300 to 1000W Planar Transformers
Description
Payton SIZE 200 provides a planar solution for medium power applications (such as telecommunication) 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) |
|---|---|---|---|---|---|
| 300W, forward at 100 kHz 1000W, full bridge at 200 kHz | L=40-80 W=38 H=10-20 | 70 gr. | 500 VDC-4k Vrms | 500 Vpeak max. | 120 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 | 250 | 160 |
|---|---|---|---|---|---|---|---|
| TYPICAL VALUE OF MAX. Amper Turns | 34 | 56 | 89 | 139 | 185 | 234 | 330 |
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) |
|---|---|---|---|
| 12 °C/W | 6.5 °C/W | 3.6 °C/W | 1.8 °C/W |
Example: Transformer Type T200 DC P.N. 13378
This T200DC-9-4C, medium power, high input voltage, high frequency, small dimensional planar transformer is developed for a high power density DC-DC converter, providing the following specifications:
| Transformer Specifications | Value |
|---|---|
| Total output power | 800 W (25 Vdc@32 Adc) |
| Operating frequency | 100 kHz |
| Input voltage range | 110-150 Vdc. |
| Topology | Full bridge, phase shift |
| Max. Volt-Sec. product | 1020 V- µSec |
| Duty cycle | 0.94 max. |
| Primary current | 10.7 Arms |
| Primary to Sec. ratio | 9:2:2 |
| Dielectric strength pri. to sec.+core | 1500 Vdc |
| sec. to core | 500 Vdc |
| Ambient temperature | -40 °C to +50 °C |
| Total losses (With 85 °C heat sink) | 8 W |
| Hot spot temperature (With 85 °C heat sink) | 115 °C |
| Weight | 120 gr. |
