1kW to 10kW Planar Transformers
Description
Payton SIZE 270 provides a patented planar isolation solution for high power applications (such as welding, induction heating etc.). It offers 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) |
|---|---|---|---|---|---|
| 1kW, forward at 50 kHz 10kW, full bridge at 250 kHz | L=110 W=47 H=22 | 300 gr. | 500 VDC-4k Vrms | 1000 Vpeak max. | 700 A max. |
- Typical efficiency: 97-99%
- Recommended frequency range: 50 kHz - 1.0 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 | 250 | 160 |
|---|---|---|---|---|---|---|---|
| TYPICAL VALUE OF MAX. Amper Turns | 86 | 140 | 235 | 345 | 415 | 520 | 645 |
AL values not listed are available upon request.
Typical Thermal Impedance For Different Cooling Conditions
| NATURAL COOLING (Hot Spot - Air) | BLOWING AIR 3m/sec (Hot Spot-Air) | ONE SIDE HEATSINK (Hot Spot - Heatsink) | TWO SIDES HEATSINK (Hot Spot-Heatsink) |
|---|---|---|---|
| 5.0 °C/W | 2.8 °C/W | 2.0 °C/W | 1.0 °C/W |
EXAMPLE: Inductor Type I270 P.N. 16022 (PFC Inductor)
This I270-300μΗ/15A, high frequency, Power Factor Correction (PFC) planar Inductor is developed for a high power density DC-DC converter.
| Inductor Specifications | Value |
|---|---|
| Inductance L | 300 µH +10%/-20% |
| Operating frequency | 100 kHz |
| RMS current, max | 9 Arms, at 100-120 Hz |
| Peak of ripple current | 2 Apeak, at 100 kHz. |
| Peak of total current | 15 Apeak max. |
| Dielectric strength | 1800 Vrms |
| Ambient temperature | -40 °C to +85 °C |
| Total losses (With 95 °C heat sink) | 7W |
| Hot spot temperature (With 95 °C heat sink) | 100 °C max. |
| Temperature class of insulation system | "F" (150 °C) |
| Weight | 320 gr. |
