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MAX17596 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX17596 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 11 page  Evaluates: MAX17596 MAX17596 Evaluation Kit General Description The MAX17596 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates an isolated 20W fly-back DC-DC converter. The circuit uses the device’s peak current-mode controller in a 16-pin TQFN package with an exposed pad. The EV kit demonstrates the IC’s cycle-by-cycle current limit, soft-start, and EN/ UVLO features. The EV kit circuit output is configured for an isolated +24V and provides up to 833mA of output current. The EV kit is configured to operate at a 200kHz switching frequency. An optocoupler, along with the transformer, provides galvanic isolation between the input and output, up to 1500VRMS. Features ● 18V to 36V Input Range ● Isolated Output: 24V DC at 20W ● Cycle-by-Cycle Current Limit ● Resistor Programmable UVLO/OVI Threshold ● Low-Cost Flyback Design ● Galvanic Isolation Up to 1500VRMS ● Proven PCB Layout ● Fully Assembled and Tested Quick Start Recommended Equipment ● One 18V–36V DC, 2A power supply ● Electronic load ● Four digital multimeters (DMM) ● MAX17596 24V EVKITB# Warning: ● Do not turn on the power supply until all connections are completed. ● Wear protective eye gear at all times. ● Do not touch any part of the circuit with bare hands or conductive materials when powered up. ● Make sure all high-voltage capacitors are fully discharged before handling. Allow 5 minutes after disconnecting input power source before touching circuit parts. Equipment Setup and Test Procedure 1) Set the power supply to +24VDC. Disable the power supply output. 2) Connect the positive terminal of the power supply to the VIN PCB pad and the negative terminal to the nearest PGND PCB pad. Connect the positive terminal of the electronic load to the VOUT PCB pad and the negative terminal to the nearest GND0 PCB pad. 3) Set the electronic load to constant-current mode and disable the electronic load. 4) Connect a DMM configured in voltmeter mode across the VOUT PCB pad and the nearest GND0 PCB pad. 5) Connect another DMM configured in voltmeter mode across the VOUT PCB pad and the GND0 PCB pad. 6) Enable the power supply. 7) Enable the load and adjust the current to 833mA. 8) Verify that the output voltmeter displays 24V 9) If required, vary the input voltage from 18V to 36V, the load current from 0mA to 833mA, and verify that the output voltage is 24V. 19-7708; Rev 0; 7/15 Ordering Information appears at end of data sheet. |
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