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Texas Instruments UCC28740-Q1 | Demoboard PMP41009 REV A
Automotive ultra low standby, flyback controller with integrated HV startup and optocoupler feedback
Overview
| Topology | Flyback Converter |
| Input voltage | 350-1000 V |
| Output 1 | 14 V |
Description
This reference design provides isolated 14-V and 56-W outputs with a quasi-resonant flyback topology. The power supply can be powered from the 350-V to 1000-V DC input. This design uses cascode MOSFETs and flyback controller UCC28740-Q1. The line and load regulation are regulated to within ±1% precision. The peak efficiency is 84.6% at 1000-V input and 56-W output.
Features
- Wide input range: 350-V to 1000-V DC
- High-precision output voltage
- Peak efficiency 84.6% at 1000-V input and 56-W output
- Quasi-resonant mode controller improves EMI performance
Typical applications
- Traction inverter HV to LV backup supply, HVAC compressor HV isolated power supply, PTC heater HV isolated power supply
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 1 µH, 8.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1 µH | Rated Current8.5 A | Saturation Current @ 10%8.5 A | DC Resistance0.015 Ω | Self Resonant Frequency140 MHz | VersionHeat Shrinking Tube | ||||
750345192 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | – | – | – |