UC1843A-SP Description
The UC1843A-SP control IC is a radiation hardened pin-for-pin patible version of the UC184x family. Providing the necessary characteristics to control current-mode switched-mode power supplies, this device has improved.
UC1843A-SP Key Features
- 1 QML Class V (QMLV) Qualified, SMD 5962-86704
- 5962P8670409Vxx
- Radiation Hardness Assurance (RHA) up to 30-krad(Si) Total Ionizing Dose (TID)
- Passes Functional and Specified PostRadiation Parametric Limits at 45 krad at LDR (10 mrad(Si)/s) per 1.5× Over Test as
- Exhibits Low-Dose Rate Sensitivity but Remains Within the Pre-Radiation Electrical Limits at 30-krad Total Dose Level, a
- 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