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RT5753AHGQWA WDFN-8L 2x2 立锜RICHTEK降压转换器芯片

3A, 1.2MHz, 6V Synchronous Step-Down Converter In WDFN-8L 2x2

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产品介绍

Product index

The RT5753 is a simple, easy-to-use, 3A synchronous step-down DC-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 RDS(ON) power MOSFETs to achieve high efficiency in WDFN-8L 2x2 and WDFN-8SL 2x2 packages.

The RT5753 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 RT5753A/C/E/F operates in automatic PSM that maintains high efficiency during light load operation. The RT5753B/D operates in Forced PWM that helps to meet tight voltage regulation accuracy requirements.

The RT5753 senses both FETs current for a robust overcurrent 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 undervoltage lockout, output undervoltage protection,overvoltage protection (RT5753AL/BL/CL/DL/EL/FL) and over-temperature protection to provide safe and smooth operation in all operating conditions.

订购信息

ordering information

器件类目

产品型号

封装描述

环境温度

是否在产

应用

丝印

降压IC

RT5753AHGQWA

WDFN-8L 2x2

-55~150

是

手机手持设备、电缆调制解调器、电源/存储

5KP

简化应用电路

Simplified Application Circuit

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产品特性

Product characteristics

Input Voltage Range from 2.5V to 6V
1.2MHz Typical Switching Frequency
Internal Reference Voltage with 1% Accuracy
RoHS Compliant and Halogen Free
Power Saving Mode for Light Loads (RT5753A/C/E/F)

Power Good Indicator
Both FETs Overcurrent Protection
Input Undervoltage Lockout Protection
Negative Overcurrent Protection (RT5753B/D)
Internal Reference Voltage with 1% Accuracy

应用范围

Scope of application

: UPS电源

: 手机充电器

: 电源适配器

: 多端口墙壁充电器

公司优势

Company advantage

: 正

原装现货，技术选型

: 快

云仓现货，快速配送

: 全

品类齐全，性能优良

: 省

工厂直销，样品申请

技术团队

Technical team

技术团队

通盛仓库

Tongsheng warehouse

通盛仓库

荣誉资质

Honorary qualification

荣誉资质

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contact us

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