Datasheet > RT6372B

RT6372B

更新时间： 2024-04-09 18:58:43

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
25页	1444K
描述
17V Input, 2A, ACOT? Buck Converter with Both FETs OC Protection

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RT6372B 数据手册

RT6372A/B

17V Input, 2A, ACOT^®Buck Converter with Both FETs OC

Protection

General Description

Features

The RT6372A/B is

simple, easy-to-use, 2A

 2A Converter Integrated 140m and 84m FETs

 Input Supply Voltage Range : 4.5V to 17V

 Output Voltage Range : 0.6V to 7V

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

 Ultrafast Transient Response

 No Needs for External Compensations

 Optimized for Low-ESR Ceramic Output

Capacitors

synchronous step-down DC-DC converter with an input

supply voltage range of 4.5V to 17V. The device

possesses an accurate reference voltage and

integrates low R_DS(ON)power MOSFETs to achieve

high efficiency.

The RT6372A/B adopts Advanced Constant On-Time

(ACOT^®) control architecture to provide an ultrafast

transient response with few external components and

to operate in nearly constant switching frequency over

the line, load, and output voltage range. The RT6372A

operates in automatic PSM that maintains high

efficiency during light load operation. The RT6372B

operates in Forced PWM that helps meet tight voltage

regulation accuracy requirements.

 High Accuracy Feedback Reference Voltage : Typ.

 1%

 Optional for Operation Modes :

 RT6372A : Power Saving Mode (PSM)

 RT6372B : Forced PWM Mode

 Fixed Switching Frequency : 1.4MHz

 Enable Control and Internally Fixed Soft-Start

with typ. 1ms

The RT6372A/B senses both FETs current for a robust

over-current protection (OCP). The device features

cycle-by-cycle current limit protection to prevent the

device from the catastrophic damage in output short

circuit, over-current or inductor saturation conditions. A

built-in soft-start function prevents inrush current during

start-up. The device also includes input under-voltage

lockout, output under-voltage protection, and

over-temperature protection (OTP) to provide safe and

smooth operation in all operating conditions.

 Input Under-Voltage Lockout (UVLO)

 Protection Function

 Output Under-Voltage Protection (UVP) with

Hiccup Mode

 High- / Low-side MOSFET OCP and OTP

Function

 RoHS Compliant and Halogen Free

Simplified Application Circuit

BOOT

RT6372A/B

(Optional)

VIN

BOOT

OUT

Enable

FB1

GND

FB2

is a registered trademark of Richtek Technology Corporation.

DS6372A/B-00 August 2021

www.richtek.com

12 3 4 5 6 7...25

中文翻译

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与RT6372B相关器件

型号	品牌	获取价格	描述	数据表
RT6373A	RICHTEK	获取价格	17V Input, 3A, ACOT? Buck Converter with Both FETs OC Protection
RT6373B	RICHTEK	获取价格	17V Input, 3A, ACOT? Buck Converter with Both FETs OC Protection
RT-65	MEANWELL	获取价格	65W Triple Output Switching Power Supply
RT-65	ASTRODYNE	获取价格	65W Triple Output Switching Power Supply
RT-65_10	MEANWELL	获取价格	65W Triple Output Switching Power Supply
RT-65_11	MEANWELL	获取价格	65W Triple Output Switching Power Supply
RT6515	RICHTEK	获取价格	10-Bit Programmable Gamma Reference for TFT-LCD Panel
RT6541A	RICHTEK	获取价格	暂无描述
RT6541D	RICHTEK	获取价格	High Efficiency Single Synchronous Buck PWM Controller
RT6541E	RICHTEK	获取价格	High Efficiency Single Synchronous Buck PWM Controller (Only for FP7)

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