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Texas Instruments UCC28742 | Demoboard PMP31193
3-Phase Input Valley Switching Flyback With Two Outputs Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 332-459 V |
| Output 1 | 23 V / 1 A |
| IC revision | 1 |
Description
This reference design uses the UCC28742 flyback controller to generate two outputs (23 V at 1.0 A, 5.0 V at 0.15 A) from a 3-phase input. The UCC28742 uses an optical coupler to regulate the output and to improve transient response. The valley-switching technique reduces switching losses and keeps the efficiency high
Typical applications
- water heater
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890334025027RP | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 220 nF | 310 | X2 | 180 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 15 | 18 | 6 | 11.5 | 19" Tape & Reel | – | – | – | – | – | Boxed THT | ||
 | 7447471222 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TIS Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | 11 | 11 | 11.5 | – | 2200 | 0.31 | 0.46 | 5700 | 0.74 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890334025027RP | SPEC | |
| 7447471222 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | W (mm) | H (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples |
|---|
