PMP30495
58V-255V 3 相交流输入、多输出反激式参考设计
PMP30495
概述
This offline flyback reference design uses the LM5021 controller to generate 3 isolated outputs (12 V at 705 mA, 12 V at 733 mA, 35 V at 25 mA) from an 3 phase AC input (58 VAC - 255 VAC). The DC input voltage range is between 100 V and 623 V. The design can provide 18-W output power. The LM5021 uses an optical coupler to regulate the 12-V output and to improve transient response. The controller operates with a fixed frequency of 100kHz.
特性
- 3 phase input, which allows a very wide input voltage range
- Achieves over 85% efficiency at high line
- Optocoupled feedback for constant voltage regulation
- Output overvoltage protection with latch, in case of loop opto fail
输出电压选项 | PMP30495.1 | PMP30495.2 | PMP30495.3 |
---|---|---|---|
Vin (Min) (V) | 100 | 100 | 100 |
Vin (Max) (V) | 623 | 623 | 623 |
Vout (Nom) (V) | 12 | 12 | 35 |
Iout (Max) (A) | .705 | .733 | .025 |
Output Power (W) | 8.46 | 8.796 | .875 |
Isolated/Non-Isolated | Isolated | Isolated | Isolated |
Input Type | DC | DC | DC |
Topology | Flyback- CCM | Flyback- CCM | Flyback- CCM |
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类型 | 标题 | 下载最新的英文版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 测试报告 | 58-VAC - 255-VAC 3-Phase Input Multiple Output Flyback Reference Design | 2018年 12月 21日 |