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ISL97642 - TFT-LCD DC/DC

Description

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

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 short-circuit output current - 12V/s slew rate - 12MHz -3dB bandwidth - Rail-to-rail inputs and outputs.
  • Built-in power sequencing.
  • Internal soft-start.
  • Multiple overload p.

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Datasheet preview – ISL97642

Datasheet Details

Part number ISL97642
Manufacturer Renesas
File Size 517.21 KB
Description TFT-LCD DC/DC
Datasheet download datasheet ISL97642 Datasheet
Additional preview pages of the ISL97642 datasheet.

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Full PDF Text Transcription

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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 integrating an 18V N-Channel MOSFET. Using external low-cost transistors, the LDO controllers provide tight regulation for VON, VOFF, as well as providing start-up sequence control and fault protection.
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