UC1525A/27A, UC2525A/27A, UC3525A/27A are regulating pulse width modulators with features including 8 to 35V operation, 5.1V reference voltage trimmed to ±1%, 100Hz to 500kHz oscillator range, adjustable deadtime control, internal soft-start, etc.
The UC1525A/27A, UC2525A/27A, and UC3525A/27A series are pulse‑width modulator integrated circuits designed for switching power supplies. They provide an on‑chip 5.1 V reference trimmed to ±1 % and include a sync input, adjustable dead‑time, soft‑start, and latch‑controlled shutdown.
The datasheet lists absolute maximum ratings, recommended operating conditions, detailed electrical characteristics, pin functions, and typical application schematics. It also includes a revision history and legal notice from Texas Instruments.