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Overview
| Topology | Buck Converter |
| Input voltage | 44-60 V |
| Output 1 | 19 V / 12.5 A |
| IC revision | 1.0 |
Description
The EPC9148 demonstration board is a 60 V maximum input voltage,12.5 A maximum output current, 19 V output voltage, ultra-thin threelevel synchronous buck converter with only 3.5 mm component height. It features the 40 V EPC2055 and the 100 V EPC2053 and EPC2038 GaN FETs and the new Würth Elektronik super thin inductor 7443762504022. The purpose of this demonstrate board is to simplify the evaluation of GaN FET-based multi-level synchronous buck converter.
Features
- 44 – 60 VIN to 5 – 20 VOUT
- FSW = 400 kHz, Max height < 4mm
- Peak efficiency = 98%, Up to 12.5 A
Typical applications
- High Performance Computing – ultra-thin laptops, high-end gaming systems
More information
Application Notes
All technical functions in detail
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | ISAT (A) | RDC (mΩ) | fres (MHz) | Tol. L | RDC max. (mΩ) | Core Material | Ti | Ø OD (mm) | Ø ID (mm) | Qty. | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012005058 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 33 pF | ±5% | 50 | 0402 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | 10000 | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205067 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 10 nF | ±10% | 50 | 0402 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | 10000 | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012205052 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 22 nF | ±10% | 25 | 0402 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | 10000 | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012105012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | 1 µF | ±20% | 10 | 0402 | -55 °C up to +85 °C | – | 15 | 0.05 GΩ | X5R Class II | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | 10000 | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012206076 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 1 µF | ±10% | 25 | 0603 | -55 °C up to +125 °C | – | 10 | 0.5 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | 4000 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 62130621021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 1.27 mm SMT Dual Pin Header, H=3.80 mm | – | – | – | – | -40 °C up to +105 °C | – | – | 500 MΩ | – | 3.81 | – | – | – | – | – | – | – | – | – | – | – | – | 600 | 6 | Dual | – | Pin Header | Straight | 1 | Tape and Reel with Cap | |
 | 74404042680 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | 4018 | -40 °C up to +125 °C | – | – | – | – | 4 | 4 | – | 68 | 0.63 | 840 | 9 | ±20% | – | – | – | – | – | 3000 | – | – | 1.8 | – | – | 0.54 | – | ||
 | 9774010243R | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SMSI SMT Steel Spacer with internal Thread M2 | – | – | – | – | -55 °C up to +150 °C | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | M2 | 4.35 | 2.8 | 1500 | – | – | – | – | – | – | Tape and Reel | |
 | 7443762504022 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCFT THT High Current Inductor | – | – | – | 2504 | -40 °C up to +125 °C | – | – | – | – | 22 | 25.7 | – | 2.2 | 23.8 | 1.78 | 23 | ±20% | 1.96 | MnZn | – | – | – | – | – | – | 4.1 | – | – | 30 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012005058 | SPEC | |
| 885012205067 | SPEC | |
| 885012205052 | SPEC | |
| 885012105012 | SPEC | |
| 885012206076 | SPEC | |
| 62130621021 | SPEC | – |
| 74404042680 | SPEC | |
| 9774010243R | SPEC | – |
| 7443762504022 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | L (µH) | ISAT (A) | RDC (mΩ) | fres (MHz) | Tol. L | RDC max. (mΩ) | Core Material | Ti | Ø OD (mm) | Ø ID (mm) | Qty. | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|
Suitable Reference Designs
How to Design a Synchronous Buck Converter Using eGaN® FETs
How to Design a Synchronous Buck Converter Using eGaN® FETs