UC1825A-SP Datasheet | Texas Instruments

Product Folder Sample & Buy Technical Documents Tools & Software Support & munity SLUS873C - JANUARY 2009 - REVISED DECEMBER 2016 UC1825A-SP Class-V, Radiation Hardened High-Speed PWM Controller 1 Features - 1 QML-V Qualified, SMD 5962-87681 - 5962P8768105Vxx: - Radiation Hardness Assurance (RHA) up to 30-krad(Si) Total Ionizing Dose (TID) - Passes Functional and Specified Post Radiation Parametric Limits at 45 krad at LDR (10 mrad(Si)/s) per 1.5× Over Test as Defined in MIL-STD-883 Test Method 1019.9 Paragraph 3.13.3.b - Exhibits Low Dose Rate Sensitivity but Remains Within the Pre-Radiation Electrical Limits at 30-krad Total Dose Level, as Allowed by MIL-STD-883, TM1019 - patible With Voltage-Mode or Current-Mode Control Methods - Practical Operation at Switching Frequencies to 1 MHz - 50-ns Propagation Delay to Output - High-Current Dual Totem Pole Outputs (2-A Peak) - Trimmed Oscillator Discharge Current - Low 100-μA Start-Up Current - Pulse-by-Pulse Current Limiting parator - Latched Overcurrent parator With Full Cycle Restart - Qualified Over the Military Temperature Range (- 55°C to 125°C) 2 Applications - Radiation-Hardened DC-DC Converters - Satellite Buses and Payloads - Space Launch Vehicles - Undersea Cabling - Supports Various...