LM2751 Datasheet (Texas Instruments)

LM2751, White LED Driver

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.

Typical Application Circuit V

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