Datasheet > RT6236ALGQUF

RT6236ALGQUF

更新时间： 2024-11-12 22:58:19

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
22页	265K
描述
IC REG BUCK ADJ 6A SYNC

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中文翻译

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数据手册

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RT6236ALGQUF 数据手册

RT6236A/B

6A, 18V, 650kHz, ACOT^TMSynchronous Step-Down Converter

General Description

Features

^Fast Transient Response

The RT6236A/B is a high-performance 650kHz, 6Astep-

down regulator with internal power switches and

synchronous rectifiers. It features quick transient response

using its Advanced Constant On-Time (ACOT^TM) control

architecture that provides stable operation with small

ceramic output capacitors and without complicated

external compensation, among other benefits. The input

voltage range is from 4.5V to 18V and the output is

adjustable from 0.7V to 8V. The proprietaryACOT^TMcontrol

improves upon other fast response constant on-time

architectures, achieving nearly constant switching

frequency over line, load, and output voltage ranges. Since

there is no internal clock, response to transients is nearly

instantaneous and inductor current can ramp quickly to

maintain output regulation without large bulk output

capacitance. The RT6236A/B is stable with and optimized

for ceramic output capacitors. With internal 51mΩ switches

and 18mΩ synchronous rectifiers, the RT6236A/B displays

excellent efficiency and good behavior across a range of

applications, especially for low output voltages and low

duty cycles. Cycle-by-cycle current limit provides

protection against shorted outputs, input under-voltage

lock-out, externally-adjustable soft-start, output under- and

over-voltage protection, and thermal shutdown provide safe

and smooth operation in all operating conditions. The

RT6236A/B is available in the UQFN-13JL 2x3 (FC)

package, with exposed thermal pad.

^Advanced Constant On-Time (ACOT^TM) Control

^4.5V to 18V Input Voltage Range

^Adjustable Output Voltage from 0.7V to 8V

^6A Output Current

^51mΩ Internal High-Side N-MOSFET and 18mΩ

Internal Low-Side N-MOSFET

^Steady 650kHz Switching Frequency

^Up to 95% Efficiency

^Optimized for All Ceramic Capacitors

^Externally-Adjustable, Pre-Biased Compatible Soft-

Start

^Cycle-by-Cycle Current Limit

^Input Under-Voltage Lockout

^Output Over- and Under-Voltage Protection

^Power Good Output

^Externally-Adjustable, Pre-Biased Compatible Soft-

Start

^Thermal Shutdown

Applications

 Industrial and Commercial Low Power Systems

 Computer Peripherals

 LCDMonitors and TVs

 Green Electronics/Appliances

 Point of Load Regulation for High-Performance DSPs,

FPGAs, and ASICs

Simplified Application Circuit

RT6236A/B

VIN

OUT

BOOT

OUT

BOOT

PGOOD

PVCC

Enable

PVCC

GND

is a registered trademark of Richtek Technology Corporation.

DS6236A/B-02 August 2016

www.richtek.com

12 3 4 5 6 7...22

中文翻译

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与RT6236ALGQUF相关器件

型号	品牌	获取价格	描述	数据表
RT6236B	RICHTEK	获取价格	暂无描述
RT6236BHGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 6A SYNC
RT6236BLGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 6A SYNC
RT6237A	RICHTEK	获取价格	暂无描述
RT6237ALGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 7A SYNC
RT6237B	RICHTEK	获取价格	暂无描述
RT6237BHGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 7A SYNC
RT6237BLGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 7A SYNC
RT6238A	RICHTEK	获取价格	暂无描述
RT6238AHGQUF	RICHTEK	获取价格	IC REG BUCK ADJ 8A SYNC

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