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| EV3213DH-00A 700KHz/1.3MHz Boost Converter with a 3.5A Switch Evaluation Board The Future of Analog IC Technology DESCRIPTION The EV3213DH-00A is an evaluation board for the MP3213. It is configured to provide a regulated 12V output at up to 0.5A from a 5V input. The output is adjustable from VIN up to 22V by changing resistors on the evaluation board. For an even higher output voltage, the input voltage needs to be extended higher. The high switching frequency (700KHz or 1.3MHz) of the MP3213 allows for smaller external components, producing a compact solution for a wide range of load currents. Two user-selectable frequency options offer flexibility for easy filtering and low noise. The PCB heatsink with the exposed pad improves thermal performance and efficiency at medium to heavy loads. FEATURES * * * * * * * * Pin Selectable 700KHz or 1.3MHz Fixed Switching Frequency Operates with Input Voltage as Low as 2.5V 12V at 500mA from 5V Input Fully Assembled and Tested LCD Displays Portable Applications Handheld Computers and PDAs Digital Still and Video Cameras APPLICATIONS "MPS" and "The Future of Analog IC Technology" are Trademarks of Monolithic Power Systems, Inc. ELECTRICAL SPECIFICATIONS Parameter Input Voltage Frequency Select Output Current Output Voltage Symbol VIN fSEL IOUT VOUT Value 2.5 - 10 1.3 0.5 12 Units V MHz A V EV3213DH-00A EVALUATION BOARD Efficiency vs Load Current 100 95 90 EFFICIENCY (%) 85 80 75 70 65 60 55 50 1 VIN = 5V VOUT = 12V 10 100 LOAD CURRENT (mA) 1000 (L x W x H) 2.1" x 2.1" x 0.5" (5.4cm x 5.4cm x 1.1cm) Board Number EV3213DH-00A EV3213DH-00A Rev. 1.1 4/10/2006 MPS IC Number MP3213DH MP3213-EC04 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2006 MPS. All Rights Reserved. 1 EV3213DH-00A - 700KHZ/1.3MHZ BOOST CONVERTER WITH A 3.5A SWITCH EVALUATION BOARD EVALUATION BOARD SCHEMATIC VIN GND D1 MBRA340T3 EN H L JP1 C6 NS R4 NS EN IN SW VOUT 12V C2B NS GND MP3213 FSEL FB Frequency Selection H: 1.3MHz L: 700KHz SS C4 10nF GND COMP C3 2.2nF C5 NS EV3213_S01 EV3213DH-00A BILL OF MATERIALS Qty 2 1 1 1 3 1 1 Ref C1A, C1B C2A C3 C4 C5, C6, C2B D1 JP1 Value 10F 4.7F 2.2nF 10nF Description Ceramic Capacitor, 10V, X7R Ceramic Capacitor, 16V, X7R Ceramic Capacitor, 50V, X7R Ceramic Capacitor, 50V, X7R Not Stuffed Schottky Diode, 40V, 3A 3-Pin Connector Header, 0.100 Inductor, 3.3A, DS84LC 1 L1 4.7H Inductor, 4.1A 1 1 1 1 2 1 R1 R2 R3 R4 R5, R6 U1 100k 86.6k Resistor, 1% 10k 15k Resistor, 1% Resistor, 5% Not Stuffed Resistor, 5% DC-DC Converter 0603 MSOP8 Panasonic: ERJ-3GEYJ104V MPS: MP3213DH 2 SMD 0603 0603 0603 SMD SMA Diodes Inc. MBRA340T3 Sullins: PTC03SAAN Toko: B1015AS-4R7N Sumida: CDRH8D43-4R7NC Panasonic: ERJ-3EKF8662V Panasonic: ERJ-3EKF1002V Panasonic: ERJ-3GEYJ153V Package 1210 1210 0603 0603 Manufacturer P/N TDK: C3225X5R1A106K TDK: C3225X7R1C475K TDK: C1608X7R1H222K TDK: C1608X7R1H103K EV3213DH-00A Rev. 1.1 4/10/2006 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2006 MPS. All Rights Reserved. EV3213DH-00A - 700KHZ/1.3MHZ BOOST CONVERTER WITH A 3.5A SWITCH EVALUATION BOARD PRINTED CIRCUIT BOARD LAYOUT Figure 1--Top Silk Layer Figure 2--Top Layer Figure 3--Bottom Silk Layer EV3213DH-00A Rev. 1.1 4/10/2006 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2006 MPS. All Rights Reserved. 3 EV3213DH-00A - 700KHZ/1.3MHZ BOOST CONVERTER WITH A 3.5A SWITCH EVALUATION BOARD QUICK START GUIDE The output voltage of this board is set to 12V. The board layout accommodates most commonly used inductors and output capacitors. 1. Preset Power Supply to 2.5V VIN 10V. 2. Turn Power Supply off. 3. Place jumper J1 at the H position for 1.3MHz operation, or at the L position for 700KHz operation (the inductor may need to be adjusted accordingly). 4. Connect the power supply terminals to: Positive (+): VIN Negative (-): GND 5. Connect the load to: Positive (+): VOUT Negative (-): GND 6. Turn on the power supply after making connections. 7. The MP3213 is enabled automatically on the evaluation board once VIN is applied. To disable the MP3213, pull EN low. 8. The output voltage VOUT can be changed by varying R1. Calculate the new value using the formula: V R1 = OUT - 1R2 V FB Where VFB = 1.25V and R2 = 10k For example, for VOUT = 15V 15 V R1 = - 1 x 10k = 110k 1.25 V Therefore use a 110k standard 1% value. 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. EV3213DH-00A Rev. 1.1 4/10/2006 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. (c) 2006 MPS. All Rights Reserved. 4 |
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