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Overview
| Topology | Flyback Converter |
| Input voltage | 85-480 V |
| Output 1 | 24 V / 0.62 A |
| IC revision | C |
Description
This reference design uses a UCC28742 flyback controller and an ATL432LI shunt reference to produce an isolated 24-V output capable of 0.625 A from an 85-V to 480-Vac input. All components are placed on one side of the board to reduce complexity and cost. The design can achieve 80% efficiency across various input conditions.
Features
- Compact size (2" x 3.31") minimizes solution size area
- Single-side assembly and 2-layer PCB for reduced manufacturing costs
- Low noise output of less than 100-mV peak-to-peak voltage ripple for sensitive loads
Typical applications
- Electricity meter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | fres(MHz) | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Pins2 | – | – | – | – | Performance Rated Current10.5 A | Saturation Current @ 10%11.2 A | Saturation Current @ 30%22 A | Self Resonant Frequency143 MHz | – | Inductance0.33 µH | DC Resistance8.6 mΩ | – | – | – | Length4.45 mm | Width4.06 mm | Height1.8 mm | MountSMT | ||||
 | WR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | Rated Current10 A | – | – | – | – | – | Length7.62 mm | – | – | MountTHT | |||
 | WE-CMB Common Mode Power Line Choke, 4, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | Pins4 | – | – | – | – | – | – | – | – | Rated Current1 A | Inductance5000 µH | DC Resistance220 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | Rated Current2 A | Inductance140 µH | DC Resistance110 mΩ | – | – | – | Length13.5 mm | Width8.6 mm | – | MountTHT |