UC3842
Description
The UC3842 is available in an 8-Pin mini-DIP the necessary features to implement off-line, fixed-frequency current-mode control schemes with a minimal external parts count.
Key Features
- NC VFB NC ISENSE NC RT/CT
- Low start-up current (≤1mA)
- Automatic feed-forward pensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Undervoltage lock-out with hysteresis
- Double pulse suppression
- High current totem-pole output
- Internally-trimmed bandgap reference
- 400kHz operation, guaranteed min
