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BUY UCC38503DW https://www.utsource.net/itm/p/990530.html
Current-Mode SMPS Controller
The UCC38503DW is a high-performance current-mode PWM controller from Texas Instruments. It is designed for use in off-line and DC-to-DC converter applications. It features an internal high-gain error amplifier, a fixed frequency oscillator, and a temperature-compensated current source. Features: High-performance current-mode PWM controller Internal high-gain error amplifier Fixed frequency oscillator Temperature-compensated current source Undervoltage lockout Overvoltage protection Overcurrent protection Over-temperature protection Internal soft-start Low start-up current Low standby current SOP-20 package Applications: Off-line power supplies DC-to-DC converters Battery chargers Motor control Lighting control (For reference only)