WD3139 Datasheet - WillSEMI

WD3139 38V Step-Up White LED Driver

The WD3139 is a constant current, high efficiency LED driver. Internal MOSFET can drive up to 10 white LEDs in series with 1.2A current limit and 38V OVP. A Pulse-Width-Modulation (PWM) signal can be applied to the EN pin for LED dimming. The device operates at 1MHz fixed switching frequency to red.

WD3139 Features

* Input voltage range : 2.7~5.5V

* Open LED Protection : 38V (Typ.)

* Reference Voltage : 200mV (±5%)

* Switching frequency : 1MHz (Typ.)

* Efficiency : Up to 92%

* Main switch current limit : 1.2A (Typ.)

* PWM Dimming frequency : 5KHz to200KHz

* PWM Dimm

WD3139 Datasheet (1.26 MB)

WD3139 Datasheet Preview — Preview of WD3139 PDF

Datasheet Details

Part number:

WD3139

Manufacturer:

WillSEMI

File Size:

1.26 MB

Description:

38v step-up white led driver.

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WD3139 38V Step-Up White LED Driver WillSEMI

WD3139 Distributor