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UC2875-EP - Phase Shift Resonant Controller

Datasheet Summary

Description

ordering information The UC2875 integrated circuit 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 per

Features

  • include an undervoltage lockout which maintains all outputs in an active-low state until the supply reaches a 10.75 V threshold. 1.5 V hysteresis is built in for reliable, boot-strapped chip supply. Over-current protection is provided, and will latch the outputs in the OFF state within 70 ns of a fault. The current-fault circuitry implements full-cycle restart operation. Additional features include an error amplifier with band-width in excess of 7 MHz, a 5 V reference, provisions for soft-starti.

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Datasheet preview – UC2875-EP

Datasheet Details

Part number UC2875-EP
Manufacturer Texas Instruments
File Size 487.51 KB
Description Phase Shift Resonant Controller
Datasheet download datasheet UC2875-EP Datasheet
Additional preview pages of the UC2875-EP datasheet.

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Full PDF Text Transcription

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ą D Controlled Baseline − One Assembly/Test Site, One Fabrication Site D Extended Temperature Performance of −25°C to 110°C D Enhanced Diminishing Manufacturing Sources (DMS) Support D Enhanced Product Change Notification D Qualification Pedigree† D Zero to 100% Duty Cycle Control D Programmable Output Turn-On Delay D Compatible with Voltage or Current Mode Topologies D Practical Operation at Switching Frequencies to 1 MHz D Four 2 A Totem Pole Outputs D 10 MHz Error Amplifier D Under-Voltage Lockout † Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range.
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