Datasheet > ACE7C128RT

ACE7C128RT

更新时间： 2025-07-18 18:53:55

品牌	Logo	应用领域
ACE		/
页数	文件大小	规格书
4页	391K
描述
Shake Mode : Step down; Shake Frequency : 2MHz; Vin : 2.7~4.5V; Vout : 5V; Efficiency : 81%; Accuracy : ±4%; Iout : 100mA; Package : SOT-23-6TSOT-23-6;

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ACE7C128RT 数据手册

ACE7C128RT

Low Noise, Charge Pump DC-DC Converter

Description

The ACE7C128RT is an inductor-less charge pump DC-DC converters. It produces a fixed 5V output

voltage from a VIN (range from 2.7V to 4.5V). The device has been designed for low noise and high

efficiency application, the maximum output current is 100mA. The free running 2MHz charge pump keeps

the chip operation from interfering with hypersensitive IF frequency channel. Low external parts count

(one flying capacitor and two small bypass capacitors at VIN and VOUT) makes the ACE7C128RT ideally

suited for small, battery-powered applications. High switching frequency enables the use of small ceramic,

and reduces both output and input ripple.

The ACE7C128RT has thermal shutdown capability and can survive a continuous short circuit from VOUT

to GND. Built-in soft-start circuitry prevents excessive inrush current during start-up. A low current

shutdown feature disconnects the load from VIN and reduces quiescent current to less than 1µA.

Features



Inductorless charge pump DC-DC Converter

Operating Temperature Range: -40°C to 85°C

Input voltage range: 2.7V~5.5V

Regulated 5V ±4% Output

Maximum Output Current: 100mA

2MHz Free Running Switching Frequency

Soft-Start Reduces Inrush Current

Over Temperature/ Short-Circuit Protection

SOT-23-6 and TSOT-23-6 Packages

Application



PCMCIA Local 5V Supplies

Local 3V to 5V Conversion

White LED Backlighting

Smart Card Readers

VER 1.1

12 3 4

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