipment

Ordering Information

RT5735

The output voltage startup ramp is controlled by the

slow start pin. An open-drain power good signal

indicates the output is within 90% to 95% of its nominal

voltage.

Package Type

WSC : WL-CSP-20B 1.6x2 (BSC)

Note :

Richtek products are :

Marking Information

 RoHS compliant and compatible with the current

1Z : Product Code

requirements of IPC/JEDEC J-STD-020.

W : Date Code

1ZW

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

Simplified Application Circuit

RT5735

………

PVDD

AVDD

OUT

VSEL

SCL

SDA

PG/PGND

PGND

AGND

is a registered trademark of Richtek Technology Corporation

DS5735-00 August 2014

www.richtek.com

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