The UC1875-SP implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies.
Key Features
1 QML-V Qualified, SMD 5962-94555.
Rad-Tolerant: 50 kRad (Si) TID (1).
Zero to 100% Duty Cycle Control.
Programmable Output Turn-On Delay.
Compatible with Voltage or Current Mode
Topologies.
Practical Operation at Switching Frequencies to
1 MHz.
Full PDF Text Transcription for UC1875-SP (Reference)
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UC1875-SP. For precise diagrams, and layout, please refer to the original PDF.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UC1875-SP SLUSAQ9B – DECEMBER 2011 – REVISED DECEMBER 2015 UC1875-SP Rad-Tolerant Cla...
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Q9B – DECEMBER 2011 – REVISED DECEMBER 2015 UC1875-SP Rad-Tolerant Class-V, Phase Shift Resonant Controller 1 Features •1 QML-V Qualified, SMD 5962-94555 • Rad-Tolerant: 50 kRad (Si) TID (1) • Zero to 100% Duty Cycle Control • Programmable Output Turn-On Delay • Compatible with Voltage or Current Mode Topologies • Practical Operation at Switching Frequencies to 1 MHz • Four 2-A Totem Pole Outputs • 10-MHz Error Amplifier • Undervoltage Lockout (UVLO) • Low Startup Current – 150 µA • Outputs Active Low During UVLO • Soft-Start Control • Latched Overcurrent Comparator With Full Cycle Restart • Trimmed Reference 2 Application