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LM2751 - White LED Driver

General Description

The LM2751 is a constant frequency switched capacitor charge pump with regulated output voltage options of 4.5V, and 5.0V.

Over the input voltage range of 2.8V to 5.5V the LM2751 provides up to 150mA of output current and requires only four lowcost ceramic capacitors.

Key Features

  • 1.
  • 2 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.

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📁 Similar Datasheet

Part Number Description Manufacturer
LM2751 Capacitor White LED Driver National Semiconductor
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Other Datasheets by Texas Instruments

Part Number Description
LM2750 Low-Noise Switched-Capacitor Boost Regulator
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM2751 www.ti.com SNVS299B – APRIL 2005 – REVISED MAY 2013 LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver Check for Samples: LM2751 FEATURES 1 •2 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 725kHz, 300kHz, 37kHz, or 9.5kHz Switching Frequencies • 10-pin SON No-Pullback Package: 3mm × 3mm × 0.8mm APPLICATIONS • White LED Display Backlights • White LED Keypad Backlights • General Purpose 2×, 1.