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NCP5603 - High Efficiency Charge Pump Converter

Description

1 Vout OUTPUT, PWR This pin supplies the regulated voltage to the external LED.

Since high current transients are present in this pin, care must be observed to avoid voltage spikes in the system.

high frequency layout technique must be observed.

Features

  • ăWide Battery Supply Voltage Range: 2.7 < VCC < 5.5 V.
  • ăAutomatic Operating Mode 1X, 1.5X and 2X Improves Efficiency.
  • ăDimmable Output Current.
  • ăUp to 350 mA Output Pulsed Current.
  • ăSelectable Output Voltage.
  • ăHigh Efficiency Up To 90%.
  • ăSupports 2.5 kV ESD, Human Body Model.
  • ăSupports 200 V Machine Model ESD.
  • ăLow 40 mA Short Circuit Current.
  • ăPb-Free Package is Available.

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Datasheet Details

Part number NCP5603
Manufacturer onsemi
File Size 148.99 KB
Description High Efficiency Charge Pump Converter
Datasheet download datasheet NCP5603 Datasheet

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Full PDF Text Transcription

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NCP5603 High Efficiency Charge Pump Converter The NCP5603 is an integrated circuit dedicated to the medium power White LED applications. The power conversion is achieved by means of a charge pump structure, using two external ceramic capacitors, making the system extremely tiny. The device supplies a constant voltage to the load from a low battery voltage source. It is particularly suited for the High Efficiency LED used in low cost, low power applications, with high extended battery life. Features •ăWide Battery Supply Voltage Range: 2.7 < VCC < 5.5 V •ăAutomatic Operating Mode 1X, 1.5X and 2X Improves Efficiency •ăDimmable Output Current •ăUp to 350 mA Output Pulsed Current •ăSelectable Output Voltage •ăHigh Efficiency Up To 90% •ăSupports 2.
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