Datasheet > RT5711B

RT5711B

更新时间： 2025-07-26 17:00:51

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
14页	917K
描述
1.5A, 1MHz, 6V CMCOT Synchronous Step-Down Converter

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RT5711B 数据手册

RT5711B

1.5A, 1MHz, 6V CMCOT Synchronous Step-Down Converter

General Description

Features

 Efficiency Up to 95%

The RT5711B is a high efficiency synchronous

step-down DC-DC converter. Its input voltage range is

from 2.5V to 6V and provides an adjustable regulated

output voltage from 0.6V to 3.4V while delivering up to

1.5A of output current.

 R_DSON160m HS / 110m LS

 V_INRange 2.5V to 6V

 V_REF0.6V with 2% Accuracy

 CMCOT™ Control Loop Design for Best

Transient Response, Robust Loop Stability with

Low-ESR (MLCC) C_OUT

The internal synchronous low on-resistance power

switches increase efficiency and eliminate the need for

an external Schottky diode. The Current Mode

Constant-On-time (CMCOT) operation with internal

compensation allows the transient response to be

optimized over a wide range of loads and output

capacitors.

 Fixed Soft-Start 1.2ms

 Cycle-by-Cycle Over-Current Protection

 Input Under-Voltage Lockout

 Output Under-Voltage Protection (UVP Hiccup)

 Thermal Shutdown Protection

Marking Information

Applications

2Y : Product Code

 STB, Cable Modem, & xDSL Platforms

 LCD TV Power Supply & Metering Platforms

 General Purpose Point of Load (POL)

W : Date Code

2YW

Ordering Information

Pin Configuration

RT5711B

(TOP VIEW)

Package Type

QW : WDFN-6L 2x2 (W-Type)

GND

Lead Plating System

G : Green (Halogen Free and Pb Free)

VIN

UVP Option

H : Hiccup

WDFN-6L 2x2

Note :

Richtek products are :

 RoHS compliant and compatible with the current

requirements of IPC/JEDEC J-STD-020.

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

Simplified Application Circuit

OUT

VIN

RT5711B

OUT

GND

is a registered trademark of Richtek Technology Corporation.

DS5711B-04 December 2019

www.richtek.com

12 3 4 5 6 7...14

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