Powerint TOP265KG DER275 30W高效电源解决方案

Powerint公司的DER275 30W高效电源解决方案是采用TOPSwitch-JX系列的TOP265KG，它集成了725V功率MOSFET，高压开关电流源，多模式PWM控制，振荡器，热关断电路，故障保护和其它控制电路。TOPSwitch-JX系列可提供10W-245W输出功率，265 VAC时无负载功耗低于100mW，具有多种扩展保护功能，主要用在笔记本电脑，通用适配器，打印机，LCD监视器，STB，PC或LCD TV待机和音频放大器。本文介绍了TOPSwitch-JX系列产品亮点，方框图，高效19V/65W和12V/30W的通用输入反激电源电路图，以及采用TOPSwitchTM-JX TOP265KG的高效30W电源参考设计主要指标，电路图，材料清单和PCB布局图。

TOPSwitch-JX cost effectively incorporates a 725 V power MOSFET, high-voltage switched current source, multi-mode PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.

TOPSwitch-JX系列产品亮点：

EcoSmart – Energy Efficient

• Ideal for applications from 10 W to 245 W

• Energy efficient over entire load range

• No-load consumption below 100 mW at 265 VAC

• Up to 750 mW standby output power for 1 W input at 230 VAC

High Design Flexibility for Low System Cost

• Multi-mode PWM control maximizes efficiency at all loads

• 132 kHz operation reduces transformer and power supply size

• 66 kHz option for highest efficiency requirements
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