微源現货库存 LP6281 屏显示电源管理芯片
Features
◆ Wide VIN Input Range: 7.4V to 18V
◆ Current-Mode Boost Regulator for VAVDD
Isolation Switch
Isolation SWG Control
13.5V to 19.8V Programmable Output Voltage
500/750kHz Switch Frequency
5A Peak Current
Optional External Switching NMOS Control
◆ Buck Regulator for VIO
1.8V to 3.35V Programmable Output
500/750kHz Switch Frequency
3A Peak Current
◆ Operation Amplifier for VHAVDD
7-bits Resolution
±200mA Peak Current
◆ Positive Charge Pump / Boost for VGH
5-bits Resolution
20V to 42V Programmable Output
Negative Temperature Compensation
◆ Negative Charge Pump / Inverting for VGL
5-bits Resolution
-3V to -18V Output Voltage
Negative Temperature Compensation
◆ Operation Amplifier for VCOM
7-bits Resolution
±300mA Current Limit
Negative Temperature Compensation
◆ 14-Channel Programmable Gamma Buffers
10-Bit Resolution
±180mA Current Limit
◆ Under-Voltage Protection
◆ Over-Temperature Protection
◆ IIC Compatible Interface for Register Control
◆ Available in QFN-46 (4.5mm×6.5mm)
◆ RoHS Compliant and Halogen Free
Application
◆ TFT LCD TV Pane
