ISL97642 Datasheet (Renesas)

ISL97642, TFT-LCD DC/DC

CONDITIONS MIN TYP SUPPLY VIN VLOR VLOF IS ISS TFD VREF Input Supply Range Undervoltage Lockout Threshold Undervoltage Lockout Threshold Quiescent Current Quiescent Current - Switching Fault Delay Time Reference Voltage

ISL97642 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc TFT-LCD DC/DC with Integrated Amplifiers DATASHEET FN6436 Rev 0.00 June 18, 2007 The ISL97642 integrates a high performance boost regulator with 2 LDO controllers for VON and VOFF, a VON-slice circuit with adjustable delay and three amplifiers for VCOM and VGAMMA applications.

The boost converter in the ISL97642 is a current mode PWM type integrat

ISL97642 Features

* Current mode boost regulator - Fast transient response - 1% accurate output voltage - 18V/2.4A integrated FET - >90% efficiency

* 2.6V to 5.5V VIN supply

* 2 LDO controllers for VON and VOFF - 2% output regulation - VON-slice circuit

* High speed amplifiers - 150mA