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| TM EV2000DJ-00A Low Input Voltage 150mA Linear Regulator Evaluation Board The Future of Analog IC Technology TM DESCRIPTION The EV2000DJ-00A is the evaluation board for the MP2000DJ. The board operates from a 1.35V to 6.0V input voltage and regulates the output voltage at 1.2V with 2% accuracy. By adjusting the resistor divider values, the board can regulate the output voltage from 0.5V to 5V. It can also supply up to 150mA of load current. FEATURES * * * * * * * * Excellent Load Transient Response Excellent Line Regulation 1.35V to 6V Input Voltage 1.2V Output Voltage Up to 150mA Load Current 802.11 PC Cards Mobile Handset PLL Power Audio Codec Power APPLICATIONS ELECTRICAL SPECIFICATIONS Parameter Input Voltage Output Voltage Operating Temperature Symbol VIN VOUT Value 1.35 - 6.0 1.2 -40 - +85 Units V V C "MPS" and "The Future of Analog IC Technology" are Trademarks of Monolithic Power Systems, Inc. EV2000DJ-00A EVALUATION BOARD (L x W H) 2.0" x 2.0" x 0.4" (5.1cm x 5.1cm x 1.1cm) Board Number EV2000DJ-00A MPS IC Number MP2000DJ EV2000DJ-00A Rev. 1.0 9/26/2005 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2005 MPS. All Rights Reserved. 1 TM EV2000DJ-00A - LOW INPUT VOLTAGE, 150MA LINEAR REGULATOR EV BOARD EVALUATION BOARD SCHEMATIC T1 VIN GND 1 IN OUT 5 T2 VOUT U1 EN 3 EN MP2000 FB GND 2 4 GND EV2000_S01 EV2000DJ-00A BILL OF MATERIALS Qty 1 1 1 1 1 1 1 Ref C1 C2 C3 R1 R2 R3 U1 Value Description 2.2F 0.1F 4.7F 28.7k 20.0k 10k Ceramic Capacitor, 10V, X5R Ceramic Capacitor, 25V, X7R/X5R Ceramic Capacitor, 6.3V, X5R Resistor, 1% Resistor, 1% Resistor, 5% Low Voltage 150mA Linear Reg. Package Manufacturer Manufacturer P/N 0805 0805 0805 0805 0805 0805 TSOT23-5 TDK TDK TDK Panasonic Panasonic Panasonic MPS C2012X5R1A225K C2012X7R1E104K C2012X5R0J475K ERJ-6ENF4022V ERJ-6ENF4992V ERJ-6ENF1002V MP2000DJ EV2000DJ-00A Rev. 1.0 9/26/2005 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2005 MPS. All Rights Reserved. 2 TM EV2000DJ-00A - LOW INPUT VOLTAGE, 150MA LINEAR REGULATOR EV BOARD PRINTED CIRCUIT BOARD LAYOUT Figure 1--Top Silk Layer Figure 2--Top Layer QUICK START GUIDE The output voltage of this board is set to 1.2V. The EN pin is connected to ground with a 10k resistor for automatic startup. You can connect EN to VIN to disable the MP2000. 1. Attach the positive and negative ends of the load to the VOUT and GND pins, respectively. 2. Attach the input voltage (1.35V VIN 6V) and input ground to the VIN and GND pins, respectively. 3. The default resistor values on the board are R1=28.7k and R2=20k. Changing these resistor values will change the output voltage. Use the following equation to determine resistor values for different output voltages: R1 VOUT = 0.5 V x 1 + R2 T1 and T2 are test points for accurately measuring the input and output voltages. NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications. EV2000DJ-00A Rev. 1.0 9/26/2005 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2005 MPS. All Rights Reserved. 3 |
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