Datasheet > RT5752B

RT5752B

更新时间： 2024-11-06 17:00:43

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
32页	794K
描述
2A, 1.2MHz, 6V Synchronous Step-Down Converter inTSOT-23-5/TSOT-23-6 and WDFN-6L 2x2

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RT5752B 数据手册

RT5752

2A, 1.2MHz, 6V Synchronous Step-Down Converter in

TSOT-23-5/TSOT-23-6 and WDFN-6L 2x2

General Description

Features

 Input Voltage Range from 2.5V to 6V

The RT5752 is a simple, easy-to-use, 2A synchronous

step-downDC-DC converter with an input supply voltage

range from 2.5V to 6V. The device builds in an accurate

0.6V reference voltage and integrates low R_DS(ON)power

MOSFETs to achieve high efficiency in TSOT-23-5,

TSOT-23-6 and WDFN-6L 2x2 packages.

 Integrated 100mΩ and 70mΩ FETs

 100% Duty Cycle for Lowest Dropout

 Internal Reference Voltage with 1% Accuracy

 1.2MHz Typical Switching Frequency

 Power Saving Mode for Light Loads (RT5752A)

 Advanced Constant On-Time (ACOT ) Control

The RT5752 adoptsAdvanced Constant On-Time (ACOT )

 Internal Soft Startup (1.5ms)

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 RT5752A operates in

automatic PSM that maintains high efficiency during light

load operation. The RT5752B operates in Forced PWM

that helps to meet tight voltage regulation accuracy

requirements.

 Enable Control Input

 Power Good Indicator

 Negative Over-Current Protection (RT5752B)

 Fully Protection with UVLO, OVP, UVP, Cycle-by-

Cycle Current Limit and OTP

 RoHS Compliant and Halogen Free

Applications

 Mobile Phones and HandheldDevices

The RT5752 senses both FETs current for a robust over-

current protection. The device features cycle-by-cycle

current limit protection which prevents the device from

the catastrophic damage in output short circuit, over current

or inductor saturation.Abuilt-in soft-start function prevents

inrush current during start-up. The device also includes

input under-voltage lockout, output under-voltage

protection, over-voltage protection (RT5752AL/BL) and

over-temperature protection to provide safe and smooth

operation in all operating conditions.

 STB, Cable Modem, and xDSL Platforms

 WLANASIC Power / Storage (SSDand HDD)

 General Purpose for POL LV Buck Converters

Simplified Application Circuit

RT5752

VIN

OUT

FB1

OUT

Chip Enable

FB2

GND

is a registered trademark of Richtek Technology Corporation.

DS5752-03 November 2023

www.richtek.com

12 3 4 5 6 7...32

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与RT5752B相关器件

型号	品牌	获取价格	描述	数据表
RT5753A	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5753B	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5753C	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5753D	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5753EL	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5753FL	RICHTEK	获取价格	3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2
RT5757A	RICHTEK	获取价格	7A, 6.5V, 1MHz, ACOT? Synchronous Step-Down Converter with I2C Interface
RT5758	RICHTEK	获取价格	9A, 6.5V, 1MHz Synchronous Step-Down Converter
RT5759	RICHTEK	获取价格	9A, 6.5V, 1MHz, ACOT? Synchronous Step-Down Converter with I2C Interface
RT5759A	RICHTEK	获取价格	9A, 6.5V, 1MHz, ACOT? Synchronous Step-Down Converter with I2C Interface

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