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LM2623AMMX Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM2623AMMX Datasheet(HTML) 3 Page - National Semiconductor (TI) |
3 / 11 page Pin Description LLP-14 Pin MSOP-8 Pin Name Function 1 NC No Connect 2, 3 1 PGND Power Ground (LLP Pins2&3 must be shorted together). 4 2 EN Active-Low Shutdown Input 5 3 FREQ Frequency Adjust. An external resistor connected between this pin and a voltage source sets the switching frequency of the LM2623. 6 4 FB Output Voltage Feedback 7 NC No Connect 8 NC No connect 9 5 SGND Signal Ground 10 6 V DD Power Supply for Internal Circuitry 11 7 BOOT Bootstrap Supply for the Gate Drive of Internal MOSFET Power Switch 12, 13 8 SW Drain of the Internal MOSFET Power Switch. (LLP Pins 12&13 must be shorted together). 14 NC No Connect DAP DAP To be soldered to board for enhanced thermal dissipation. To be electrically isolated/floating. www.national.com 3 |
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Similar Description - LM2623AMMX |
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