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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 (Value) (pcs) | Application | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744373240033 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 2 | – | – | – | – | – | 10.5 | 11.2 | 22 | 143 | – | 0.33 | 8.6 | – | – | – | 4.45 | 4.06 | 1.8 | SMT | ||
 | 691214310002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | 10 | – | – | – | – | – | 7.62 | – | – | THT | |
 | 744821150 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | 4 | – | – | – | – | – | – | – | – | – | 1 | 5000 | 220 | 250 | 1500 | MnZn | 15 | 7.8 | 18 | THT | ||
 | 7447031 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | 2 | 140 | 110 | – | – | – | 13.5 | 8.6 | – | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744373240033 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 691214310002 | SPEC | – |
| 744821150 | SPEC | |
| 7447031 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | 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 |
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