Summary of Contents for EPC EPC91116
- Page 1 Evaluation Board EPC91116 Quick Start Guide High Frequency 40 V, 17 A Laser Driver using EPC2203 March 25, 2025 Version 1.0...
- Page 2 QUICK START GUIDE Evaluation Board EPC91116 DESCRIPTION Table 1: Electrical Specifications (TA = 25°C) EPC91116 The EPC91116 is a demonstration board suitable for driving laser diodes with short current pulses, achieving minimum pulse widths as low as Symbol Parameter Units 5 ns.
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Page 3: Main Features
• The input pulse can be sourced from wide range of logic family voltage levels The EPC91116 has a set of pads which can be used as is to mount a laser diode or alternative load. Figure 2 highlights the output pad OPERATING PRINCIPLE locations. - Page 4 3. Using tweezers or other means, pick up the laser or alternative load. Carefully position the assembly with the bottom side pads of the laser or load facing the top side of the EPC91116 on the U1 footprints so that EPC2203 the pads are aligned and set in place.
- Page 5 The schematic and layout files for the EPC9989 interposer can be found on probe impedance on the operation of the demo board and prevent the main information pages for the EPC91116. In addition, a PCB footprint is overheating of the probe input resistors, the output voltage (J3) and available so that the user may design their own custom interposer.
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Page 6: Quick Start Procedure
QUICK START GUIDE Evaluation Board EPC91116 QUICK START PROCEDURE The EPC91116 demonstration board is simple to set up for evaluation of the performance of the EPC2203 eGaN FETs. Logic Note polarity Optional bus capacitor Laser diode or load Oscilloscope (50 inputs) Signal generator Figure 5. -
Page 7: Advanced Features
U2 also has a logic level translator capable of accepting signal is divided into two separate paths, each passing through a dual input LVCMOS levels from 1.2 to 5.5 V. The EPC91116 is designed so input/output buffer. Please refer to the short pulse generator schematic. -
Page 8: Performance Examples
Figure 9. Resistive load waveforms for a single pulse (left) and a 20-cycle burst at 25 MHz waveform (right), both operating at 10 V supply and 1.2 Ω Ω load resistance. EPC – POWER CONVERSION TECHNOLOGY LEADER | EPC-CO.COM | ©2025 | For more information:... - Page 9 Figure 12 shows waveforms from the beginning of a 1000-cycle, 50 MHz burst at at a burst repetition frequency of 100 Hz waveform, driving a laser load. The laser sup- ply voltage is V = 5 V and and the laser is an ams OSRAM EGA2000-940-W VCSEL mounted directly to the EPC91116 (without interposer). For support files including schematic, Bill of Materials (BOM), and gerber files please visit the EPC91116 landing page at: https://epc-co.com/epc/products/evaluation-boards/EPC91116...
- Page 10 The EPC9179/80/81 boards are intended for product evaluation purposes only. They are not intended for commercial use nor is it FCC approved for resale. Replace components on the Evaluation Board only with those parts shown on the parts list (or Bill of Materials) in the Quick Start Guide. Contact an authorized EPC representative with any questions.
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