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CE8400 - 1.1A 1.2MHz Synchronous Boost Converter

Description

Standard Output Voltage e.g.3.3V=②:3, ③:3 Adj=②:, ③: Package：SOT23-6 V1.2 1(19) 1.1A 1.2MHz Synchronous Boost Converter CE8400 Series

Table1.

Switch Pin.

Features

  • : z Up to 96% Efficiency z Delivers 100mA@3.3V from Single AA Cell z Delivers 300mA@5V from Two AA Cells z Delivers 600mA@5V from Single Li Cell z Maintains High Efficiency Over the Output Current Range for Improved Battery Life z Low Voltage Start-Up: 0.85V z Continuous Switching at Light Loads z Internal Synchronous Rectifier z Current Mode Control with Internal Compensation z 1.2MHz Fixed Frequency Switching z Input Range: 0.9V to5V z Output Range: 2.5V to 4.5V (Up to 5V with Schottky) z Logi.

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Datasheet Details

Part number CE8400
Manufacturer Chipower
File Size 535.94 KB
Description 1.1A 1.2MHz Synchronous Boost Converter
Datasheet download datasheet CE8400 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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1.1A 1.2MHz Synchronous Boost Converter CE8400 Series „ INTRODUCTION: The CE8400 devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency, which contains an internal NMOS switch and PMOS synchronous rectifier. The maximum peak current in the boost switch is typically limited to a value of 1.1A. A switching frequency of 1.2MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM design is internally compensated, reducing external parts count.
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