FEATURES
s Faster Switching with Increased Efficiency s Uses Small Inductors: 4.7µH s All Surface Mount Components s Only 0.5 Square Inch of Board Space s Low Minimum Supply Voltage: 2.7V s Quiescent Current: 4mA Typ s Current Limited Power Switch: 1.5A s Regulates Positive or Negative Outputs s Shutdown Supply Current: 12µA Typ s Easy External Synchronization s 8-Pin SO or PDIP Packages U APPLICATIO S s Boost Regulators s CCFL Backlight Driver s Laptop Computer Supplies s Multiple Output Flyback Supplies s Inverting Supplies LT1372/LT1377 500kHz and 1MHz High Efficiency 1.5A Switching Regulators DESCRIPTIO The LT®1372/LT1377 are monolithic high frequency switching regulators. They can be operated in all standard switching configurations including boost, buck, flyback, forward, inverting and “Cuk.” A 1.5A high efficiency switch is included on the die, along with all oscillator, control and protection circuitry. All functions of High frequency switching allows for very small inductors to be used.