Evaluates: MAX15008MAX15011 19-0967 Rev 0 9/07 MAX15008 Evaluation Kit General Description Features The MAX15008 evaluation kit (EV kit) is a complete, Wide Operating Supply Voltage Range: 5V to 40V fully assembled and tested printed-circuit board (PCB) 300mA LDO Configured to 5V (Supply Voltage that demonstrates the capabilities of the MAX15008. 6.5V) The MAX15008 features a configurable LDO voltage regulator, a voltage tracker, and an overvoltage protec- 50mA Voltage Tracker tor. The LDO is configured to 5V, 300mA output. The Configurable Overvoltage Protector Threshold voltage tracker is configured to track the LDO output voltage and provides up to 50mA. The overvoltage pro- Output Signal (RESET) for Circuit Monitoring tector threshold is configured to 17.7V. Can be Used to Evaluate the MAX15009, The EV kit circuit features a RESET output signal to indi- cate output fault and normal operating conditions. The MAX15010 , or MAX15011 ICs EV kit circuit board can also be used to evaluate the Fully Assembled and Tested MAX15009, MAX15010 , or MAX15011 ICs. Future productcontact factory for availability. Ordering Information PART TYPE MAX15008EVKIT+ EV Kit +Denotes lead-free and RoHS-compliant. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 10F 20%, 50V aluminum Not installed, ceramic capacitors C8, C9, C10 0 C1 1 electrolytic capacitor (C case) (0603) Panasonic EEEFK1H100UR Not installed, aluminum electrolytic C11, C13 0 0.1F 10%, 50V X7R ceramic capacitors (D case) C2 1 capacitor (0603) Not installed, ceramic capacitor C12 0 TDK C1608X7R1H104K (1210) 0.15F 10%, 25V X7R ceramic 54V, 5W TVS diode (SMB) D1 1 C3 1 capacitor (0603) Diodes Inc. SMBJ54A TDK C1608X7R1E154K JU1JU4 4 2-pin headers 3.3F 20%, 50V X7R ceramic 100V, 44A n-channel MOSFET (D C4 1 capacitor (1210) N1 1 pack) TDK C3225X7R1H335M Fairchild FDD3672 22F 20%, 16V X5R ceramic R1, R4, R6, 0 Not installed, resistors (0603) capacitor (1206) R12R15 C5 1 Murata GRM31CR61C226M or R2 1 0 5% resistor (0603) Taiyo Yuden EMK316BJ226M R3, R5, R8, 5 10k 1% resistors (0603) 10F 20%, 35V aluminum R10, R11 C6 1 electrolytic capacitor (B case) R7, R9 2 133k 1% resistors (0603) Panasonic EEEFK1V100UR U1 1 MAX15008ATJ+ (32-pin TQFN-EP) 22F 20%, 50V aluminum 4 Shunts (JU1JU4) electrolytic capacitor (D case) C7 1 Panasonic EEEFK1H220P 1 PCB: MAX15008 Evaluation Kit+ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim s website at www.maxim-ic.com.MAX15008 Evaluation Kit 11) Verify that the OUT PROTECT output measures 10V. Quick Start 12) Verify that the RESET output signal measures 5V. Recommended Equipment 13) The EV kit is ready for further testing. Two 5V to 40V, 1A adjustable power supplies Four voltmeters Detailed Description Procedure The MAX15008 EV kit is a fully assembled and tested The MAX15008 EV kit is a fully assembled and tested circuit that demonstrates the capabilities of the surface-mount board. Follow the steps below for simple MAX15008. The MAX15008 features a configurable LDO board operation. Caution: Do not turn on the power voltage regulator, a voltage tracker, and an overvoltage supply until all connections are completed. protector. The LDO is configured to 5V and provides up 1) Verify that shunts are installed across jumpers JU1 to 300mA. The voltage tracker is configured to track the LDO output voltage and provides up to 50mA. The over- (LDO enabled), JU2 (HOLD enabled), JU3 (tracker voltage protector threshold is configured to 17.7V with enabled), and JU4 (overvoltage protector enabled). resistors R9 and R10. The LDO output voltage is config- 2) Set the first power supply to 10V and disable the ured with external resistors R1 and R2. The tracker out- output. Connect the positive terminal of this power put voltage can be configured to track a wide range of supply to the IN PCB pad. Connect the ground ter- voltages up to 35V by replacing resistors R3R6. The EV minal of this power supply to the SGND PCB pad kit input-voltage range is up to 40V, but may have to be located next to the IN pad. decreased to not exceed the maximum continuous power dissipation rating of the MAX15008 IC. 3) Set the second power supply to 8V and disable the output. Connect the positive terminal of this power The EV kit RESET output signal can be used to monitor supply to the TRACK PCB pad. Connect the ground the LDO output operating conditions or to reset circuitry connected at the LDO output. terminal of this power supply to the SGND PCB pad located next to the TRACK pad. Input Power Supplies 4) Connect a voltmeter across the OUT LDO and The MAX15008 EV kit requires an input power source of SGND PCB pads. 5V to 40V, 1A connected across IN and SGND and anoth- er 5V to 40V, 1A power source connected across TRACK 5) Connect a voltmeter across the OUT TRK and and SGND for normal operation. The power source con- SGND PCB pads. nected to IN supplies power to the MAX15008 IC, the LDO 6) Connect a voltmeter across the OUT PROTECT and input, and the overvoltage protector input, while the power PGND PCB pads. source connected to TRACK supplies power to the tracker input. The overvoltage protector input (IN2) can be sepa- 7) Connect a voltmeter across the RESET and SGND rated from the main input (IN) by cutting open the short- PCB pads. ing trace between the IN and IN2 PCB pads. Connect a 8) Turn on the IN and TRACK power supplies. separate power supply across the IN2 and PGND PCB pads and install a 4.7F to 10F electrolytic capacitor at 9) Verify that the OUT LDO output measures 5V. C11. In order to evaluate the LDO performance at 5V out- 10) Verify that the OUT TRK output measures 5V. put, never set the IN supply voltage below 6.5V. Component Suppliers SUPPLIER PHONE WEBSITE Diodes Inc. 805-446-4800 www.diodes.com Fairchild Semiconductors 888-522-5372 www.fairchildsemi.com Murata Mfg. Co., Ltd. 770-436-1300 www.murata.com Panasonic Corp. 800-344-2112 www.panasonic.com Taiyo Yuden 800-348-2496 www.t-yuden.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX15008 when contacting these component suppliers. 2 Evaluates: MAX15008MAX15011