LM3570

Low Noise White LED Driver System

National Semiconductor

LM3570 Features

* n 2.7V to 5.5V Input Voltage n Regulated Output Voltage (VOUT = 4.35V) n Regulated IDx with ± 0.3% matching between constant current outputs n High Efficiency 3/2 Boost function n Drives one, two, or three white LEDs with no bias resistor losses n Drives auxiliary keypad LEDS in voltage mode n Up to

LM3570 General Description

The LM3570 device provides a complete LED driver solution for wireless handsets and other portable devices using a display and keypad. With three constant current sources, up to three white LEDs can be used for display lighting with excellent current matching (0.3% typ.). The regulated 4.35V output .

LM3570 Datasheet (352.79 KB)

LM3570 Datasheet Preview — Preview of LM3570 PDF

Datasheet Details

Part number:

LM3570

Manufacturer:

National Semiconductor

File Size:

352.79 KB

Description:

Low noise white led driver system.

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LM3570 Low Noise White LED Driver System National Semiconductor

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LM3570 Features

LM3570 General Description

Datasheet Details

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