• Part: PT4301
  • Description: 4 Channel 1x/1.5x Auto-Adjust Charge Pump White LED Driver
  • Manufacturer: Powtech
  • Size: 140.51 KB
PT4301 Datasheet (PDF) Download
Powtech
PT4301

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.

Key Features

  • LED current set by external resistor
  • Programmable 4-channel LED current up to 20mA with 8 levels control through en/set pin
  • Individual LED dimming control through PWM signals at 3 (PT4301) or 2 (PT4303) control inputs
  • LED fault detection z <3% channel to channel current mismatch
  • Less than 1uA shut down current
  • Built-in soft-start and soft mode switching