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MIC28510 Datasheet(PDF) 2 Page - Micrel Semiconductor |
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MIC28510 Datasheet(HTML) 2 Page - Micrel Semiconductor |
2 / 30 page Micrel, Inc. MIC28510 March 2012 2 M9999-030912-A Ordering Information Part Number Junction Temperature Range Package Lead Finish MIC28510YJL 40C to 125C 28-pin 5mm 6mm MLF® Pb-Free Pin Configuration 28-Pin 5mm 6mm MLF® (JL) Pin Description Pin Number Pin Name Pin Function 1, 3 NC No Connect. 2, 5, 6, 7, 8, 21 PGND Power Ground. PGND is the ground path for the MIC28510 buck converter power stage. The PGND pin connects to the sources of low-side N-Channel internal MOSFETs, the negative terminals of input capacitors, and the negative terminals of output capacitors. The loop for the power ground should be as small as possible and separate from the signal ground (SGND) loop. 4, 9, 10, 11, 12 SW Switch Node (Output). Internal connection for the high-side MOSFET source and low-side MOSFET drain. 13, 14, 15, 16, 17, 18, 19 PVIN High-Side Internal N-Channel MOSFET Drain Connection (Input).The PVIN operating voltage range is from 4.5V to 75V. Input capacitors between the PVIN pins and the power ground (PGND) are required and keep the connection short. 20 BST Boost (Output). Bootstrapped voltage to the high-side N-channel internal MOSFET driver. A Schottky diode is connected between the VDD pin and the BST pin. A boost capacitor of 0.1μF is connected between the BST pin and the SW pin. 22 CS Current Sense (Input). High current output driver return. The CS pin connects directly to the switch node. Due to the high-speed switching on this pin, the CS pin should be routed away from sensitive nodes. CS pin also senses the current by monitoring the voltage across the low-side internal MOSFET during OFF-time. |
Similar Part No. - MIC28510_12 |
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Similar Description - MIC28510_12 |
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