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Overview
| Topology | Flyback Converter |
| Input voltage | 180-264 V |
| Output 1 | 15 V / 0.02 A |
| Output 2 | 5 V / 0.03 A |
| Output 3 | 15 V / 0.02 A |
| IC revision | B |
Description
180-VAC - 264-VAC input multiple output flyback reference designThis offline flyback reference design uses the UCC28740 controller to generate 3 isolated outputs (5 V at 30 mA, 15 V at 20 mA, 15 V at 20 mA) from an AC input (180 VAC - 264 VAC). The design can provide 750-mW output power. The UCC28740 uses an optical coupler to regulate the 5-V output and to improve transient response. The valley-switching technique reduces switching losses and keeps the efficiency high.
Features
180 VAC - 264 VAC input to 3 isolated outputsValley-switching operation for highest overall efficiencyOptocoupled feedback for constant voltage regulation
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, 1000 µH, 0.25 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1000 µH | Rated Current0.25 A | Saturation Current @ 10%0.27 A | DC Resistance6 Ω | Self Resonant Frequency2.3 MHz | VersionHeat Shrinking Tube | ||||
 | 750317696 | Offline Transformer, 2500 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | Inductance2500 µH | – | – | – | – | – |