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AT1395

Preliminary Product Information

5-Channel DC-DC Converter for DSC

Features

鈥?Low start-up power supply voltage :1.4V(CH5)

鈥?Wide supply voltage range from 2.5V to 7V

(CH1~5)

鈥?High speed operation is possible: Maximum

1 MHz

鈥?Supports for up,down, flyback and up/down

SEPIC conversion

鈥?Supports for inverting conversion (CH4)

鈥?Synchronized rectification on CH1,CH2

鈥?Selectable P-Ch/N-CH MOSFETdriver

鈥?Built-in On/Off function

鈥?Built-in Short-Circuit Protection.

General Description

The AT1395 is a 5-channel PWM DC/DC control

IC for low voltage applications with a soft start

function and short circuit detection function. This

IC is ideal for up conversion, down conversion,

inverting conversion (CH4 only) and up/down

conversion (using a step-up/step-down SEPIC or

Zeta system with free input and output settings). 5

channels can be built in the LQFP48 package, each

channel be controlled, and soft-start.

The AT1395 include one comparator to generate

low-battery warning outputs. It also contains two

high efficiency topology by using synchronous

rectification PWM (It can be disable by floating

OUT1_2,OUT2_2.)

Applications

鈥?Digital Cameras

鈥?CCD Imaging Devices

鈥?Camcorders

Pin Assignment

Ordering Information

Part number

AT1395F

Package

LQFP48

Marking

AT1395F

Aimtron reserves the right without notice to change this circuitry and specifications.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

WWW:

http://www.aimtron.com.tw

Fax: 886-3-563-0879

Email:

service@aimtron.com.tw

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