高集成度无 VCC 电容降压型恒压芯片

BP8521C 是一款高集成度无 VCC 电容的非隔离降压型恒压驱动芯片。适用于 85Vac~265Vac 全电压输入的非隔离电源。BP8521C 芯片内部集成 550V 功率开关和电流采样，以及续流二极管，采用电压电流控制技术，不需要外部 VCC 电容和环路补偿电容，即可实现优异的恒压特性，极大的节约了系统成本和体积。 • 无 VCC 电容\n• 低待机功耗 <50mW\n• 固定 3.3V 输出电压\n• 内部集成550V功率管\n• 集成高压启动和供电电路\n• 减小音频噪声的降幅调制技术\n• 改善EMI的抖频技术\n• 内置软启动\n• 保护功能\n• 过载保护\n• 短路保护\n• 过温保护\n• 逐周期限流;

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Infrared remote control transmitter RC5

GENERAL DESCRIPTION The PCA8521 can be used in infrared remote control transmitters. It generates output pulses, in accordance with the RC5 protocol, when a key is pressed. The IC does not contain a software programmable processor. However, it does contain a ROM in which the codes that have to

文件：100.51 Kbytes 页数：20 Pages

PHI

PHI

Infrared remote control transmitter RC5

GENERAL DESCRIPTION The PCA8521 can be used in infrared remote control transmitters. It generates output pulses, in accordance with the RC5 protocol, when a key is pressed. The IC does not contain a software programmable processor. However, it does contain a ROM in which the codes that have to

文件：100.51 Kbytes 页数：20 Pages

PHI

PHI

Infrared remote control transmitter RC5

GENERAL DESCRIPTION The PCA8521 can be used in infrared remote control transmitters. It generates output pulses, in accordance with the RC5 protocol, when a key is pressed. The IC does not contain a software programmable processor. However, it does contain a ROM in which the codes that have to

文件：100.51 Kbytes 页数：20 Pages

PHI

PHI