高效率降压型 LED 恒流驱动芯片

MT773XH是一款工作于临界导通模式（CRM，Critical Conduction Mode）的高精度LED恒流驱动芯片，主要应用于非隔离降压型LED电源系统。\n\nMT773XH适用于85Vac~265Vac宽电压输入范围应用，芯片内置500V高压功率MOS管，采用创新的高压片内供电方案，无需VCC电容及启动电阻，外围电路简单，系统成本低。\n\nMT773XH具有高精度的快速电流采样电路，支持高频应用且具有优异的线性调整率。工作在临界导通模式，输出电流不随电感变化，使芯片具有良好的负载调整率。\n\nMT773XH同时实现了各种保护功能，包括LED短路保护和过温自动调节等，以确保系统 • 无VCC电容及启动电阻\n• 临界导通模式，对电感不敏感\n• 输出电流精度：±5%\n• 欠压锁定保护（UVLO）\n• SOP4封装\n;

Maxic

美芯晟

262K Color Single-Chip TFT Controller/Driver

Introduction The ST7732 is a single-chip controller/driver for 262K-color, graphic type TFT-LCD. It consists of 396 source line and 162 gate line driving circuits. This chip is capable of connecting directly to an external microprocessor, and accepts Serial Peripheral Interface (SPI), 8-bits/9-bi

文件：2.42435 Mbytes 页数：168 Pages

Sitronix

矽创电子

T-1 Subminiature Lamps

T-1 Subminiature Lamps T-1 Subminiature Short Type Lamps

文件：143.59 Kbytes 页数：2 Pages

GILWAY

Serial Digital Coax, RG11, #14 Solid BC, Foil 95 TC braid, CMP

文件：240.73 Kbytes 页数：3 Pages

BELDEN

百通

2-Channel, -10 V Input Range, High Throughput, 24-Bit SIGMA- ADC

GENERAL DESCRIPTION The AD7732 is a high precision, high throughput analog front end. True 16-bit p-p resolution is achievable with a total conversion time of 500 µs (2 kHz channel switching), making it ideally suitable for high resolution multiplexing applications. FEATURES High resolu

文件：1.57634 Mbytes 页数：32 Pages

AD

亚德诺