隔离双绕组 PSR LED 恒流驱动芯片

WS9222X 是一款高精度原边反馈 LED 恒流驱动芯片，芯片工作在电感电流断续模式，适用于全范围输入电压反激式隔离 LED 恒流电源。\n\nWS9222X 芯片内部集成 650V 功率开关，采用原边反馈 和 JFET 高压供电技术，无需 VCC 电容和启动电阻，使其外围器件更简单，极大地节约了系统的成本和体积。\n\nWS9222X 芯片内带有高精度的电流取样电路，使得LED 输出电流精度达到±5%以内。芯片采用了特有的恒流控制方式，可以达到优异的线性调整率。\n\nWS9222X 提供了多重保护功能，包括：逐周期电流限制保护（OCP），LED 开路/短路保护，过温调节等。\n\ • 无 VCC 电容、无启动电阻\n• 集成 JFET 高压供电电路\n• 无需变压器辅助绕组检测和供电\n• 宽输入电源范围\n• LED 开路保护\n• LED 短路保护\n• 过温调节功能;

Winsemi

稳先微电子

Harmony XAC, Push button head, plastic, black, booted, operating travel 16 mm, -40?? 70 째C

文件：106.8 Kbytes 页数：2 Pages

SCHNEIDER

施耐德

QUAD INVERTING TRANSISTOR SWITCH

DESCRIPTION The L9222 monolithic quad transistor switch is designed for high current, high voltage switching applications. Each of the four switches is controlled by a logic input and all four are controlled by a common enable input. All inputs are TTL-compatible for direct connection to logic c

文件：91.01 Kbytes 页数：5 Pages

STMICROELECTRONICS

意法半导体

System Reset

Outline This IC is a reset IC with a delay circuit which realizes high-precision detection accuracy and is provided in an ultra-small package. Features 1. Internal delay circuit Delay time can be set with an external capacitor. 2. High-precision detection accuracy Vs±1.

文件：135.4 Kbytes 页数：6 Pages

MITSUMI

三美

Dual-Band TDMA LNA/Downconverter IC

Product Description The TQ9222 is a 3-V, RF receiver IC designed specifically for dual-band TDMA applications. Its RF performance meets the requirements of products designed to the IS-136 and GSM standards. The TQ9222 is pin compatible with TQ5121 (cellular band LNA/Mixer) which enables handset d

文件：278.98 Kbytes 页数：16 Pages

TRIQUINT