Part UCC28C42-Q1
Description PWM Controllers
Manufacturer Texas Instruments
Size 3.69 MB
Texas Instruments
UCC28C42-Q1

Overview

The UCC28C4x-Q1 family devices are high performance current-mode PWM controllers. The UCC28C4x-Q1 family supports a fixedfrequency, peak current-mode flyback implementation with UVLO and maximum duty-cycle limit options.

  • 1 AEC-Q100 qualified with the following results: - Device temperature grade 1:-40⁰C to 125⁰C - Device HBM classification level 2: ±2 kV - Device CDM classification level C4B: 750 V
  • 1-MHz operation
  • 50-μA standby current, 100-μA maximum
  • Low operating current of 2.3 mA at 52 kHz
  • Fast 35-ns cycle-by-cycle over-current limiting
  • ±1-A peak output current
  • Rail-to-rail output swings with 25-ns rise and 20- ns fall times
  • ±1% initial trimmed 2.5-V error amplifier reference
  • Trimmed oscillator discharge current
  • New undervoltage lockout versions