开关调色温控制芯片

WS9912是双电源开关调色温的专用芯片，根据输入开关的动作控制两个恒流电源的启动和关闭，并有效解决了目前双电源开关调色温常用方案中碰到的问题，例如：多个电源同时应用时的逻辑不一致或LED铝基板感应漏电时出现的逻辑状态不正常等。\n\nWS9912采用SOT23-6封装形式。 • 外围电路简洁\n• 同步性好\n• 兼容隔离和非隔离应用\n• 开关切换有效保持时间外部可调\n• 铝基板有感应漏电时状态切换正常;

Winsemi

稳先微电子

Hollow space floor box system: 9912T

Features: Delivery cond.: Complete and pre-assembled

文件：448.3 Kbytes 页数：1 Pages

BURLAND

AC-DC LED DRIVER 85~265V AC INPUT LED CONSTANT CURRENT DRIVER

FEATURES  Switch mode controller for single switch LED Drivers  Open loop peak current controller  Wide Input range from 8VDC~450VDC or 110VAC/220AC  Application from a few mA to more than 1A output  Up to hundreds of LEDs  Constant off-time operation  Linear and PWM dimming capabili

文件：371.25 Kbytes 页数：10 Pages

AITSEMI

创瑞科技

1 GSPS Direct Digital Synthesizer w/ 14-bit DAC

GENERAL DESCRIPTION The AD9912 is a direct digital synthesizer (DDS) that features an integrated 14-bit digital-to-analog converter (DAC). The AD9912 features a 48-bit frequency tuning word (FTW) that can synthesize frequencies in step sizes no larger than 4 μHz. Absolute frequency accuracy can b

文件：113.59 Kbytes 页数：3 Pages

AD

亚德诺