Datasheet > RT5797A

RT5797A

更新时间： 2024-04-09 19:02:45

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
24页	1048K
描述
3A, 1MHz, 6V CMCOT Synchronous Step-Down Converter

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RT5797A 数据手册

RT5797A

3A, 1MHz, 6V CMCOT Synchronous Step-Down Converter

General Description

Features

⚫ Efficiency Up to 95%

The RT5797A is a high efficiency synchronous step-

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

2.7V to 6V and provides an adjustable regulated output

voltage from 0.6V to 3.4V while delivering up to 3A of

output current.

⚫ R

100m HS / 70m LS

DS(ON)

⚫ V Range 2.7V to 6V

⚫ V

0.6V with 1% Accuracy at 25C

REF

⚫ CMCOT™ Control Loop Design for Best

Transient Response, Robust Loop Stability with

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. The RT5797A is available in the WDFN-8L

2x2 and WDFN-8SL 2x2 packages.

Low-ESR (MLCC) C

OUT

⚫ Soft-Start 1.2ms

⚫ Power Saving in Light Load

Applications

⚫ STB, Cable Modem, & xDSL Platforms

⚫ LCD TV Power Supply & Metering Platforms

⚫ General Purpose Point of Load (POL)

The recommended junction temperature range is −40C

to 125C, and the ambient temperature range is −40C

to 85C.

Ordering Information

RT5797A

Package Type

QW : WDFN-8L 2x2 (W-Type)

QWA : WDFN-8SL 2x2 (W-Type)

(Exposed Pad-Option 2)

Lead Plating System

G : Richtek Green Policy Compliant

Lead Plating System

G : Richtek Green Policy Compliant

UVP Option

H : Hiccup

L : Latched-Off

UVP Option

H : Hiccup

Note:

Richtek products are Richtek Green Policy compliant

and compatible with the current requirements of

IPC/JEDEC J-STD-020.

Simplified Application Circuit

RT5797A

OUT

VIN

OUT

SGND PGND

is a registered trademark of Richtek Technology Corporation.

DS5797A-12

December 2023

www.richtek.com

12 3 4 5 6 7...24

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