MAX38904BEVK#TDFN

Click here for production status of specific part numbers. Evaluates: MAX38904B MAX38904B TDFN Evaluation Kit General Description The MAX38904B TDFN evaluation kit (EV kit) evaluates the MAX38904B in a TDFN package. The MAX38904B is a low noise linear regulator. The EV kit operates over an input range of 1.7V to 5.5V and provides a resistor configurable output voltage range from 0.6V to 5.0V. The EV kit can deliver up to 2A of current. Features ●● Evaluates the MAX38904B IC in a 10-pin (3mm x 3mm) TDFN Quick Start Required Equipment ●● MAX38904B TDFN EV kit ●● 5.5V, 5A DC power supply ●● Electronic load capable of 2A ●● Digital voltmeter (DVM) Procedure ●● 1.7V to 5.5V Input Range The EV kit is fully assembled and tested. Follow the steps below to verify board operation. Caution: Do not turn on power supply until all connections are completed. ●● 0.6V to 5.0V Resistor Configurable Output Voltage (Default Output Set to 3.3V) 1) Verify that jumper JU101 is shunted on pins 1 and 2 (EV kit enabled). ●● Up to 2A Output Current 2) Connect the 5.5V power supply between the IN and nearest GND terminal posts. ●● Proven 2-Layer 1-oz Copper PCB Layout ●● Demonstrates Compact Solution Size ●● Fully Assembled and Tested MAX38904B TDFN EV Kit Files FILE DECRIPTION MAX38904B TDFN EV Kit BOM EV Kit Bill of Material MAX38904B TDFN EV Kit PCB Layout EV Kit Layout MAX38904B TDFN EV Kit Schematic EV Kit Schematic Ordering Information appears at end of data sheet. 319-100302; Rev 0; 2/19 3) Connect the 2A electronic load between the OUT and nearest GND terminal posts. 4) Connect the DVM between the OUT and nearest GND terminal posts. 5) Turn on the power supply. 6) Verify that the voltage at the OUT terminal post is approximately 3.3V. 7) Decrease the power supply to 3.6V (To minimize power dissipation at full load). 8) Enable the electronic load. 9) Verify that the voltage at the OUT terminal post is 3.3V within the device and the resistor divider’s accuracy specifications. Evaluates: MAX38904B MAX38904B TDFN Evaluation Kit Detailed Description of Hardware The MAX38904B TDFN EV kit evaluates the MAX38904B in a TDFN package. The MAX38904B is a low noise linear regulator that delivers 2A of output current with only 5.1µVRMS of output noise from 10Hz to 100kHz. This regulator requires only 100mV of input-to-output headroom at full load. The MAX38904B TDFN EV kit operates over an input range of 1.7V to 5.5V. The EV kit comes with the MAX38904BATD+ installed and the output voltage is set to 3.3V by 1% accurate feedback resistors R101 and R102. The EV kit output can be reconfigured to other voltages from 0.6V to 5.0V by replacing feedback resistors R101 and R102. Refer to the MAX38904 IC data sheet for feedback resistor calculation. Component Suppliers SUPPLIER EN (Enable) The EV kit provides a jumper JU101 to enable or disable the MAX38904B. Refer to Table 1 for jumper setting of jumper JU101. Table 1. EN (JU101) SHUNT POSITION DESCRIPTION 1-2* Enabled. EN = IN* 2-3 Disabled. EN = GND *Default position. Ordering Information WEBSITE Kemet www.kemet.com Murata/TOKO www.murata.com TDK www.tdk.com Samsung Electro-Mechanics America. Inc. www.samsungsem.com PART TYPE MAX38904BEVK#TDFN EV Kit #Denotes RoHS Note: Indicate that you are using the MAX38904B when contacting these component suppliers. www.maximintegrated.com Maxim Integrated │  2 Evaluates: MAX38904B MAX38904B TDFN Evaluation Kit MAX38904B TDFN EV Kit Bill of Materials ITEM REF_DES DNI/DNP QTY MFG PART # MANUFACTURER VALUE KEMET;MURATA; MURATA;TDK 0.047µF 1 C101 — 1 C0603C473K5RAC; GRM188R71H473KA61; GCM188R71H473KA55; CGA3E2X7R1H473K080AA 2 C102, C103 — 2 GRM31CR70J226K MURATA 22µF 3 GND, IN, OUT — 3 108-0740-001 EMERSON NETWORK POWER 108-0740-001 4 GND_PAD, IN_PAD, OUT_PAD — 3 9020 BUSS WEICO WIRE MAXIMPAD 5 JU101 — 1 PEC03SAAN SULLINS PEC03SAAN 6 POK — 1 5002 KEYSTONE DESCRIPTION CAPACITOR; SMT (0603); CERAMIC CHIP; 0.047µUF; 50V; TOL = 10%; MODEL = X7R; TG = -55°C TO +125°C; TC = X7R CAPACITOR; SMT (1206); CERAMIC CHIP; 22µF; 6.3V; TOL = 10%; MODEL = GRM SERIES; TG = -55°C TO +125°C; TC = X7R CONNECTOR; MALE; PANELMOUNT; BANANA JACK; STRAIGHT; 1PIN EVK KIT PARTS; MAXIM PAD; WIRE; NATURAL; SOLID; WEICO WIRE; SOFT DRAWN BUS TYPE-S; 20AWG CONNECTOR; MALE; THROUGH HOLE; BREAKAWAY; STRAIGHT; 3PINS N/A TEST POINT; PIN DIA = 0.1IN; TOTAL LENGTH = 0.3IN; BOARD HOLE = 0.04IN; WHITE; PHOSPHOR BRONZE WIRE SILVER; 7 R101 — 1 CRCW0603909KFK VISHAY DALE 909K RESISTOR; 0603; 909KΩ; 1%; 100PPM; 0.1W; THICK FILM 8 R102 — 1 ERJ-3EKF2003 PANASONIC 200K RESISTOR; 0603; 200KΩ; 1%; 100PPM; 0.1W; THICK FILM VISHAY;YAGEO; YAGEO;PANASONIC; YAGEO 100K RESISTOR; 0603; 100K; 1%; 100PPM; 0.10W; THICK FILM 9 R103 — 1 CRCW0603100KFK; RC0603FR-07100KL; RC0603FR-13100KL; ERJ-3EKF1003; AC0603FR-07100KL 10 SU1 — 1 STC02SYAN SULLINS ELECTRONICS CORP. STC02SYAN 11 TP_GND — 1 5001 KEYSTONE N/A TEST POINT; PIN DIA = 0.1IN; TOTAL LENGTH = 0.3IN; BOARD HOLE = 0.04IN; BLACK; PHOSPHOR BRONZE WIRE SILVER PLATE FINISH; 12 TP_OUT — 1 5000 KEYSTONE N/A TEST POINT; PIN DIA = 0.1IN; TOTAL LENGTH = 0.3IN; BOARD HOLE = 0.04IN; RED; PHOSPHOR BRONZE WIRE SILVER PLATE FINISH; 13 U1 — 1 MAX38904B-ATD+ MAXIM MAX38904B-ATD+ TEST POINT; JUMPER; STR; TOTAL LENGTH = 0.256IN; BLACK; INSULATION = PBT CONTACT = PHOSPHOR BRONZE; COPPER PLATED TIN OVERALL EVKIT PART - IC; MAX38904B-ATD+; 2A LOW NOISE LDO LINEAR REGULATOR; PACKAGE OUTLINE DEVICE: 21-0137 14 PCB — 1 MAX38904BTDFN MAXIM PCB PCB:MAX38904BTDFN 15 C104 DNP 0 N/A N/A OPEN PACKAGE OUTLINE 0603 NON-POLAR CAPACITOR 16 R104 DNP 0 N/A N/A OPEN PACKAGE OUTLINE 0603 RESISTOR 17 R105 DNP 0 N/A N/A SHORT PACKAGE OUTLINE 0603 RESISTOR TOTAL www.maximintegrated.com 19 Maxim Integrated │  3 www.maximintegrated.com MAXIMPAD GND MAXIMPAD IN 108-0740-001 GND 22UF C102 108-0740-001 OPEN R104 1.7V TO 5.5V EN GS 6 7 POK GND 5 R105 SHORT OPEN IN 4 PEC03SAAN IN 3 C104 IN 2 JU101 IN 1 EP 15 IN U1 MAX38904B-ATD+ 14 13 12 11 10 9 8 OUT OUT OUT OUT BYP FB POK GND OUT 0.047UF C101 200K R102 909K R101 100K R103 22UF C103 108-0740-001 OUT MAXIMPAD OUT MAX38904B TDFN Evaluation Kit Evaluates: MAX38904B MAX38904B TDFN EV Kit Schematic Maxim Integrated │  4 Evaluates: MAX38904B MAX38904B TDFN Evaluation Kit MAX38904B TDFN EV Kit PCB Layout Diagrams 1.0’’ MAX38904B TDFN EV Kit PCB Layout—Top Silkscreen 1.0’’ MAX38904B TDFN EV Kit PCB Layout—Top Layer www.maximintegrated.com 1.0’’ MAX38904B TDFN EV Kit PCB Layout—Bottom Layer 1.0’’ MAX38904B TDFN EV Kit PCB Layout—Bottom Silkscreen Maxim Integrated │  5 Evaluates: MAX38904B MAX38904B TDFN Evaluation Kit Revision History REVISION NUMBER REVISION DATE 0 2/19 DESCRIPTION Initial release PAGES CHANGED — For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html. Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc. © 2019 Maxim Integrated Products, Inc. │  6