ACT4524 datasheet(1/16 Pages) ACTIVE-SEMI

部件名	ACT4524

功能描述	40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection

PDF	16 Pages

Scroll/Zoom	100%

制造商	ACTIVE-SEMI [Active-Semi, Inc]

网页	http://www.active-semi.com

标志

1 / 16 page

Innovative Power

TM

- 1 -

www.active-semi.com

FEATURES

 40V Input Voltage Surge

 4.5V-36V operational Input Voltage

 Dual 5.1V Outputs with 1% Accuracy

 Up to 3.5A Output Current

 2.65A Constant Current Regulation for VOUT1

 1.2A Constant Current Regulation for VOUT2

 Hiccup Mode Protection at Output Short

 >90% Efficiency at Full Load

 <0.5mA Low Standby Input Current

 5.7V Output Over Voltage Protection

 Cord Voltage Drop Compensation

 Meet EN55022 Class B Radiated EMI Standard

 SOP-8EP Package

APPLICATIONS

 Car Charger

 Cigarette Lighter Adaptor (CLA)

 Rechargeable Portable Device

 CV/CC regulation DC/DC converter

GENERAL DESCRIPTION

ACT4524 is a wide input voltage, high efficiency

step-down DC/DC converter that operates in either

CV (Constant Output Voltage) mode or CC

(Constant Output Current) mode. ACT4524 has

separated output current limits for dual ports CLA

application. With the separated current limits, the

CLA can meet Apple’s MFI standard.

ACT4524 provides up to 3.5A output current at

125kHz switching frequency. ACT4524 utilizes

adaptive drive technique to achieve good EMI

performance while maintain 90% efficiency at full

load for mini size CLA designs.

ACT4524 also has built in hiccup mode output short

circuit protection. The average output current is

reduced to below 6mA when output is shorted to

ground. Other features include output over voltage

protection and thermal shutdown.

ACT4524 is available in a SOP-8EP package and

require very few external components for operation.

ACT4524

40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection

Rev 0, 28-Jul-15

Typical Application Circuit

Output VI Profile

类似零件编号 - ACT4524

制造商	部件名	数据表	功能描述
Active-Semi, Inc	ACT4524YH-T	1Mb / 16P	40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection Rev 1.1, 22-Feb-16
Active-Semi, Inc	ACT4524	1Mb / 16P	40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection Rev 1.1, 22-Feb-16

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类似说明 - ACT4524

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Sparkle Power Inc.	FSP200-63DL12V	48Kb / 1P	Output over voltage, short circuit, and over current protection
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