LTC3454 Overview
Key Specifications
Package: DFN
Pins: 10
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 2.7 V
Description
The LTC®3454 is a synchronous buck-boost DC/DC converter optimized for driving a single high power LED at currents up to 1A from a single cell Li-Ion battery input. The regulator operates in either synchronous buck, synchronous boost, or buck-boost mode depending on input voltage and LED forward voltage.
Key Features
- Wide VIN Range: 2.7V to 5.5V
- Up to 1A Continuous Output Current n 3.5% LED Current Programming Accuracy
- Internal Soft-Start
- Open/Shorted LED Protection
- Constant Frequency 1MHz Operation
