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TPS60255 - HIGH EFFICIENCY CHARGE PUMP

Description

The TPS60255 is a high-efficiency, constant frequency charge pump DC/DC converter that uses 1× and 1.5× conversion to maximize efficiency for the input voltage range.

Features

  • 1.
  • 2 2.7 V to 6.0 V Input Voltage Range.
  • 1× and 1.5× Charge Pump.
  • Auto Switching Between 1× and 1.5× Modes.
  • 750 kHz Charge Pump Frequency.
  • Seven Individually-regulated WLED Current Sinks.
  • Single- Wire Interface for Dimming and ON/OFF Control.
  • 25 mA max LED Current for Six Current Sinks.
  • One 80 mA Current Sink.
  • Open WLED Detection.
  • Built-in Soft Start and Current Limit.
  • 16-pin, 3 mm × 3 mm QFN Packag.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TPS60255 www.ti.com SLVS825 – MARCH 2008 HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs DRIVER WITH 1 WIRE INTERFACE FEATURES 1 •2 2.7 V to 6.0 V Input Voltage Range • 1× and 1.5× Charge Pump • Auto Switching Between 1× and 1.5× Modes • 750 kHz Charge Pump Frequency • Seven Individually-regulated WLED Current Sinks • Single- Wire Interface for Dimming and ON/OFF Control • 25 mA max LED Current for Six Current Sinks • One 80 mA Current Sink • Open WLED Detection • Built-in Soft Start and Current Limit • 16-pin, 3 mm × 3 mm QFN Package APPLICATIONS • Cellular Phones • Portable Navigation Displays • Multi-display Handheld Devices DESCRIPTION The TPS60255 is a high-efficiency, constant frequency charge pump DC/DC converter that uses 1× and 1.
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