200 to 1000W Planar Transformers
Description
Payton SIZE 80 provides a planar solution for medium power applications such as providing high efficiency, low EMI, excellent repeatability, low profile and weight with an operating temperature range of -40°C to +130°C.
Transformer Application
| POWER CAPACITY | DIMENSIONS (mm) | TYPICAL WEIGHT | DIELECTRIC ISOLATION | OPERATING VOLTAGE | OPERATING CURRENT (RMS) |
|---|---|---|---|---|---|
| 200W, forward at 150 kHz 1000W, full bridge at 1 MHz | L=36-48 W=34 H=8-14 | 45 gr. | Up to 5k Vrms | 500 Vpeak max. | 100 A max. |
- Typical efficiency: 97-99%
- Recommended frequency range: 100 kHz - 2.5 MHz.
- Topologies (in order of preference): Full bridge; Half bridge; Push-Pull; Forward; Flyback; Boost; Buck; Resonant topologies.
- Mounting Options: a. Horizontal, b. Vertical
Inductor Application
| STANDARD AL(nH/t2) | 1600 | 1000 | 630 | 400 | 315 | 160 |
|---|---|---|---|---|---|---|
| TYPICAL VALUE OF MAX. Amper Turns | 15 | 30 | 50 | 85 | 103 | 206 |
AL values not listed are available upon request.
Typical Thermal Impedance For Different Cooling Conditions
| NATURAL COOLING (Hot Spot - Air) | BLOWING AIR 3 m/sec (Hot Spot-Air) | ONE SIDE HEATSINK (Hot Spot - Heatsink) | TWO SIDES HEATSINK (Hot Spot-Heatsink) |
|---|---|---|---|
| 16 °C/W | 10 °C/W | 5 °C/W | 2.5 °C/W |
EXAMPLE: Transformer Type T80 AC P.N. 500510
This T080DC-3-2-1, medium power, high frequency, small dimensional planar transformer is developed for a high power density DC-DC converter and may be used in UPS applications, providing the following specifications:
| Transformer Specifications | Value |
|---|---|
| Total output power | 600 W (12V/50A; 12V/0.05A) |
| Operating frequency range | 200 kHz |
| Input voltage range | 45-55 V |
| Topology | Full Bridge, ZVT with current doubler |
| Max. Volt-Sec. product | 181.5 V-µSec |
| Duty cycle | 0.809 |
| Primary current | 18.36 Arms (18.36 Apeak) |
| Primary inductance | 48 µH ±30% |
| Primary Leakage inductance, max. | 100nH |
| Primary to Sec. ratio | 3:2 |
| Primary to Aux. ratio | 3:1 |
| Dielectric strength pri. + aux. to sec. | 1500 Vdc |
| Dielectric strength pri.+aux.+sec. to core | 750 Vdc |
| Ambient temperature | -40 °C to +60 °C |
| Total losses (With 1.5 m/sec. blowing air) | 4.8 W |
| Hot spot temperature (With 1.5 m/sec. blowing air) | 115 °C max. |
| Weight | 45 gr. |
