P135_300W-1200W_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 P135
Power Range 300W-1.2kW
“Application Engineering Experts”
CUSTOM IS S TA N D A R D
Total output power
(12VDC@50A)
Operating frequency
Input voltage range
Topology
Max volt-µsec product
Duty cycle
Primary current
Secondary current
600W
Pri-sec turns ratio
20:1+1
200 kHz
370-410 VDC
Full Bridge ZVS
1216
66 %
2.9 Arms
35.4 Arms
Dielectric strength
Pri-sec/pri-core
Isolation sec-core
Ambient temperature
Total losses
Hot spot temperature
Approx. Weight
4,000 VDC
500 VDC
60 °C
6.0 W
108 °C
100 grams
Notes: Assumes transformer is cooled by airflow only @ 200°C LFM
:: DE S I G N E X A M P L E : :
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
Customize beyond these examples!
Rated power 300W-1.2kW / Frequency range 100-250kHZ
Topology - Full Bridge, Half Bridge, Full Bridge ZVS,
Push-Pull
Current rating max. SMD=20A, TH = +30%
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.
THROUGH HOLE / J-HOOK MOUNT
32.1 mm
22.9 mm
2.5 mm
43.0 mm
15.7 mm
These models are for reference only and may NOT exactly match the design examples provided.
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