HPF隔离

MT7937是一个单级、高功率因数，原边控制交流转直流LED驱动芯片。MT7937集成片上功率因数校正（PFC）功能，在临界导通模式下运行，能实现高功率因数并减少功率MOS管开关损耗。利用创新的控制技术，无需光耦及副边感应器件就可以精确地调制LED电流。\n\nMT7937同时实现了各种保护功能，包括输入过压/欠压保护、过流保护（OCP）输出过压保护 （OVP）、输出短路保护（SCP）和过温调节（OTR）等，以确保系统可靠的工作。同时，MT7937的过温调节设置引脚TADJ，可以通过连接外部电阻来灵活设置温度调节的阈值点。 • 单级有源PFC实现了高功率因数• 内置积分器（无外置COMP电容）\n• 内置THD补偿电路\n• 内置线电压补偿\n• 原边感应机制，无需光耦\n• 高精度LED电流：±5%\n• 临界导通模式运行\n• 每周期峰值电流控制\n• 具有各种保护功能以及自动恢复功能：输入过压/欠压保护、过流保护、输出过压/开路保护、输出短路保护\n• 具有过温调节引脚，温度调节阈值可调\n• 具有软启动功能\n• SOP8封装;

Maxic

美芯晟

InGaAs PIN PHOTO DIODES

DESCRIPTION PD7XX7 Series are InGaAs pin photodiodes which has a sensitive area of Φ40μm. PD7XX7 is suitable for receving the light having a wavelength band of 1000 to 1600nm. This photodiode features high-speed response and a high quantum efficiency, and is suitable for the light receiving eleme

文件：91.97 Kbytes 页数：3 Pages

Mitsubishi

三菱电机

12-BIT, 28 MSPS, 170 mW A/D CONVERTER

DESCRIPTION The SPT7937 is a 12-bit monolithic, low-cost, low-power analog-to-digital converter capable of minimum sample rates of 28 MSPS. The SPT7937 has incorporated proprietary parallel SAR circuit design and CMOS processing technologies to achieve its advanced performance. The on-chip track-

文件：177.42 Kbytes 页数：11 Pages

CADEKA

DataTuff짰 5e, 4 Bonded-Pr #24 Sol BC, PO Ins, OS, PO Jkt, PO Jkt, OSP BURIAL

文件：273.15 Kbytes 页数：3 Pages

BELDEN

百通

LC2MOS 84 Loading Dual 12-Bit DAC

GENERAL DESCRIPTION The AD7937 contains two 12-bit current output DACs on one monolithic chip. A separate reference input is provided for each DAC. The dual DAC saves valuable board space, and the monolithic construction ensures excellent thermal tracking. Both DACs are guaranteed 12-bit monotoni

文件：157.82 Kbytes 页数：8 Pages

AD

亚德诺

LC2MOS 84 Loading Dual 12-Bit DAC

GENERAL DESCRIPTION The AD7937 contains two 12-bit current output DACs on one monolithic chip. A separate reference input is provided for each DAC. The dual DAC saves valuable board space, and the monolithic construction ensures excellent thermal tracking. Both DACs are guaranteed 12-bit monotoni

文件：157.82 Kbytes 页数：8 Pages

AD

亚德诺