這是一款性能優良，質量穩定的，知名品牌“泰德techcode"的dc-dc ic，5v為其最常用規格，封裝：to263-5l,普遍應用在車載專用機gps、dvd、顯示器行業。

 具體規格如下：

3a 150khz pwm buck dc/dc converter

• 3.3v, 5v and adjustable output versions
• output adjustable from 1.23v to 43v
• fixed 150khz frequency internal oscillator
• guaranteed 3a output load current
• input voltage range up to 45v
• low power standby mode, i_qtypically 80 µa
• ttl shutdown capability
• excellent line and load regulation
• requires only 4 external components
• high efficiency
• thermal shutdown and current limit protection
• available in to-220b/to220 and to-263 packages