PT4401 Datasheet 3/4 Channel Parallel White/blue Led Drivers

Manufacturer: Micro Bridge Technology

Overview: PT4401/2 3/4 Channel Parallel White/Blue LED Drivers GENERAL.

Datasheet Details

Part number	PT4401
Manufacturer	Micro Bridge Technology
File Size	238.46 KB
Description	3/4 Channel Parallel White/Blue LED Drivers
Datasheet	PT4401-MicroBridgeTechnology.pdf

The PT4401/2 is a series of White/Blue LED drivers, with PT4401 capable of driving three LEDs and PT4402 driving four LEDs.

There is no external component needed, which helps to simplify the system design and lower the system cost significantly.

The circuit is optimized to provide over 90% efficiency.

S 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 brightness through EN pin z Supply voltage range 2.7V~6.0V z 0.1uA standby current.

Part Number	Description
PT4402	3/4 Channel Parallel White/Blue LED Drivers
PT4102	Step-up White LED Driver