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Texas Instruments UCC28911 | Demoboard TIDA-00618.1
8.5W Dual Output (5V/12V) Universal Input AC/DC Isolated Flyback Reference Design with PSR
Overview
| Topology | Flyback Converter |
| Input voltage | 90-265 V |
| Output 1 | 5 V / 0.5 A |
| Output 2 | 12 V / 0.5 A |
| IC revision | E1 |
Description
The TIDA-00618 reference design is a Primary Side Regulation switcher which provides isolated dual outputs, 5V and 12V rails, with DC stacking of the secondaries to provide output voltage regulation that is equivalent to op-to-coupler based solution.Low system parts count and built in advanced protection features result in a cost-effective solution with an average efficiency of nearly 75% at 230V
Features
- Isolated 5V and 12V output at 500mA maximum
- Conducted EMI compliant
- 100ms typical start-up time
- Primary side control eliminates need for op-to coupler
- Input under & Output over voltage protection
- Primary over current protection
- Controlled start up and restart after fault Protection
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | ISAT (A) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | IR (A) | RDC max. (Ω) | fres (MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750315146 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 85 - 265 V (AC) | 5 | 0.5 | 7 | 0.5 | 17 | 115 | 750 | 15.83:1.17:1:3 | 1 | 2750 | 19 | 18.5 | 13 | THT | EPC17 | – | – | – | – | ||
 | 7447462471 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | 470 | – | 0.4 | – | 6 | 6 | 8.5 | THT | 5075 | 0.35 | 2.4 | 3.4 | Heat Shrinking Tube |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 750315146 | SPEC | |
| 7447462471 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | ISAT (A) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | IR (A) | RDC max. (Ω) | fres (MHz) | Version | Samples |
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