非隔离AC-DC

MT7733是一款工作于电感电流临界导通模式的高精度LED恒流驱动芯片，主要应用于非隔离降压型LED电源系统。 MT7733适用于85Vac~265Vac全范围输入电压，芯片内置500V高压功率MOS管，采用自主设计的高压片内供电方案，无需VCC电容及启动电阻，内置续流二极管，外围电路简单，系统成本低。 MT7733具有高精度的快速电流采样电路，可实现高频应用且具有优异的线性调整率。工作在电感电流临界模式，使得输出电流不随电感感值变化，且具有良好的负载调整率。 MT7733同时实现了各种保护功能，包括LED短路保护（SCP）和过温自动调节等，以确保系统可靠地工作。  \n  无VCC电容及启动电阻\n内置续流二极管\n支持高频开关应用，可使用贴片电感\n临界导通模式，对电感不敏感\n低母线电压下不闪灯\n输出电流精度±5%\nLED短路保护\n欠压锁定保护（UVLO）\n过温自动调节\nSOP4封装;

Maxic

美芯晟

320 output dot-matrix display driver

Description The STV7733 device is a low-power, controller/driver IC for dot-matrix displays. Data is encoded on two bits to select one of four possible output states: high level, medium level, ground or high impedance (Hi-Z). Features ■ High-voltage, row/column driver IC ■ 320, tri-level (high

文件：326.47 Kbytes 页数：28 Pages

STMICROELECTRONICS

意法半导体

320 output dot-matrix display driver

Description The STV7733 device is a low-power, controller/driver IC for dot-matrix displays. Data is encoded on two bits to select one of four possible output states: high level, medium level, ground or high impedance (Hi-Z). Features ■ High-voltage, row/column driver IC ■ 320, tri-level (high

文件：326.47 Kbytes 页数：28 Pages

STMICROELECTRONICS

意法半导体

320 output dot-matrix display driver

Description The STV7733 device is a low-power, controller/driver IC for dot-matrix displays. Data is encoded on two bits to select one of four possible output states: high level, medium level, ground or high impedance (Hi-Z). Features ■ High-voltage, row/column driver IC ■ 320, tri-level (high

文件：326.47 Kbytes 页数：28 Pages

STMICROELECTRONICS

意法半导体