Part Details for LM5026 by National Semiconductor Corporation
Overview of LM5026 by National Semiconductor Corporation
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Part Details for LM5026
LM5026 CAD Models
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Reference Designs related to LM5026
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Wide Input Active Clamp Forward Converter with Isolated Output
PMP7892 is an isolated active clamp forward converter capable of 42W output power. This design uses the LM5026 active clamp current-mode controller. Output voltage regulation is maintained using an LMV431 shunt regulator and opto-coupler feedback. Schottky rectifiers allow for holdup of 10ms using the stored charge of the output capacitors. The isolation voltage is 2250 VDC meeting basic insulation requirements.
- TIPD178 窗口比较器参考设计
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PMP9563 PoE 4 类高效有源钳位正向转换器
This reference design is a Power Over Ethernet (POE) active clamp forward converter. It features the TPS23754: which is a combination of a POE Powered Device (PD) controller and PWM controller. CSD19534Q5A FETs are used for high efficiency synchronous rectification. The input accepts standard Type 2 POE voltage of 42.5VDC-57VDC or a 36VDC-57VDC auxiliary voltage. The output power is an isolated 12VDC at 1.9A with PoE input or 12VDC at 2.5A with auxiliary input.
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30W Active Clamp Forward Converter Reference Design
PMP11478 is an isolated active clamp forward converter accepts a voltage range of 24-36V and delivers a 12V output at 2.5A. This design uses the LM5026 active clamp current-mode controller. Output voltage regulation is maintained using an LMV431 shunt regulator and opto-coupler feedback. Schottky rectifiers allow for holdup of 2.5ms using the stored charge of the output capacitors. The isolation voltage is 2250 VDC meeting basic insulation requirements.
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High efficiency 12-V: 5-A active clamp forward with 9-V to 60-V wide input range reference design
This forward converter reference design was designed for an isolated 60W intermediate bus voltage rail 12V. It operates in a wide input range 9V to 60V. It features LM5026—100V active clamp current mode PWM controller. A self-driven secondary rectifier with UCC27511 4A/8A driver was used for high efficiency. It is good for isolated supplies where high efficiency and hiccup protection are needed.
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12Vin+/-10%: 12Vout @ 1A Active Reset Flyback Converter Reference Design
The PMP7895 is an active reset flyback converter reference design. The design accepts an input voltage of 12V+/-10%: and outputs 12V: capable of providing 1A of current to the load.
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PMP30198 具有 108V 至 305V 交流输入的 5.2W 初级侧调节反激式转换器参考设计
PMP30198 参考设计将 UCC28910 反激式控制器与集成型 MOSFET 配合使用，以通过一个交流输入生成两个隔离式输出 (18V@0.25A/18V@0.04A)。UCC28910 执行初级侧调节，因此无需光耦合器，同时可减少组件总数。
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