1FEATURES

• Rad-Tolerant: 30 kRad (Si) TID (1)

• Optimized for Offline and DC-to-DC Converters

• Low Start-Up Current

• Trimmed Oscillator Discharge Current

• Automatic Feed Forward 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

• Low RO Error Amplifier

DESCRIPTION

The UC1843A-DIE is a pin for pin compatible improved version of the UC1843-DIE. Providing the necessary

features to control current-mode switched-mode power supplies.