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TOP271VG 数据手册 - Power Integrations（帕沃英蒂格盛）
制造商:
Power Integrations（帕沃英蒂格盛）
分类:
AC-DC转换器
封装:
SDIP-12
描述:
TOPSwitch-JX 系列离线交流-直流转换器Power Integrations TOPSwitch-JX 系列可为实惠的离线交流-直流转换器设计提供单一封装解决方案。 这些设备将高电压功率 MOSFET 和切换电流源、多模式 PWM 控制器、振荡器、全面保护和控制电路集成到紧凑型单片封装中。 该系列包括通孔和 SMT 安装选项，功率额定值高达 177W。 在整个负载范围内节能；265 V 交流时的空载功率为 多模式 PWM 控制可在所有负载情况下最大程度提高效率 准确的可编程电流限制 频率抖动减少了 EMI 滤波成本 完全集成的软启动，用于最小启动应力 725V 额定功率 MOSFET 出现过载故障期间，自动重启将提供的功率限制到 输出过电压、过电流和短路保护 准确的热关闭，带长时间滞后 **封装选项：** eDIP-12 封装，带薄型水平方向，用于超薄设计 eSIP-7C 封装，带垂直方向，用于最小印刷电路板体积 eSOP-12 薄型 SMT 封装，用于超薄设计 ### 交流-直流转换器，Power Integrations
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TOP271VG数据手册
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TOP264-271
TOPSwitch-JX Family
www.powerint.com August 2012
Integrated Off-Line Switcher with EcoSmart
™
Technology
for Highly Efcient Power Supplies
™
This Product is Covered by Patents and/or Pending Patent Applications.
Product Highlights
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
• Accurate programmable current limit
• Optimized line feed-forward for line ripple rejection
• Frequency jittering reduces EMI filter cost
• Fully integrated soft-start for minimum start-up stress
• 725 V rated MOSFET
• Simplifies meeting design derating requirements
Extensive Protection Features
• Auto-restart limits power delivery to <3% during overload faults
• Output short-circuit protection (SCP)
• Output over-current protection (OCP)
• Output overload protection (OPP)
• Output overvoltage protection (OVP)
• User programmable for hysteretic/latching shutdown
• Simple fast AC reset
• Primary or secondary sensed
• Line undervoltage (UV) detection prevents turn-off glitches
• Line overvoltage (OV) shutdown extends line surge withstand
• Accurate thermal shutdown with large hysteresis (OTP)
Advanced Package Options
• eDIP
™
-12 package:
• 43 W / 117 W universal input power output capability with
PCB / metal heat sink
• Low profile horizontal orientation for ultra-slim designs
• Heat transfer to both PCB and heat sink
• Optional external heat sink provides thermal impedance
equivalent to a TO-220
• eSIP
™
-7C package:
• 177 W universal input output power capability
• Vertical orientation for minimum PCB footprint
• Simple heat sink mounting using clip provides thermal
impedance equivalent to a TO-220
• eSOP
™
-12 package:
• 66 W universal input output power capability
• Low profile surface mounted for ultra-slim designs
• Heat transfer to PCB via exposed pad and SOURCE pins
• Supports wave or reflow soldering
• Extended creepage to DRAIN pin
• Heat sink is connected to SOURCE for low EMI
Figure 1. Typical Flyback Application.
Figure 2. Package Options.
Description
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.
Typical Applications
• Notebook or laptop adapter
• Generic adapter
• Printer
• LCD monitor
• Set-top box
• PC or LCD TV standby
• Audio amplifier
Output Power Ratings
See next page.
+
-
eSOP-12B (K Package)
eDIP-12B (V Package)
eSIP-7C (E Package)
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