The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family, optimized for off-line and DC-DC converters.
Key features include:
- Low start-up current (< 0.5 mA)
- Trimmed oscillator discharge current
- Automatic feedforward compensation
- 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 500-kHz operation
Applications include switch mode power supplies (SMPS), DC-DC converters, power modules, industrial PSU, and battery operated PSU.
Manual:
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