LM2751 Capacitor White LED Driver

National Semiconductor

Description

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver April 2005 LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver www.datasheet.
The LM2751 is a constant frequency switched capacitor charge pump with regulated output voltage options of 4.

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Datasheet Specifications

Part number: LM2751
Manufacturer: National Semiconductor
File Size: 0.97 MB
Datasheet: LM2751_NationalSemiconductor.pdf
Description: Capacitor White LED Driver

Features

* Regulated Output Options: 4.5V, 5.0V Output Voltage Regulated within 3% Peak Efficiency Over 90% 150mA (4.5V) or 80mA (5.0V) Output Current Capability Input Voltage Range: 2.8V to 5.5V Low Input and Output Voltage Ripple < 1µA Typical Shutdown Current Small Solution Size - NO INDUCTOR Programmable 7

Applications

* n White LED Display Backlights n White LED Keypad Backlights n General Purpose 2x, 1.5x Regulated Charge Pump Typical Application Circuit 20112101 LM2751 2x/1.5x Efficiency vs. 2x Charge Pump Effciency 20112128 © 2005 National Semiconductor Corporation DS201121 www. national. com LM2751 Conne

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LM2751 Capacitor White LED Driver National Semiconductor

National Semiconductor LM2751-like datasheet