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MAX20331 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX20331 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 10 page  Evaluates: MAX20331/MAX20331A MAX20331 Evaluation Kit General Description The MAX20331 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates the MAX20331 high-voltage OVP on audio line device. The EV kit comes with the MAX20331EWL+ installed. The MAX20331 EV kit can also be used to evaluate MAX20331A. Features ● 3.5mm Jack Audio Line Protection ● Proven PCB Layout ● Fully Assembled and Tested EV Kit Contents ● EV kit board containing a MAX20331 319-100226; Rev 1; 2/19 Quick Start Required Equipment ● ● MAX20331 EV kit ● ● Two Power Supplies ● ● Multimeter Procedure The EV kit is fully assembled and tested. Follow the steps below to verify board operation: 1) Connect a 3V supply on TP15 and verify LED1 is on. 2) Connect a 1V supply on COM1 and verify NC1 is now 1V. 3) Increase voltage on COM1. NC1 voltage should go down to 0V when COM1 voltage reaches about 3.45V. 4) Decrease COM1 voltage. NC1 voltage again fol- lows COM1 voltage. 5) Set COM1 voltage to -1V and verify NC1 voltage is -1V. 6) Decrease COM1 voltage and verify NC1 voltage goes up to 0V when COM1 voltage reaches about -3.45V. 7) Remove power supply from COM1, connect 1V supply on COM2, and verify NC2 is now 1V. 8) Increase voltage on COM2. NC2 voltage goes down to 0V when COM2 voltage reaches about 3.45V. 9) Decrease COM2 voltage. NC2 voltage again fol- lows COM2 voltage. 10) Set COM2 voltage to -1V and verify NC2 voltage is -1V. 11) Decrease COM2 voltage and verify NC2 voltage goes up to 0V when COM2 voltage reaches about -3.45V. Detailed Description The MAX20331 EV kit is a fully assembled and tested circuit board demonstrating the MAX20331 audio line overvoltage protector in a 9-bump wafer-level package (WLP). The MAX20331 has overvoltage threshold ±3.45V. VCC Power Supply The VCC can be connected from USB power supply source or externally supplied from TP15. *Default position. #Denotes RoHS compliant. Table 1. VCC Jumper Setting JUMPER SHUNT POSITION DESCRIPTION JU1 1-2* VCC is connected to VEXT TP15 2-3 VCC is connected to LDO Output PART TYPE MAX20331EVKIT# EVKIT Ordering Information Click here for production status of specific part numbers. |
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