LN5925 Constant-Current White LED Bias

Description

Ultra Low-Dropout, Constant-Current White LED Bias LN5925 * General .
The LN5925 is a high performance ultra low- dropout constant current bias supply for white LEDs.

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Datasheet Specifications

Part number: LN5925
Manufacturer: natlinear
File Size: 451.61 KB
Datasheet: LN5925-natlinear.pdf
Description: Constant-Current White LED Bias

Features

* Ultra low 60mV dropout at 20mA
* 3% high accuracy current matching
* 20mA full scale current
* 16 Level linear current brightness control
* PWM brightness control
* 2.5V to 5.5V supply voltage range
* Thermal shutdown function
* Under-voltage protection function

Applications

* For dimming control, an enable input pin is controlled by processor GPIO output pulses for 16 level linear current. Using a low frequency PWM waveform to this enable input pin also controls the average LED current which is proportional to the PWM duty. The LN5925 is suitable for single cell Li-ion

LN5925 Distributors

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LN5925 Constant-Current White LED Bias natlinear

natlinear LN5925-like datasheet