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Data Sheet
UCCx8C4x BiCMOS Low-Power Current-Mode PWM
Controller
1 Features
- Enhanced replacement for UCx84x and UCx84xA family with pin-to-pin compatibility
- Operating frequency: 1MHz Maximum
- 50μA Startup Current, 100μA Maximum
- Low operating current: 2.3mA (at fOSC = 52kHz)
- Fast, cycle-by-cycle overcurrent limiting: 35ns
- Peak driving current: ±1A. Rail-to-rail output:
- 25ns rise time
- 20ns fall time
- ±1% accurate 2.5V error amplifier reference
- Trimmed oscillator discharge current
- Undervoltage lockout protections
- VSSOP-8 package minimizes board space