HT7955是Holtek一個高效的DC/DC控制器,可以驅動許多WLED連接,串聯/并聯的配置,并具有很寬的輸入電壓范圍(10V~26V),可由外部電阻調節60mA~80mA的WLED電流,總體而言,該設備最高可以支持80 WLED。此外,六個電流調節器可提供±2.5%高精度電流匹配(線路之間)。亮度可以通過外部PWM調整(最高頻率... (來源:解決方案頻道)
電視WLED背光驅動 2013-7-22 13:52
The HT7955 is a high efficiency DC-DC controller drives a number of WLEDs connected in series/ parallel configuration and has a wide input voltage range from 10V to 26V, and adjustable 60mA to 80mA WLED current by external resistor. In total, the device can support up to 80 WLED.... (來源:解決方案頻道)
電源管理LED驅動器DC/DC轉換器 2012-9-17 09:56