100kHz, 1.25A High Efficiency Switching Regulators
They can be operated in all standard switching configurations
including buck, boost, flyback, forward, inverting and “Cuk.”
Wide Input Voltage Range: 3V to 60V
Low Quiescent Current: 6mA
Internal 1.25A Switch
Very Few External Parts Required
Self-Protected Against Overloads
Operates in Nearly All Switching Topologies
Shutdown Mode Draws Only 50mA Supply Current
Flyback-Regulated Mode Has Fully Floating Outputs
LT1172 Available in 8-Pin MiniDIP and Surface Mount Packages
Can Be Externally Synchronized