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19-0793; Rev 1; 6/07
KIT ATION EVALU E L B AVAILA
TFT-LCD DC-DC Converter with Operational Amplifiers
General Description Features
o 2.5V to 5.5V Input Supply Range o 1.2MHz Current-Mode Step-Up Regulator Fast Transient Response to Pulsed Load High-Accuracy Output Voltage (1%) Built-In 20V, 3A, 0.16Ω n-Channel MOSFET High Efficiency (85%) o Linear-Regulator Controllers for VGON and VGOFF o High-Performance Operational Amplifiers ±130mA Output Short-Circuit Current 45V/µs Slew Rate 20MHz, -3dB Bandwidth Rail-to-Rail Inputs/Outputs o Logic-Controlled, High-Voltage Switch with Adjustable Delay o Timer-Delay Fault Latch for All Regulator Outputs o Thermal-Overload Protection o 0.