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PT4301 - 4 Channel 1x/1.5x Auto-Adjust Charge Pump White LED Driver

Description

The PT4301/03 is a 4-channel 1x/1.5x auto-adjust charge pump white LED driver that achieves high efficiency for Li-Ion battery supply.

The LED current can be set by an external resistor.

Features

  • z 1×/1.5× auto-adjust charge pump z LED current set by external resistor z Programmable 4-channel LED current up to 20mA with 8 levels control through en/set pin z Individual LED dimming control through PWM signals at 3 (PT4301) or 2 (PT4303) control inputs z LED fault detection z.

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Datasheet Details

Part number PT4301
Manufacturer Powtech
File Size 140.51 KB
Description 4 Channel 1x/1.5x Auto-Adjust Charge Pump White LED Driver
Datasheet download datasheet PT4301 Datasheet

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Other Datasheets by Powtech

Part Number Description
PT4302 2 Channel 1x/1.5x Auto-Adjust Charge Pump White LED Driver
PT4303 1x/1.5x Auto-Adjust Charge Pump 4-Channel White LED Driver
PT4305 1x/1.5x Auto-Adjust Charge Pump
PT4101 White LED Step-Up Converter
PT4103 White LED Step-Up Converter

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
PT4301, PT4303 4 Channel 1×/1.5× Auto-Adjust Charge Pump White LED Driver GENERAL DESCRIPTION The PT4301/03 is a 4-channel 1x/1.5x auto-adjust charge pump white LED driver that achieves high efficiency for Li-Ion battery supply. The LED current can be set by an external resistor. Only one small resistor and four 1µF small ceramic capacitors are needed as external components to construct a LED driver, which makes the PT4301/03 an ideal choice for portable applications. The LED fault detection circuit in the PT4301/03 improves the reliability of the system. The PT4301/03 has three dimming modes that allow users to adjust the brightness of the four LEDs individually or all together.
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