5 to 15W Planar Inductor
Description
Payton SIZE 14 provides a planar solution for low 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) |
|---|---|---|---|---|---|
| 5W, flyback at 100 kHz 15W, forward at 500 kHz | L=15-20 W=15 H=5-7 | 5 gr. | Up to 750 Vrms | 100 Vpeak max. | 10 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) | 630 | 400 | 315 | 160 | 100 | 63 |
|---|---|---|---|---|---|---|
| TYPICAL VALUE OF MAX. Amper Turns | 5 | 9.5 | 12.5 | 31 | 45 | 88 |
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) |
|---|---|---|---|
| 65 °C/W | 40 °C/W | 20 °C/W | 10 °C/W |
EXAMPLE: Inductor Type I14 P.N. 16728
This I14-50μΗ/1.5A, high frequency, small dimensional planar inductor is developed for a high power density DC-DC converter, providing the following specifications:
| Inductor Specifications | Value |
|---|---|
| Inductance L | 50 µH ±10% |
| Operating frequency | 175-225 kHz |
| DC current | 1.5 Adc max. |
| Peak of ripple current | 0.15 Apeak max. |
| Peak of total current | 1.65 Apeak max. |
| Dielectric strength | 500 Vdc |
| Ambient temperature | -10 °C to +50 °C |
| Total losses (Natural cooling) | 0.4 W |
| Hot spot temperature (Natural cooling) | 75 °C max. |
| Weight | 3.5 gr. |
