Description
The LT®3477 is a current mode, 3A DC/DC step-up converter with dual rail-to-rail current sense amplifiers and an internal 3A, 42V switch.
Features
- nn Dual 100mV Rail-to-Rail Current Sense Amplifiers nn Wide Input Voltage Range: 2.5V to 25V nn 3A, 42V Internal Switch nn High Efficiency Power Conversion: Up to 93% nn Drives LEDs in Boost, Buck-Boost or Buck Mode nn Frequency Set by External Resistor: 200kHz to 3.5MHz nn Programmable Soft-Start nn Low VCESAT Switch: 0.3V at 2.5A nn Capable of Positive and Negative Output Voltages
(Boost, Inverting, SEPIC, Flyback) nn Available in Thermally Enhanced 20-Lead
(4mm × 4mm) QFN and 20-Lead TSSOP Pa.
LT3477_LinearTechnology.pdf
