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Overview
| Topology | Half-Bridge Converter symmetrical isolated |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 15 A |
| IC revision | A |
Description
The UCC25661 evaluation module (EVM) assists designers to evaluate the operation and performance of the UCC25661x LLC Resonant controller (16-pin SOIC package with removed pins for high voltage clearance). This evaluation module demonstrates how UCC25661x controls the LLC resonant half bridge DC-DC converter to achieve high efficiency through out the load and input voltage range.
Features
IPPC controlled (Input power proportional control) LLC resonant half-bridge DC-DC power conversionDC line input from 365VDC to 410VDCAC input voltage from 85VDC to 265VACRegulated 12VDC typical outputFull-load power of 180W, or full-load current of 15AHigh efficiencyEnhanced light load management:High frequency pulse skip for improved light load efficiencyLow frequency burst for reduced standby powerAudible frequency range skip for reduced audible noiseUser option to disableIntegrated PFC on/off control signalLF burst soft on/soft off for reduced audible noiseCombined resonant current and resonant capacitor voltage sensing through one pinAdaptive dead-timeX-capacitor dischargeAutomatic capacitive region avoidanceAdaptive soft start with minimized inrush currentComplete sets of protections:Cycle-by-cycle current limit, OCP1 protectionConfigurable over power protectionOVP, internal and external OTPVin and VCC UVLOInbuilt 19.5V VCC clampTest points to facilitate device and topology evaluation
Typical applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Samples |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 150 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance150 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0402 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | ||||
750344018 | Power Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – |