
Linear Technology
DESCRIPTION
The LT ®1371 is a monolithic high frequency current mode switching regulator. It can be operated in all standard switching configurations including boost, buck, flyback, forward, inverting and “Cuk.” A 3A high efficiency switch is included on the die, along with all oscillator, control and
protection circuitry.
FEATURES
■ Faster Switching with Increased Efficiency
■ Uses Small Inductors: 4.7µH
■ All Surface Mount Components
■ Low Minimum Supply Voltage: 2.7V
■ Quiescent Current: 4mA Typ
■ Current Limited Power Switch: 3A
■ Regulates Positive or Negative Outputs
■ Shutdown Supply Current: 12µA Typ
■ Easy External Synchronization
APPLICATIONS
■ Boost Regulators
■ Laptop Computer Supplies
■ Multiple Output Flyback Supplies
■ Inverting Supplies