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Overview
| Topology | LLC Resonant Converter |
| Input voltage | 90-265 V |
| Output 1 | 24 V / 10 A |
Description
This reference design is an AC/DC power supply design with critical conduction mode (CRM) PFC and half-bridge LLC series resonant converter that provides 24 V, 240-W continuous, 336-W peak output from a universal input AC voltage (90 VAC to 264 VAC). This design uses UCC28056 CRM/DCM PFC controller, UCC256404 enhanced LLC controller, and UCC24612-2 synchronous rectifier controller with burst mode enabled for low standby power losses. The design achieves 87 mW at 115 VAC and 124 mW at 230 VAC, and it also achieves 93.4% peak efficiency at 115-VAC input and 95.3% peak efficiency at 230-VAC input. The efficiency and power factor numbers also meet both 115-V and 230-V internal 80 PLUS Platinum specifications and DoE level VI requirements.
Features
- 24-V output with 240-W continue and 336-W peak output power capability
- 80 PLUS Platinum compatible performance
- Low, no-load power consumption without using additional auxiliary supply
- 93.4% peak efficiency at 115-VAC input and 95.3% peak efficiency at 230-VAC input
Typical applications
- AC-DC adapter, Power tools
- Lighting
- SMPS power supply for TV, Medical power supply, PC power supply, Gaming console power supply
- Multi-functional printer, Enterprise and cinema projector
More information
All technical functions in detail
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324023028CS | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | Across the mains | 220 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 10 | Carton | ±10% | Pitch 10 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 275 | – | – | 13 | 8 | 14 | Boxed THT | ||
| 890324024005 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | Across the mains | 470 nF | X2 | 280 | 0.1 | 21.28 GΩ | -40 °C up to +105 °C | 12.5 | Bulk | ±10% | Pitch 12.5 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 275 | – | – | 15 | 10 | 16 | Boxed THT | ||
 | 744822301 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | Type S | -40 °C up to +125 °C | – | – | – | 3 | 1 | 35 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT | ||
| 744824310 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | L | -40 °C up to +125 °C | – | – | – | 3 | 10 | 105 | 250 | 1500 | MnZn | 27.5 | 18.5 | 33 | THT | ||
 | 7447021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | 2.5 | 0.1 | 80 | – | – | – | 16.5 | 9.7 | – | THT | |
 | 885012206040 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | 10 nF | – | – | – | 10 GΩ | – | – | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | 3.5 | X7R Class II | 0.4 | – | – | – | 16 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012206048 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | 220 nF | – | – | – | 2.3 GΩ | – | – | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | 5 | X7R Class II | 0.4 | – | – | – | 16 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012106018 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | – | 2.2 µF | – | – | – | 0.05 GΩ | – | – | 7" Tape & Reel | ±20% | 0603 | -55 °C up to +85 °C | 10 | X5R Class II | 0.4 | – | – | – | 16 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 750317259 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750317258 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324023028CS | SPEC | |
| 890324024005 | SPEC | |
| 744822301 | SPEC | |
| 744824310 | SPEC | |
| 7447021 | SPEC | – |
| 885012206040 | SPEC | |
| 885012206048 | SPEC | |
| 885012106018 | SPEC | |
| 750317259 | SPEC | – | |
| 750317258 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|