Evaluates: MAX17000 19-4162 Rev 0 5/08 MAX17000 Evaluation Kit General Description Features The MAX17000 evaluation kit (EV kit) is a fully assem- Complete DDR Supplies: VDDQ, VTT, and VTTR bled and tested surface-mount printed-circuit board V Range: 7V to 20V IN (PCB) that demonstrates the MAX17000 DDR memory power solution. The EV kit provides the regulated volt- 300kHz Switching Frequency ages required in a complete DDR memory system. The Independent Shutdown and Standby Controls EV kit generates the main memory voltage (VDDQ), the tracking sinking/sourcing termination voltage (VTT), and Overvoltage Protection (OVP) the reference voltage (VTTR). Open-Drain, Power-Good Output Signal Indicators The switch-mode power-supply (SMPS) regulator, (PGOOD1 and PGOOD2) which operates at 300kHz switching frequency, gener- Low-Profile Surface-Mount Components ates a preset 1.8V VDDQ (OUT) main memory voltage that is capable of sourcing 10A. The termination regula- Fully Assembled and Tested tor provides a 0.9V VTT supply that is capable of sink- ing/sourcing 2A. The termination reference buffer pro- vides a 0.9V VTTR supply that is capable of Ordering Information sinking/sourcing 3mA. PART TYPE The EV kit requires an input voltage source of 7V to 20V MAX17000EVKIT+ EV Kit (IN) and a low-power 5V (VDD) biasing supply. +Denotes lead-free and RoHS compliant Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 10F 20%, 25V X5R ceramic 0.1F 10%, 25V X7R ceramic capacitors (1206) capacitors (0603) C1, C2 2 C11 1 Murata GRM31CR61E106M Murata GRM188R71E104K TDK C3216X5R1E106M TDK C1608X7R1E104K Not installed, ceramic capacitor C12, C19, C20, Not installed, ceramic capacitors C3 0 0 (1206) C21, C23 (0603) 330F 20%, 2.5V, 12m polymer 1000pF 10%, 50V X7R ceramic capacitors (0603) C22 1 SANYO 2R5TPE330MCC2 (1.8mm, Murata GRM188R71H102K 12m , C2 case) TDK C1608X7R1H102K C4, C5 2 NEC/TOKIN PSLV0E337M (1.8mm, Not installed, Schottky diode (SMA) 12m , D case) 3A, 30V Schottky diode D1 0 Panasonic EEFCX0E331R (1.9mm, Nihon EC31QS03L 15m , D case) Central CMSH3-40M LEAD FREE 0.33F 10%, 10V X5R ceramic Green surface-mount LEDs (0603) D2, D3 2 capacitor (0603) Lite-On LTST-C190GKT C6 1 Murata GRM188R61A334K JU1, JU3JU6 5 2-pin headers TDK C1608X5R1A334K JU2 1 3-pin header 10F 20%, 6.3V X5R ceramic C7, C8, C9, capacitors (0603) 1.4H 30%, 12A, 3.4m (typ) 8 power inductor C13C17 Murata GRM188R60J106M Sumida CDEP105(L)NP-1R4 or TDK C1608X5R0J106M L1 1 1.5H 30%, 14A, 5.1m (typ) 1F 10%, 6.3V X5R ceramic power inductor capacitors (0603) C10, C18 2 Wrth 7443552150 Murata GRM188R60J105K TDK C1608X5R0J105K Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX17000 Evaluation Kit Component List (continued) Quick Start Recommended Equipment DESIGNATION QTY DESCRIPTION Before beginning, the following equipment is needed: 30V, 20A n-channel MOSFET 5V, 100mA DC power supply (VDD) N1 1 (PowerPAK 8 SO) Fairchild FDMS8690 7V to 20V, 5A DC power supply (IN) 30V, 40A n-channel MOSFET Voltmeter N2 1 (PowerPAK 8 SO) Fairchild FDMS8660S Procedure The MAX17000 EV kit is fully assembled and tested. Not installed, dual MOSFET (8 SO) N3 0 Follow the steps below to verify board operation. Fairchild FDS6982S Caution: Do not turn on the power supplies until all PGOOD1, connections are completed. 0 Not installed, test points PGOOD2 1) Verify that the jumpers follow the default settings in 0.002 1%, 1/2 W current-sense Table 1. R1 1 resistor (2010) 2) Connect the positive terminal of the VDD power Vishay WSL20102L000FEA supply to the VDD pad. Connect the negative termi- R2, R3 2 1k 5% resistors (0603) nal of the VDD power supply to the AGND pad. R4R7 4 100k 5% resistors (0603) 3) Connect the positive terminal of the IN power sup- R8 1 200k 1% resistor (0603) ply to the IN pad. Connect the negative terminal of Not installed, resistors (0603) the IN power supply to the PGND pad. R9R12, 0 R9R12 are shorted by PC trace R14R20 4) Set the IN power supply to 12V. R14R20 are open R13 1 10 5% resistor (0603) 5) Set the VDD power supply to 5V. TP1, TP2 2 Test points 6) Turn on the IN power supply before turning on the VDD power supply. DDR memory power solution U1 1 (24 TQFN) 7) Verify that the VDDQ output (OUT) is approximately Maxim MAX17000ETG+ 1.8V. 6 Shunts, 0.1in centers 8) Verify that the termination power-supply output 1 PCB: MAX17000 Evaluation Kit+ (VTT) is approximately 0.9V. 9) Verify that the termination reference buffer output (VTTR) is approximately 0.9V. Component Suppliers SUPPLIER PHONE WEBSITE Fairchild Semiconductor 888-522-5372 www.fairchildsemi.com Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com NEC TOKIN Corp. 408-324-1790 www.nec-tokinamerica.com Panasonic Corp. 800-344-2112 www.panasonic.com SANYO Electric Co., Ltd. 619-661-6835 www.sanyodevice.com Sumida Corp. 847-545-6700 www.sumida.com TDK Corp. 847-803-6100 www.component.tdk.com Vishay 402-563-6866 www.vishay.com Wrth Electronik GmbH & Co. KG 201-785-8800 www.we-online.com Note: Indicate that you are using the MAX17000 when contacting these component suppliers. 2 Evaluates: MAX17000