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Texas Instruments UCC28722DBV | Demoboard PMP10397
Ultra-wide Input range, Dual Output, Offline AC/DC Bias Supply with PSR control and BJT switch
Overview
| Topology | Flyback Converter |
| Input voltage | 85-528 V |
| Output 1 | 5 V / 0.3 A |
| Output 2 | 15 V / 0.1 A |
| IC revision | A |
Description
This design uses low cost primary side regulation (PSR) IC UCC28722 with a bipolar transistor for ultra-wide input range applications (85VAC to 528VAC). Two outputs with separated grounds, 5V/0.3A and 16.5V/0.1A are generated.
Features
- Ultra-wide AC input range: 85VAC-528VAC
- Dual Output with separated grounds, 5V/0.3A and 16.5V/0.1A
- 3W Maximum output power rating at efficiency of 63.6% at 85Vac, 61.7% at 528Vac
- Low cost, 800V bipolar transistor as primary switch for Flyback converter
- Total 18% output cross-regulation on 5V rail, from no load to full-load
- Total 13% output cross-regulation on 15V rail, from no load to full-load
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, 100 µH, 0.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance100 µH | Rated Current0.8 A | Saturation Current @ 10%0.8 A | DC Resistance0.65 Ω | Self Resonant Frequency7.1 MHz | VersionHeat Shrinking Tube |