LM3530 Datasheet High-Efficiency White-LED Driver

Manufacturer: Texas Instruments

LM3530 high-efficiency white-led driver by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	LM3530
Manufacturer	Texas Instruments
File Size	7.35 MB
Description	High-Efficiency White-LED Driver
Datasheet	LM3530 Datasheet

General Description

The LM3530 current mode boost converter supplies the power and controls the current in up to 11 series white LEDs.

The 839-mA current limit and 2.7-V to 5.5-V input voltage range make the device a versatile backlight power source ideal for operation in portable applications.

The LED current is adjustable from 0 mA to 29.5 mA via an I2C-compatible interface.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3530 SNVS606L – JUNE 2009 – REVISED DECEMBER 2014 LM3530 High-Efficiency White-LED Driver with Programmable Ambient Light Sensing.

Key Features

1 Drives up to 11 LEDs in series.
1000:1 Dimming Ratio.
90% Efficient.
Programmable Dual Ambient Light Sensor Inputs with Internal ALS Voltage Setting Resistors.
I2C Programmable Logarithmic or Linear Brightness Control.
External PWM Input for Simple Brightness Adjustment.
True Shutdown Isolation for LEDs and Ambient Light Sensors.
Internal Soft-Start Limits Inrush Current.
Wide 2.7-V to 5.5-V Input Voltage Range.

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