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Texas Instruments UCC28740 | Demoboard PMP41015
40-W AC-DC isolated power supply reference design for industrial PLC application
Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| Output 1 | 24 V / 1.8 A |
| IC revision | 001 |
Description
This reference design provides 40W isolated 24-V and 5-V output with fly-back topology. The power supply can be powered from 90-264VAC Input. This design uses valley switching fly-back controller UCC28740 controller. The design achieves peak efficiency 86% and can support 3000uF capacitive load with startup time less than 500mS, it is a single side component placement PCB design which benefit manufacture cost.
Features
Universal AC Input range 90Vac to 264Vac86% peak EfficiencyStartup time < 500mS at 3000uF output capacitor full load conditionProvide AC zero crossing signalSingle side component placement PCB designPass EMI
Typical applications
- Analog-controlled industrial AC/DC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | fres (MHz) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709821 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 1.05 | 1.2 | 1210 | Standard | 1.1 | 1.35 | – | 0.95 | 820 | 1000 | – | – | – | 12 | 12 | 10 | SMT | ||
 | 7443331000 | 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. | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 6.7 | 35 | 1090 | SMT | 9.4 | 11.7 | 5.5 | 9 | 10 | 23.1 | – | – | Ferrite | 10.9 | 10 | 9.3 | SMT | ||
 | 744823220 | SPEC | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | M | THT | – | – | – | 1.5 | 20000 | 270 | 250 | 1500 | MnZn | 23 | 13.8 | 25.5 | THT | ||
 | 750343092 | SPEC | – | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Inductor | – | – | Toroid | – | – | – | – | – | 5500 | – | – | 1500 | – | 8.89 | 14 | 18.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709821 | SPEC | |
| 7443331000 | 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. | |
| 744823220 | SPEC | |
| 750343092 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | fres (MHz) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|
