LT1372CS8

开关稳压器 LT1372 - 500kHz and 1MHz High Efficiency 1.5A Switching Regulators

DESCRIPTION

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 the LT1372/LT1377 are integrated into 8-pin SO/PDIP packages.

FEATURES

■ Faster Switching with Increased Efficiency

■ Uses Small Inductors: 4.7µH

■ All Surface Mount Components

■ Only 0.5 Square Inch of Board Space

■ Low Minimum Supply Voltage: 2.7V

■ Quiescent Current: 4mA Typ

■ Current Limited Power Switch: 1.5A

■ Regulates Positive or Negative Outputs

■ Shutdown Supply Current: 12µA Typ

■ Easy External Synchronization

■ 8-Pin SO or PDIP Packages

APPLICATIONS

■ Boost Regulators

■ CCFL Backlight Driver

■ Laptop Computer Supplies

■ Multiple Output Flyback Supplies

■ Inverting Supplies