P220_1kW-3kW_Planar Transformer_en0 pages
DESIGN GUIDE | P l a n a r Tr a n s f o r m e r s & I n d u c t o r s
SIZE P220
Power Range 1kW-3kW
Highlights
•t High efficiency (low losses), ultra compact, low-profile
•t Excellent solderability (Pb-free or Pb/Sn Solder)
•t Standard sizes / customer configurations
•t Quick custom turn-around often without start-up or tooling costs
•t Inductors available for design in all packages
•t Large secondary pins reduce temperature rise on
terminals
“Application Engineering Experts”
CUSTOM IS S TA N D A R D
Total output power
(24VDC@40A)
Operating frequency
Input voltage range
Topology
Max volt-µsec product
Duty cycle
Primary current
Secondary current
1.0kW
Pri-sec turns ratio
12:2+2
140 kHz
180-325 VDC
Forward
540
84 %
9.7 Arms
26 Arms
Dielectric strength
Pri-sec/pri-core
Isolation sec-core
Ambient temperature
Total losses
Hot spot temperature
Approx. Weight
4,000 VDC
500 VDC
50 °C
12 W
116 °C
220 grams
Customize beyond these examples!
Rated power 1KW-3kW / Frequency range 60-200kHZ
Topology - Full Bridge, Half Bridge, Full Bridge ZVS,
Push Pull
Current rating max. 250A
Isolation voltage pri-sec/pri-core 500- 5,000VDC
Soft switching, single or multiple outputs
Different switching frequencies, input/output voltages
Primary turns - other number (no fractions)
Secondary Ns1, Ns2 / Ns3 turns 1- 8 (no fractions)
Thermal solutions heat sinks, etc.
Notes: Assumes transformer is cooled by a coldplate @ 75°C max.
:: DES I G N E X A M P L E : :
THROUGH HOLE / J-HOOK MOUNT
40.6 mm
30.5 mm
3.8 mm
52.0 mm
16.6 mm
These models are for reference only and may NOT exactly match the design examples provided.
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