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NIS5420 Evaluation Board
User's Manual
EVBUM2760/D
Instructions
•
Remove all jumpers from the headers if there are any in place
•
Connect an ohmmeter across the Rlim measurement test points and
set it to 20 W with a small screwdriver
•
Connect a DC supply from Vin to GND and apply 12 V
•
Check that Vout = 12 V, Ven ~ 4.5 V and the green LEDs are on
•
Connect oscilloscope voltage probes to Vin (Ch1), Vout (Ch2),
and EN (Ch4). For Ch3 connect a current probe from the power
supply to Vin
Figure 2. Features of the Evaluation Board
© Semiconductor Components Industries, LLC, 2020
September, 2020 − Rev. 0
EVAL BOARD USER'S MANUAL
Figure 1. The Evaluation Board
1
www.onsemi.com
Publication Order Number:
EVBUM2760/D
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Summary of Contents for ON Semiconductor NIS5420
- Page 1 NIS5420 Evaluation Board User's Manual EVBUM2760/D Instructions • Remove all jumpers from the headers if there are any in place www.onsemi.com • Connect an ohmmeter across the Rlim measurement test points and set it to 20 W with a small screwdriver EVAL BOARD USER’S MANUAL...
- Page 2 EVBUM2760/D Figure 3. Hot Plug with dvdt Open into 24 W Load Figure 4. Hot Plug with 180 pF dvdt Capacitor (1 ms/Division Timescale) Selected into 24 W Load (4 ms/Division Timescale) Figure 5. Sudden Short Circuit from Output to GND Figure 6.
- Page 3 EVBUM2760/D Figure 9. Drawing Current with an Electronic Load, Showing the Overload (I ) and Short Circuit (I ) Current Limits www.onsemi.com...
- Page 4 EVBUM2760/D EVALUATION BOARD SCHEMATIC Figure 10. The NIS5420 Evaluation Board Schematic www.onsemi.com...
- Page 5 Taiyo Yuden UMK107BJ105KA−T 1 mF/50 V COUT2, CIN2 56 mF/35 V 493−4385−1−ND Nichicon PCV1V560MCL1GS LED0603−YELLOW 160−1448−1−ND Lite−On Inc LTST−C191KSKT BAS16H BAS16HT1GOSCT−ND ON Semiconductor BAS16HT1G D4, LEDOUT LED0603−GREEN 160−1888−1−ND Lite−On Inc LTST−C191TGKT CON40 S3314−ND Sullins Connector EBC20DRTH Solutions JCOUT2, JCIN2, HDR−2 3M9447−ND...
- Page 6 onsemi, , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf.
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