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UC1875J
Integrated Circuits (ICs)

UC1875L

Active
Texas Instruments

RESONANT CONTROLLER 500MA 1000KHZ 28-PIN CLLCC TUBE

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Search across all available documentation for this part.

DocumentsPhase Shift Resonant Controller datasheet (Rev. C)Phase Shifted Full Bridge, Zero Voltage Transition Design Considerations (Rev. A)
UC1875J
Integrated Circuits (ICs)

UC1875L

Active
Texas Instruments

RESONANT CONTROLLER 500MA 1000KHZ 28-PIN CLLCC TUBE

Deep-Dive with AI

DocumentsPhase Shift Resonant Controller datasheet (Rev. C)Phase Shifted Full Bridge, Zero Voltage Transition Design Considerations (Rev. A)

Technical Specifications

Parameters and characteristics for this part

SpecificationUC1875L
ApplicationsResonant Converter Controller
Current - Supply30 mA
Mounting TypeSurface Mount
Operating Temperature [Max]125 °C
Operating Temperature [Min]-55 °C
Package / Case28-CLCC
Supplier Device Package28-LCCC
Supplier Device Package [x]11.43
Supplier Device Package [y]11.43
Voltage - Input [Max]5.3 V
Voltage - Input [Min]-3 V
Voltage - Supply [Max]20 V
Voltage - Supply [Min]9.25 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
Texas InstrumentsTUBE 1$ 49.83
100$ 44.29
250$ 36.41
1000$ 32.57

Description

General part information

UC1875 Series

The UC1875 family of integrated circuits 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. This family of circuits may be configured to provide control in either voltage or current mode operation, with a separate over-current shutdown for fast fault protection.

A programmable time delay is provided to insert a dead-time at the turn-on of each output stage. This delay, providing time to allow the resonant switching action, is independently controllable for each output pair (A-B, C-D).

With the oscillator capable of operation at frequencies in excess of 2MHz, overall switching frequencies to 1MHz are practical. In addition to the standard free running mode, with the CLOCKSYNC pin, the user may configure these devices to accept an external clock synchronization signal, or may lock together up to 5 units with the operational frequency determined by the fastest device.