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PT1505 - White LED Driver & PMU

General Description

The PT1505 is an integrated power management unit and white LED driver for small handheld portable applications.

Key Features

  • z z Integrated switch for USB/AC Adapter supply 220uA quiescent supply current(includes step-down DC-DC converters , two low dropout regulators and step-up DC-DC converter) Integrated single-cell lithium ion battery charger ‹ Auto thermal regulated ‹ Charging current up to 800mA ‹ Charging current adjusted by external resistor Integrated step-down DC-DC converter ‹ Output voltage adjusted by external resistor ‹ Output current up to 600mA ‹ 1.5M Hz fixed switching frequency ‹ Over-current and ove.

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Datasheet Details

Part number PT1505
Manufacturer PowTech
File Size 622.58 KB
Description White LED Driver & PMU
Datasheet download datasheet PT1505 Datasheet

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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.

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PT1505 White LED Driver & PMU for Portable Applications GENERAL DESCRIPTION The PT1505 is an integrated power management unit and white LED driver for small handheld portable applications. It contains a single-cell Lithium Ion battery charger, a synchronous step-down DC-DC converter, 2 Low Dropout Regulators and a step-up DC-DC converter designed for driving up to 8 white LEDs in series. It allows charging from both wall adapter and USB port. When charging from wall adapter, the PT1505 increases the charging current automatically. The battery charger is a highly integrated charging management device targeted at space limited portable applications.