A8230A ULTRA LOW-DROPOUT CONSTANT-CURRENT WITHOUT WHITE LED BIAS

AiT Semiconductor

Description

AiT Semiconductor Inc.www.ait-ic.com A8230A ULTRA LOW-DROPOUT CONSTANT-CURRENT WITHOUT WHITE LED BIAS .
The A8230A is a high performance ultra lowdropout constant current bias supply for white LEDs.

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Datasheet Specifications

Part number: A8230A
Manufacturer: AiT Semiconductor
File Size: 631.83 KB
Datasheet: A8230A-AiTSemiconductor.pdf
Description: ULTRA LOW-DROPOUT CONSTANT-CURRENT WITHOUT WHITE LED BIAS

Features

* Ultra Low 200mV Dropout at 20mA
* 0.6% High Accuracy Current Matching
* 20mA Full Scale Current
* 32 Level Linear Current Brightness Control
* PWM Brightness Control
* 2.5V to 6V 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 32 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 A8230A is suitable for single cell Li-ion

A8230A Distributors

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A8230A ULTRA LOW-DROPOUT CONSTANT-CURRENT WITHOUT WHITE LED BIAS AiT Semiconductor

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