Datasheet Summary
UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
SLUS223H
- APRIL 1997
- REVISED OCTOBER 2024
UCx84x Current-Mode PWM Controllers
1 Features
- Optimized for off-line and DC-to-DC converters
- Low start-up current (< 1mA)
- Automatic feedforward pensation
- Pulse-by-pulse current limiting
- Enhanced load-response characteristics
- Undervoltage lockout with hysteresis
- Double-pulse suppression
- High-current totem-pole output
- Internally trimmed bandgap reference
- Up to 500kHz operation
- Error amplifier with low output resistance
2 Applications
- Switching regulators of any polarity
- Transformer-coupled DC-DC converters
3 Description
The...
