G5562 Overview
The G5562 DC-DC converter provides regulated voltages required by thin-film transistor (TFT) liquid crystal displays (LCD) panels in TQFN package. One step-up converter, one step-down converter, and two charge pumps convert the 8V to 14V input voltage into four output voltages.
G5562 Key Features
- 8V to 14V Input Voltage Range
- 500kHz/750kHz Fixed Switching Frequency
- VS Step-Up Converter
- VLOGIC Step-Down Converter Current Mode 1% Feedback Accuracy 2.5A Switch Current 2.5ms Internal Soft Start
- 150mA Negative Charge Pump Driver for VGL
- 150mA Positive Charge Pump Driver for VGH
- Integrated High Voltage Switch for Gate Voltage Shaping
- High Voltage LDO for VREF 0.5% Feedback Accuracy 0.5V Dropout at 60mA Output Current
- High-Speed Operational Amplifier 20MHz -3dB Bandwidth 45 V/µs Slew Rate ±200-mA Short-Circuit Current
- Gate Drive Signal to Drive External MOSFET