ACT365 데이터 시트보기 (PDF) - Active-Semi, Inc

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ACT365

High Performance ActivePSR™ Primary Switching Regulator

Active-Semi, Inc 

ACT365

Rev 2, 10-Jan-13

High Performance ActivePSRTM Primary Switching Regulator

FEATURES

• Patented Primary Side Regulation

Technology

• No Opto-Coupler

• Suitable Operation Frequency up to 85kHZ

• Best-in-Class Constant Voltage Accuracy

• Proprietary Fast Startup with Big Capacitive

Load

• Built-in Soft-Start Circuit

• Integrated Line and Primary Inductance

Compensation

• Integrated Programmable Output Cord

Resistance Compensation

• Line Under-Voltage, Output Over-Voltage,

Output Short-Circuit and Over-Temperature

Protection

• Complies with all Global Energy Efficiency

and CEC Average Efficiency Standards

• Dedicate Adapter Application from 6W to

12W

The ACT365 ActivePSRTM is optimized for high

performance, cost-sensitive applications, and

utilizes Active-Semi’s proprietary primary-side

feedback architecture to provide accurate constant

voltage, constant current (CV/CC) regulation

without the need of an opto-coupler or reference

device. Integrated line and primary inductance

compensation circuitry provides accurate constant

current operation despite wide variations in line

voltage and primary inductance. Integrated output

cord resistance compensation further enhances

output accuracy. The ACT365 achieves excellent

regulation and transient response, yet requires less

than 150mW of standby power.

The ACT365 is optimized for compact size 6W to

12W adapter applications. It is available in SOP-8

package.

Figure 1:

Simplified Application Circuit

APPLICATIONS

• RCC Adapter Replacements

• Linear Adapter Replacements

• Standby and Auxiliary Supplies

GENERAL DESCRIPTION

The ACT365 belongs to the high performance

patented ActivePSRTM Family of Universal-input

AC/DC off-line controllers for adapter applications.

It is designed for flyback topology working in

discontinuous conduction mode (DCM). The

ACT365 meets all of the global energy efficiency

regulations (CEC, European Blue Angel, and US

Energy Star standards) while using very few

external components.

The ACT365 ensures safe operation with complete

protection against all fault conditions. Built-in

protection circuitry is provided for output short-

circuit, output over-voltage, line under-voltage, and

over temperature conditions.

Table 1:

Output Power Table

PART

NUMBER

85-265VAC

TYPICAL

APPLICATION

Po MAX

ACT365SH-T

(SOP-8)

5V/2.1A

12W

Innovative PowerTM

-1-

www.active-semi.com

Copyright © 2013 Active-Semi, Inc.

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