Datasheet > AAT1401

AAT1401

更新时间： 2022-04-23 23:00:11

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AAT		/
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描述
FOUR-CHANNEL DIGITAL STILL CAMERA POWER SUPPLY

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AAT1401 数据手册

Advanced Analog Technology, Inc.

AAT1401

Details are subject to change without notice.

FOUR-CHANNEL DIGITAL STILL CAMERA POWER SUPPLY

FEATURES

GENERAL DESCRIPTION

z Complete PWM Power Control Circuitry

z Input Voltage Range: 3.0V to 6.5V (CH1~CH4)

z Low Start-Up Voltage: 1.4V (CH4)

z Separate On/Off Control for CH1~CH4

z Supports Synchronous Boost/Buck Rectification

(CH1)

The AAT1401 provides an integrated four channel

pulse-width-modulation (PWM) solution for the power

supply of DC-DC converter; this device offers system

engineer flexibility to tailor-make the power supply

circuitry for specific applications. Each channel contains

its own error amplifier, PWM comparator, dead-time

control (DTC) and output driver. The under-voltage

protection, oscillator, short circuit protection and voltage

reference circuit are the common features for the four

channels.

z Supports Synchronous Boost Rectification (CH4)

z Supports Boost/Buck Conversion (CH2)

z Supports Boost Conversion (CH3)

z Supports White LED Driver (CH3)

z Totem-Pole Output

z Short Circuit Protection

z Wide Operating Frequency: 100 kHz to 1MHz

z LQFP48 and VQFN40 Package

In addition to a boost conversion, AAT1401 also has two

synchronous rectification systems with alternatives of a

synchronous boost or buck on channel one (CH1) and a

boost or buck conversion on channel two (CH2).

APPLICATIONS

z Camcorders

z Digital Cameras

z CCD Imaging Devices

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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