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Overview
| Topology | Buck Converter |
| Input voltage | 44-60 V |
| Output 1 | 20 V / 12.5 A |
| IC revision | 1.0 |
Description
The EPC9153 demonstration board is a synchronous buck converter with 60 V maximum input voltage, 12.5 A maximum output current, and 12-20 V (default set to 20 V) regulated output voltage. The simplified schematic diagram is shown in Figure 1. It features the 100 V EPC2218 and EPC2038 GaN FETs. Other features include:• High efficiency: 98.2% @ 20 V/12.5 A output• Low profile: 6.5 mm component height• Temperature rise: < 40 °C @ 20 V with 12.5 A output• Constant switching frequency: 400 kHz• Re-programmable• 150% over current for 10 ms• 200% over current for 1 ms• Fault protection:o Input undervoltageo Input overvoltageo Output over voltageo Short circuito Over current
Features
- 44 – 60 VIN to 12 – 20 VOUT
- Constant switching frequency = 400 kHz
- Max component height = 6.5 mm
- Temperature rise: < 40 °C @ 20 V with 12.5 A output
- High efficiency = 98.2% @ 20 V/12.5 A output
Typical applications
- High Performance Computing – computers, displays, thin consumer electronics
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(A) | ISAT(A) | RDC(mΩ) | fres(MHz) | Ti | Ø OD(mm) | Ø ID(mm) | Qty. | ISAT,30%(A) | Core Material | Pins | Type | Mount | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | Packaging Unit4000 | – | – | – | – | – | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length12.7 mm | – | – | – | PackagingBag | – | Rated Current3 A | – | – | – | – | – | – | – | – | – | Pins5 | TypeAngled | MountTHT | Working Voltage250 V (AC) | ||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | Size4018 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length4 mm | Width4 mm | Height1.8 mm | – | – | Inductance68 µH | Rated Current0.54 A | Saturation Current0.63 A | DC Resistance840 mΩ | Self Resonant Frequency9 MHz | – | – | – | Packaging Unit3000 | – | – | – | – | MountSMT | – | ||||
 | WA-SMSI SMT Steel Spacer with internal Thread M2, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SMSI SMT Steel Spacer with internal Thread M2 | – | – | – | – | Operating Temperature -55 °C up to +150 °C | – | – | – | Length1 mm | – | – | – | PackagingTape and Reel | – | – | – | – | – | Inner ThreadM2 | Outer Diameter4.35 mm | Inner Diameter2.8 mm | Packaging Unit1500 | – | – | – | – | – | – | |||
 | WE-HCFT THT High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCFT THT High Current Inductor | – | – | – | Size2504 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length22 mm | Width25.7 mm | Height4.1 mm | – | – | Inductance4.7 µH | Rated Current24 A | Saturation Current14 A | DC Resistance2.77 mΩ | Self Resonant Frequency14.5 MHz | – | – | – | – | Saturation Current @ 30%14 A | Core MaterialMnZn | – | – | MountTHT | – |