PM6600 PM6600TR -- 6-row 32 mA LED driver with boost regulator for LCD panel backlight
Features
■ Boost section
– 4.7 V to 28 V input voltage range
– Internal power MOSFET
– Internal +5 V LDO for device supply
– Up to 36 V output voltage
– Constant frequency peak current-mode control
– 200 kHz to 1 MHz adjustable switching frequency
– External synchronization for multi-device application
– Pulse-skip power saving mode at light load
– Programmable soft-start
– Programmable OVP protection
– Stable with ceramic output capacitors
– Thermal shutdown
■ Backlight driver section
– Six rows with 32 mA maximum current capability (adjustable)
– Up to 10 WLEDs per row
– Unused rows detection
– 500 ns minimum dimming time (1% minimum dimming duty-cycle at 20 kHz)
– ± 2.1% current accuracy
– ± 2% current matching between rows
– LED failure (open and short circuit) detection
| 拓撲 |
PWM，升壓（升壓） |
| 輸出數(shù) |
6 |
| 內(nèi)部驅(qū)動器 |
是 |
| 類型 - 初級 |
背光 |
| 類型 - 次級 |
白色 LED |
| 頻率 |
200kHz ~ 1MHz |
| 電壓 - 電源 |
4.7 V ~ 28 V |
| 電壓 - 輸出 |
36V |
| 安裝類型 |
表面貼裝 |
| 封裝/外殼 |
24-VFQFN 裸露焊盤 |
| 供應(yīng)商器件封裝 |
24-VFQFPN（4x4） |
| 工作溫度 |
-40°C ~ 85°C |
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