ACT4072 datasheet(1/10 Pages) ACTIVE-SEMI

Part #	ACT4072

Description	Wide Input 2A Step Down Converter

PDF	10 Pages

Scroll/Zoom	100%

Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

Direct Link	http://www.active-semi.com

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1 / 10 page

Innovative Products. Active Solutions.

- 1 -

www.active-semi.com

 2A Output Current

 Up to 95% Efficiency

 Up to 30V Input Range

 6µA Shutdown Supply Current

 400kHz Switching Frequency

 Adjustable Output Voltage

 Cycle-by-Cycle Current Limit Protection

 Thermal Shutdown Protection

 Frequency FoldBack at Short Circuit

 Stability with Wide Range of Capacitors,

Including Low ESR Ceramic Capacitors

 SOP-8 Package

The ACT4072 is a current-mode step-down

DC/DC converter that generates up to 2A output

current at 400kHz switching frequency. The

device

utilizes

Active-Semi’s

proprietary

ISOBCD30 process for operation with input

voltage up to 30V.

Consuming only 6µA in shutdown mode, the

ACT4072 is highly efficient with peak efficiency at

95% when in operation. Protection features

include

cycle-by-cycle

current

limit,

thermal

shutdown, and frequency foldback at short circuit.

The ACT4072 is available in SOP-8 package and

requires very few external devices for operation.

GENERAL DESCRIPTION

TYPICAL APPLICATION CIRCUIT

 TFT LCD Monitors or Televisions and HDTV

 Portable DVD Players

 Car-Powered or Battery-Powered Equipment

 Set-Top Boxes

 Telecom Power Supplies

 DSL and Cable Modems and Routers

FEATURES

APPLICATIONS

ACT4072

Rev 1, 12/2006

Wide Input 2A Step Down Converter

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ACT4072 Datasheet(PDF) 1 Page - Active-Semi, Inc

ACT4072 Datasheet(HTML) 1 Page - Active-Semi, Inc

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