ACT4075 datasheet(1/10 Pages) ACTIVE-SEMI

部件名	ACT4075

功能描述	Wide Input 2.5A Step Down Converter

PDF	10 Pages

Scroll/Zoom	100%

制造商	ACTIVE-SEMI [Active-Semi, Inc]

网页	http://www.active-semi.com

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TYPICAL APPLICATION CIRCUIT

ACT4075

Rev PrA, 13-Aug-07

Advanced Product Information – All Information Subject to Change

Wide Input 2.5A Step Down Converter

FEATURES

 2.5A Output Current

 Up to 95% Efficiency

 4.5V to 32V Input Range

 6µA Shutdown Supply Current

 410kHz Switching Frequency

 Adjustable Output Voltage

 Cycle-by-Cycle Current Limit Protection

 Thermal Shutdown Protection

 Internal Soft Start Function

 Frequency Fold Back at Short Circuit

 Stability with Wide Range of Capacitors,

Including Low ESR Ceramic Capacitors

 SOP-8/EP (Exposed Pad) Package

APPLICATIONS

 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

GENERAL DESCRIPTION

The ACT4075 is a current-mode step-down DC/DC

converter that generates up to 2.5A output current

at 410kHz switching frequency. The device utilizes

Active-Semi’s proprietary ISOBCD30 process for

operation with input voltage up to 32V.

Consuming only 6μA in shutdown mode, the

ACT4075 is highly efficient with peak efficiency at

95% when in operation. Protection features include

cycle-by-cycle current limit, thermal shutdown, and

frequency fold back at short circuit. The device also

includes an internal soft start function to prevent

overshoot.

The ACT4075 is available in SOP-8/EP exposed

pad package and requires very few external de-

vices for operation.

类似零件编号 - ACT4075

制造商	部件名	数据表	功能描述
Active-Semi, Inc	ACT4070	590Kb / 10P	Wide Input 3A Step Down Converter Rev 0, 12/2006
	ACT4070	388Kb / 11P	Wide Input 3A Step Down Converter Rev 2, 16-Sep-11
	ACT4070B	303Kb / 9P	Wide Input 3A Step Down Converter Rev 0, 23-Apr-12
	ACT4070BYH	303Kb / 9P	Wide Input 3A Step Down Converter Rev 0, 23-Apr-12
	ACT4070BYH-T	303Kb / 9P	Wide Input 3A Step Down Converter Rev 0, 23-Apr-12

More results

类似说明 - ACT4075

制造商	部件名	数据表	功能描述
Active-Semi, Inc	ACT4070	590Kb / 10P	Wide Input 3A Step Down Converter Rev 0, 12/2006
	ACT4012A	345Kb / 10P	Wide Input 1.5A Step Down Converter Rev PrA, 21-Nov-07
	ACT4060	355Kb / 9P	Wide Input 2A Step Down Converter Rev8, 24-Jul-07
FOSLINK SEMICONDUCTOR C...	FSP3128	361Kb / 10P	WIDE INPUT 3A STEP-DOWN CONVERTER
FOSLINK SEMICONDUCTOR C...	FSP3129	368Kb / 10P	WIDE INPUT 2A STEP-DOWN CONVERTER
Active-Semi, Inc	ACT4060A	259Kb / 11P	Wide Input 2A Step Down Converter Rev 0, 28-Apr-09
Champion Microelectroni...	CM2500	223Kb / 11P	WIDE INPUT 2A STEP DOWN CONVERTER
Active-Semi, Inc	ACT4060A_0906	257Kb / 12P	Wide Input 2A Step Down Converter Rev 1, 25-Jun-09
	ACT4070	388Kb / 11P	Wide Input 3A Step Down Converter Rev 2, 16-Sep-11
	ACT4070B	303Kb / 9P	Wide Input 3A Step Down Converter Rev 0, 23-Apr-12