MAX25301EVKIT# Analog Devices

Click here to ask about the production status of specific part numbers. Evaluates: MAX25301A/MAX25301B MAX25301 Evaluation Kit General Description Quick Start The MAX25301 evaluation kit (EV kit) evaluates the Required Equipment MAX25301A/MAX25301B IC family of low noise linear MAX25301 EV kit regulators. The EV kit operates over an input range of 5.5V, 1A DC power supply 1.7V to 5.5V, provides any output voltage range from 0.6V to 5.3V, and delivers up to 1A of current. The EV kit comes Electronic load capable of 1A with the MAX25301BATB/V+ installed. Digital voltmeter (DVM) Features Procedure Evaluates the MAX25301A/MAX25301B IC in a The EV kit is fully assembled and tested. To verify board 10-pin (3mm x 3mm) TDFN operation, follow the steps: 1.7V to 5.5V Input Range Caution: Do not turn on power supply until all connections are completed. 0.6V to 5.3V Resistor-Configurable Output Voltage (MAX25301B, On Board with Output Set to 3.3V) 1) Verify that jumpers JU101, SELA and SELB are in their default positions, as shown in Tables 1, 2, and 3. 1.2V to 5.0V Jumper-Configurable Output Voltage 2) Connect the 5.5V power supply between the IN and (MAX25301A, with IC Replacement) nearest GND terminal posts. Up to 1A Output Current 3) Connect the 1A electronic load between the OUT Proven 2-Layer 1oz Copper PCB Layout and nearest GND terminal posts. 4) Connect the DVM between the OUT and nearest Demonstrates Compact Solution Size GND terminal posts. Fully Assembled and Tested 5) Turn on the power supply. 6) Enable the electronic load. 7) Verify that the voltage at the OUT terminal post is Ordering Information appears at end of data sheet. approximately 3.3V. MAX25301 EV Kit Files FILE DECRIPTION MAX25301 EV Kit BOM EV Kit Bill of Material MAX25301 EV Kit PCB Layout EV Kit Layout MAX25301 EV Kit Schematic EV Kit Schematic 319-100571 Rev 0 8/20Evaluates: MAX25301A/MAX25301B MAX25301 Evaluation Kit Table 1. EN on MAX25301A/MAX25301B Detailed Description of Hardware The MAX25301 EV kit evaluates the MAX25301A/ (JU101) MAX25301B IC family. The MAX25301A/MAX25301B JU101 DESCRIPTION are low noise linear regulators that deliver 1A of output SHUNT POSITION current with only 12uV of output noise from 10Hz to RMS 1-2* Enabled. EN = IN 100kHz. These regulators require only 100mV of input-to- 2-3 Disabled. EN = GND output headroom at full load. *Default position. The MAX25301 EV kit operates over an input range of 1.7V to 5.5V. The EV kit comes with the MAX25301BATB/ V+ installed and the output voltage is resistor configured Table 2. GS on MAX25301B (SELA) to 3.3V and can deliver 1A of current. The output voltage on the MAX25301B can be reconfigured to other voltages SELA DESCRIPTION from 0.6V to 5.3V by replacing feedback resistors R101 SHUNT POSITION and R102. Refer to the MAX25301 IC data sheet for feed- Not allowed (for MAX25301A output 1-2 back resistor calculation. selection) 2-3* GS = GND EN for the MAX25301A/MAX25301B *Default position. The EV kit provides a jumper JU101 to enable or disable the MAX25301B (or the MAX25301A after IC replace- ment). See Table 1 for jumper setting of jumper JU101. Table 3. POK on MAX25301B (SELB) GS for the MAX25301B SELA DESCRIPTION When evaluating the MAX25301B, the Ground Sense SHUNT POSITION (GS) pin must be connected to ground to stabilize the Not allowed (for MAX25301A output 1-2 output with load. The EV kit provides a jumper SELA to selection) connect the MAX25301B GS pin to ground. See Table 2 Not allowed (for MAX25301A output for jumper setting of jumper SELA. 2-3 selection) POK for the MAX25301B Not Installed* Access signal at the POK test point The EV kit provides a test point to access the POK output *Default position. signal from the MAX25301B. Remove shunt from jumper SELB to access the MAX25301B POK test point. See Table 3 for jumper setting of jumper SELB. Maxim Integrated 2 www.maximintegrated.com