Datasheet > ACT337SH-T

ACT337SH-T

更新时间： 2024-11-20 08:15:11

品牌	Logo	应用领域
技领 - ACTIVE-SEMI		稳压器开关
页数	文件大小	规格书
3页	144K
描述
High Performance ActivePSR? Primary Switching Regulator

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ACT337SH-T 数据手册

ACT337

Product Brief, 15-Apr-11

High Performance ActivePSR^TMPrimary Switching Regulator

utilizes Active-Semi’s proprietary primary-side

feedback architecture to provide accurate constant

FEATURES

• Ultra Low Standby Power < 30mW

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 ACT337 achieves excellent

regulation and transient response, yet requires less

than 30mW of standby power.

• Patented Primary Side Regulation

Technology

• Suitable Operation Frequency up to 85kHZ

• Proprietary Fast Startup Circuit

• Integrated Line and Primary Inductance

Compensation

• Integrated Programmable Output Cord

Resistance Compensation

The ACT337 is optimized for compact size 7W to

12W charger applications. It is available in space-

saving 8 pin SOP-8 package.

• Line Under-Voltage, Output Over-Voltage,

Output Short-Circuit and Over-Temperature

Protection

Figure 1:

• Complies with all Global Energy Efficiency

Simplified Application Circuit

and CEC Average Efficiency Standards

• Adjustable Power from 7W to 12W

• Minimum External Components

• SOP-8 Package

APPLICATIONS

• RCC Adapter Replacements

• Linear Adapter Replacements

• Standby and Auxiliary Supplies

GENERAL DESCRIPTION

The ACT337 belongs to the high performance

patented ActivePSR^TMFamily of Universal-input

AC/DC off-line controllers for battery charger and

adapter applications. It is designed for flyback

topology working in discontinuous conduction mode

(DCM). The ACT337 meets all of the global energy

efficiency regulations (CEC, European Blue Angel,

and US Energy Star standards) while using very

few external components.

The ACT337 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.

The ACT337 ActivePSR^TMis optimized for high

performance, cost-sensitive applications, and

Innovative Power^TM

- 1 -

www.active-semi.com

ActivePSR^TMis a trademark of Active-Semi.

12 3

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与ACT337SH-T相关器件

型号	品牌	获取价格	描述	数据表
ACT3492	AEROFLEX	获取价格	MIL-STD-1553B Remote Terminal, BUS Controller, or Passive Monitor Hybrid with Status Word
ACT3492SERIES	AEROFLEX	获取价格	MIL-STD-1553B Remote Terminal. BUS Controller. or Passive Monitor Hybrid with Status Word
ACT355	ETC	获取价格
ACT355AUC-T	ETC	获取价格	ACT355AUC-T PDF资料
ACT361	ACTIVE-SEMI	获取价格	High Performance ActivePSR? Primary Switching Regulator
ACT361_12	ACTIVE-SEMI	获取价格	High Performance ActivePSR Primary Switching Regulator
ACT361US-T	ACTIVE-SEMI	获取价格	High Performance ActivePSR? Primary Switching Regulator
ACT364	ACTIVE-SEMI	获取价格	High Performance ActivePSR? Primary Switching Regulator
ACT364_12	ACTIVE-SEMI	获取价格	High Performance ActivePSR Primary Switching Regulator
ACT364US-T	ACTIVE-SEMI	获取价格	High Performance ActivePSR? Primary Switching Regulator

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