LED驱动-非隔离驱动+PFC

M8917 是一款带有源功率因数校正的高精度降压 型 LED 恒流控制芯片，适用于 85Vac-265Vac 全范 围输入电压的非隔离降压式 LED 恒流电源。M8917 集成有源功率因数校正电路，可以实现很高的功率 因数和很低的总谐波失真。由于工作在电感电流临 界连续模式，功率 MOS 管处于零电流开通状态，开 关损耗得以减小，同时电感的利用率也较高。M8917 内部集成 500V 功率 MOSFET,只需要很少的 外围器件，即可实现优异的 有源功率因数校正，高PF值，低THD\n内置500V功率MOSFET\n高达95%的系统效率\n±3% LED输出电流精度\n优异的线电压调整率和负载调整率\n电感电流临界连续模式\n超低(33uA)启动电流\n超低(300uA)工作电流\nLED短路/开路保护\n电流采样电阻开路保护\n逐周期电流限流\n芯片供电欠压保护\n自动重启功能\n过热调节功能\n采用SOP-7/DIP-7封装\n• ;

Mojay

茂捷半导体

SMT POWER INDUCTORS

文件：131.32 Kbytes 页数：2 Pages

PULSE

8-Bit Micro-Controller

文件：124.71 Kbytes 页数：11 Pages

RAIO

瑞佑科技

LED SPACER MOUNTS

[KEYSTONE] “UNIVERSAL” FOR T-1 & T-1 3/4 • Unique design separates leads and retains Tri-Lead and Bi-Lead components. • Designed for PC board mounting of Tri-Lead and Bi-Lead T-1 and T-1 3/4 LEDS • Provides height control, lead retention and stability. • Also suitable for mounting lamps

文件：327.01 Kbytes 页数：1 Pages

ETCList of Unclassifed Manufacturers

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LED SPACER MOUNTS

[KEYSTONE] “UNIVERSAL” FOR T-1 & T-1 3/4 • Unique design separates leads and retains Tri-Lead and Bi-Lead components. • Designed for PC board mounting of Tri-Lead and Bi-Lead T-1 and T-1 3/4 LEDS • Provides height control, lead retention and stability. • Also suitable for mounting lamps

文件：114.98 Kbytes 页数：2 Pages

ETCList of Unclassifed Manufacturers

未分类制造商

LED SPACER MOUNTS

[KEYSTONE] “UNIVERSAL” FOR T-1 & T-1 3/4 • Unique design separates leads and retains Tri-Lead and Bi-Lead components. • Designed for PC board mounting of Tri-Lead and Bi-Lead T-1 and T-1 3/4 LEDS • Provides height control, lead retention and stability. • Also suitable for mounting lamps

文件：338.27 Kbytes 页数：1 Pages

ETCList of Unclassifed Manufacturers

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