LT1956-5
FEATURES s s s
DESCRIPTIO s s s s s s s s s
Wide Input Range: 5.5V to 60V 1.5A Peak Switch Current Small 16-Pin SSOP or Thermally Enhanced TSSOP Package Saturating Switch Design: 0.2Ω Peak Switch Current Maintained Over Full Duty Cycle Range Constant 500k Hz Switching Frequency Effective Supply Current: 2.5m A Shutdown Current: 25µA 1.2V Feedback Reference (LT1956) 5V Fixed Output (LT1956-5) Easily Synchronizable Cycle-by-Cycle Current Limiting
The LT ®1956/LT1956-5 are 500k Hz monolithic buck switching regulators with an input voltage capability up to 60V. A high efficiency 1.5A, 0.2Ω switch is included on the die along with all the necessary oscillator, control and logic circuitry. A current mode architecture provides fast transient response and good loop stability. Special design techniques and a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by...
