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SP6644EB 数据表(PDF) 1 Page - Sipex Corporation |
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SP6644EB 数据表(HTML) 1 Page - Sipex Corporation |
1 / 5 page DESCRIPTION The SP6644/6645 Evaluation Board is designed to help the user evaluate the performance of the SP6644/6645 for use as a single or dual cell input to +3.3V output DC-DC Converter. The output of the SP6644/6645 is preset to +3.3V or can be adjusted from +2V to +5.5V by manipulating two external resistors. The SP6644/6645UEB evaluation board is a complete power supply circuit with an option for adding a small SOT23 5-pin +3V LDO Regulator to provide even better regulation and low noise output. The evaluation board is a completely assembled and tested surface mount board which provides easy probe access points to all SP6644/6645 Inputs and Outputs so that the user can quickly connect and measure electrical characteristics and waveforms. The next two sections describe the SP6644/6645 Board Layout and Using the SP6644/6645 Evaluation Boards. Power Supply Data is supplied as measured from a typical SP6644/6645 evaluation board. The SP6644/6645 Evaluation Board List of Materials table is provided with some manufacturers part numbers to use as a reference. Finally, a schematic and drawings of the PC Layout are included as a design-in tool for the user of the SP6644/6645. BOARD LAYOUT The SP6644/6645 Evaluation Board has been designed for easy and convenient access to all Inputs and Outputs of the SP6644/6645 device under test. Position the board with the silkscreen lettering upright, (also see the drawing on the front page of this manual) and you will see U1 the SP6644/6645 8-pin µSOIC, in the center left of the board. To the left of U1 are the input capacitor C1 and the Vbatt pin. To the right of U1 are the output capacitor C2 and the Vout post. Above U1 is the inductor L1 and the LX test point. Easy Evaluation for the SP6644/6645 Single or Dual Cell Alkaline to 3.3V Output Provides up to 150mA output current for 2-Cell Input High Efficiency: 92% µSOIC Package & SMT components for small, low profile Power Supply SP6644/6645 Evaluation Board Manual |
类似零件编号 - SP6644EB |
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类似说明 - SP6644EB |
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