LP3101-Panel Power

产品型号 输入电压(V) 输出电压(V) 工作频率(Hz) 效率(%) 限流值(mA) 封装 规格书
LP3101 2.5-4.8 ±5.1-5.9 300K - ±40mA TDFN-12

Dual Channel Charge Pump Power Solution For TFT LCD Panel

General Description

The LP3101A DC/DC converter integrates two low noise, high efficiency charge pumps for dual outputs, which consist of one inverting output and a step-up output. The device operates from 2.5V to 4.8V input, and provides a step-up output voltage (VP) of 2x the input voltage. The negative inverting output (VN) is -1xinverted from the positive output VP. The LP3101A is available in a small TDFN-12 pin package that features a bottom side exposed thermal pad to provide optimal heat dissipation. The small package size and low external parts count make the device ideally suitable for TFT LCD applications of mobile products. The device is rated to operate from – 40 ℃ to +85 ℃ ambient temperature range.  

2.5V to 4.8V Input Supply Voltage Range
Adaptive 1.5x/ 2x mode switchover for positive
voltage and -1x mode for negative voltage
VP output range: 5.4V to 5.9V
VN output range: -5.4V to -5.9V
High current output:
Vin=2.8V, Iout=±40mA;
Vin=3.3V, Iout=±50mA;
Built in Power On Sequence
TDFN-12 1.5mm × 3.0mm Package


Mobile Device, Smart Phone
Portable Media Players/MP3 players
Cellular and Smart mobile phone

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