TFT LCD DC-DC Converter with Integrated Charge Pumps, OP-AMP and HV-Switch, EUP2681 P2P MAX17075.
EUP2681
EUP2681.pdf
FEATURES
• 2.5V to 5.5V Input Supply Range
• 1.2MHz Current Mode Step Up Converter
- Built-In 20V, 3.5A, 0.16Ω N-MOSFET
- High Efficiency Up to 90%
- Internal digital Soft-Start
- Fast Transient Response to Pulsed Load
- Over-Temperature Protection
• Regulated Charge pump for TFT gate-on Supply
• Regulated Charge pump for TFT gate-off Supply
• High Speed High Current 18V VCOM Buffer
- 20MHz BW
- 45V/µS Slew Rate
- More than 500mA Peak Output Current
• HV-Switch Circuit
- Adjustable Falling rate
- Reduction of Coupling Effect between Gate Line
and Pixel
- Flicker Compensation Circuit
• Input Under Voltage Lockout and Thermal Protection
• 24 pin 4mm×4mm TQFN Package
• RoHS Compliant and 100% Lead (Pb)-Free
Halogen-Free
PIN CONFIGUTION
CROSS
FEATURES
• 2.5V to 5.5V Input Operating Range
• Current Mode Step-Up Regulator
Fast-Transient Response
Built-In 20V, 3A, 0.16Ω n-Channel Power MOSFET
Cycle-by-Cycle Current Limit
87% Efficiency (5V Input to 13V Output)
1.2MHz Switching Frequency
±1% Output Voltage Regulation Accuracy
• High-Current 18V VCOM Buffer
±500mA Output Short-Circuit Current
45V/µs Slew Rate
20MHz -3dB Bandwidth
Rail-to-Rail Output
• Regulated Charge Pump for TFT Gate-On Supply
• Regulated Charge Pump for TFT Gate-Off Supply
• Logic-Controlled High-Voltage Switches with
Adjustable Delay
• Soft-Start and Timed Delay Fault Latch for All
Outputs
• Overload and Thermal Protection
PIN CONFIGUTION









