PowerInt TOP267VG 36.3W LCD监视器电源解决方案
PowerInt 公司的TOP267VG是TOPSwitch-JX系列产品,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,故障保护以及其它控制电路.主要用在反激AC/DC转换器.本文介绍了TOPSwitch-JX系列产品主要特性, 功能方框图, 高效19V 65W和12V 30W通用输入反激电路图,以及采用TOPSwitchTM-JX TOP267VG的薄型36.3W LCD监视器电源主要特性, 电源指标,电路图, PCB布局图和所用材料清单(BOM).
TOP264-271 TOPSwitch-JX Family
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.
TOP264-271产品亮点:
EcoSmart® - Energy Efficient
• 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
• Accurate programmable current limit
• Optimized line feed-forward for line ripple rejection
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