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IC manufacturers (108)

reference designEPC2304 | Demoboard EPC91107KIT

EPC EPC2304 | Demoboard EPC91107KIT

Overview

TopologyPower Factor Correction
Input voltage200-277 V
Output 1400 V
IC revision2.0

Description

The EPC91107KIT evaluation board is a 4-Level Totem-Pole PFC evaluation board featuring the EPC2304 GaN FET, rated at 200 V, 3.5 mΩ (typical). The EPC91107KIT can deliver 12.5 A at 400 VDC output.

Features

Designed for Open Compute Project (OCP) serversMaximum power: 5 kWOutput: 400 VDC – 12.5 AInput: 200 VAC_RMS – 277 VAC_RMS, max. 25 AAC_RMSPower density: 170 W/in3Efficiency meets 80 PlusMeets OCP iTHDSwitching frequency: 420 kHz (3 x 140 kHz)Digital control: Microchip DSP

Typical applications

  • Telecom and 5G Power Supplies
  • High power audio power supply
  • AI Servers and Data Centers

More information

Parts approved by EPC

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
IR(mA)
IR 2(mA)
ISAT(mA)
RDC(mΩ)
fres(MHz)
Type
IR(A)
L(µH)
RDC max.(mΩ)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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74479763222
SPECWE-PMI Power Multilayer Inductor, 550 mA, 800 mA
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PMI Power Multilayer Inductor
Rated Current550 mA
Rated Current 2800 mA
Saturation Current280 mA
DC Resistance300 mΩ
Self Resonant Frequency80 MHz
TypeLow RDC 
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Inductance2.2 µH
DC Resistance375 mΩ
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–
–
Length1.6 mm
Width0.8 mm
Height0.9 mm
MountSMT 
–Check availability
7448052502
SPECWE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, –
Simu­lation
Availability
–
Downloads11 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline
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–
–
–
–
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Rated Current25 A
Inductance2500 µH
DC Resistance2.2 mΩ
Rated Voltage300 V (AC)
Insulation Test Voltage2100 V (AC)
MaterialNanocrystalline 
Length36 mm
Width23 mm
Height34 mm
MountTHT 
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Additional parts recommended by Würth Elektronik

Recommended parts are Würth Elektronik alternatives that are not formally approved for this reference design. Please verify it is suitable for your application, and contact us if you have any questions.

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IR(mA)
ISAT(A)
RDC(mΩ)
fres(MHz)
H(mm)
W(mm)
IR(A)
Q
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(mΩ)
Type
SamplesAvailability & Sample
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74404042022
SPECWE-LQS SMT Power Inductor, 2.2 µH, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LQS SMT Power Inductor
Inductance2.2 µH
–
Saturation Current3.4 A
DC Resistance42 mΩ
Self Resonant Frequency70 MHz
Height1.8 mm
Width4 mm
Rated Current2.2 A
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–
–
–
–
–
–
–Check availability
74479777310A
SPECWE-PMI Power Multilayer Inductor, 10 µH, 600 mA
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PMI Power Multilayer Inductor
Inductance10 µH
Rated Current600 mA
Saturation Current0.12 A
DC Resistance300 mΩ
Self Resonant Frequency35 MHz
Height1.25 mm
Width1.2 mm
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Q-Factor20 
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–
–
Rated Current 2900 mA
DC Resistance375 mΩ
TypeLow RDC 
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744032680
SPECWE-LQ SMT Inductor, 68 µH, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LQ SMT Inductor
Inductance68 µH
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Saturation Current0.3 A
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Self Resonant Frequency9 MHz
Height2 mm
Width2.5 mm
Rated Current0.13 A
Q-Factor35 
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–
–
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DC Resistance3800 mΩ
–
–Check availability
742792624
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, 1000 mA
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Rated Current1000 mA
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–
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Height0.8 mm
Width0.8 mm
Rated Current1 A
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Impedance @ 100 MHz180 Ω
Maximum Impedance250 Ω
Maximum Impedance400 MHz 
Rated Current 21500 mA
DC Resistance90 mΩ
TypeHigh Current 
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