P350_2kW-6kW_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 P350
Power Range 2kW-6kW
Highlights
•t Anodized aluminum heatsinks offering high thermal
conductivity and removing heat from windings
•t Patented (U.S. Patent 7,460,002) terminals offer mechanical strength and very low resistance
•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
•t Various terminal options available (SMD, Thru-hole,
screw terminals)
“Application Engineering Experts”
CUSTOM IS S TA N D A R D
Total output power
(28VDC@130A)
Operating frequency
Input voltage range
Topology
3.6kW
200 kHz
500-800 VDC
Full Bridge
LLC Resonant
Max volt-µsec product 2017
Duty cycle
81 %
Primary current
9.3 Arms
Secondary current
Pri-sec turns ratio
Dielectric strength
Pri-sec/pri-core
Isolation sec-core
Ambient temperature
Total losses
Hot spot temperature
Approx. Weight
92 Arms
14:1+1
3,000 VDC
1,000 VDC
85 °C
23.4 W
120 °C
270 grams
Notes: Assumes transformer is cooled by a coldplate @ 75°C max.
:: DE S I G N E X A M P L E : :
Customize beyond these examples!
Rated power 2kW-6kW / Frequency range 40-150kHZ
Topology - Full Bridge, Half Bridge, Full Bridge ZVS,
Push-Pull
Current rating max. 300A
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.
BUS BAR TERMINATION
51.0 mm
40.6 mm
5.1 mm
74.2 mm
U.S. PAT. 7,460,002
22.9 mm
These models are for reference only and may NOT exactly match the design examples provided.
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