Description
PT4401/2 3/4 Channel Parallel White/Blue LED Drivers * GENERAL .
The PT4401/2 is a series of White/Blue LED drivers, with PT4401 capable of driving three LEDs and PT4402 driving four LEDs.
Features
* z No external component required z Fixed 20mA or 15mA sinking current z Individual current sink circuit for each output to prevent short/open circuit on LEDs z PTC LED current for luminosity compensation z 3 channels (PT4401/SOT23-6) and 4 channels (PT4402/MSOP-8) available z PWM tuned LED brightnes
Applications
* are small color LCD displays in mobile phones, smart phone, digital cameras, PDA etc. PT4401 is available in SOT-23-6 package and PT4402 in MSOP-8 package, respectively.