UC1843B-SP Overview
The UC1843B-SP control IC is a radiation hardened pin-for-pin patible version of the UC1843A-SP. Providing the necessary characteristics to control current-mode switched-mode power supplies, this device has improved.
UC1843B-SP Key Features
- QML class V (QMLV) qualified, SMD 5962-86704
- 5962R8670412VYC
- Radiation hardness assurance (RHA) up to 100-krad(Si) total ionizing dose (TID)
- Optimized for offline and DC-to-DC converters
- Low start-up current (< 0.5 mA)
- Trimmed oscillator discharge current
- Automatic feed forward pensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Undervoltage lockout (UVLO) with hysteresis
