NCP1271B /SO-7

Мікросхема імпульсного блока живлення (SMPS). ШІМ-контролер

Features • Fixed−Frequency Current−Mode Operation with Ramp Compensation and Skip Cycle in Standby Condition • Timer−Based Fault Protection for Improved Overload Detection • “Soft−Skip Mode” Technique for Optimal Noise Control in Standby • Internal High−Voltage Startup Current Source for Lossless Startup • 5% Current Limit Accuracy over the Full Temperature Range • Adjustable Skip Level • Internal Latch for Easy Implementation of Overvoltage and Overtemperature Protection • Frequency Jittering for Softened EMI Signature • +500 mA/−800 mA Peak Current Drive Capability • Sub−100 mW Standby Power can be Achieved • Pin−to−Pin Compatible with the Existing NCP120X Series • This is a Pb−Free Device

Typical Applications • AC−DC Adapters for Notebooks, LCD Monitors • Offline Battery Chargers • Consumer Electronic Appliances STB, DVD, DVDR