LM3570 - Low Noise White LED Driver System

National Semiconductor

Datasheet Details

The LM3570 device provides a complete LED driver solution for wireless handsets and other portable devices using a display and keypad..

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 80mA total output current n Active-High Enable n Active-High PWM Control Pin for independent control of current sources n Very small solution size n 1µA(max) shutdown current n 500kHz switching frequ.

📁 Related Datasheet

LM35 - Precision Centigrade Temperature Sensor (Texas Instruments)
LM350 - Three-terminal Positive Voltage Regulator (Motorola)
LM350-N - 3-Amp Adjustable Regulator (Texas Instruments)
LM3500 - Synchronous Step-up DC/DC Converter (Texas Instruments)
LM3501 - Synchronous Step-up DC/DC Converter (Texas Instruments)
LM3508 - Synchronous Magnetic Constant Current White LED Driver (Texas Instruments)
LM3509 - High Efficiency Boost (Texas Instruments)
LM3519 - High Frequency Boost White LED Driver (Texas Instruments)

📌 All Tags

National Semiconductor LM3570-like datasheet

LM3570 Stock/Price