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LM2623AMM Datasheet(PDF) 3 Page - Texas Instruments |
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LM2623AMM Datasheet(HTML) 3 Page - Texas Instruments |
3 / 22 page LM2623 www.ti.com SNVS188H – MAY 2004 – REVISED NOVEMBER 2014 5 Pin Configuration and Functions WSON Package 14 Pins Top View VSSOP Package 8 Pins Top View Pin Functions PIN TYPE DESCRIPTION WSON VSSOP NAME 1 — NC N/A No Connect 2, 3 1 PGND GND Power Ground (WSON Pins 2 & 3 must be shorted together). 4 2 EN Digital Active-Low Shutdown Input Frequency Adjust. An external resistor connected between this pin and 5 3 FREQ Analog a voltage source sets the switching frequency of the LM2623. 6 4 FB Analog Output Voltage Feedback 7 — NC N/A No Connect 8 — NC N/A No connect 9 5 SGND GND Signal Ground 10 6 VDD Power Power Supply for Internal Circuitry 11 7 BOOT Analog Bootstrap Supply for the Gate Drive of Internal MOSFET Power Switch 12, 13 8 SW Analog Drain of the Internal MOSFET Power Switch. (WSON Pins 12 & 13 must be shorted together.) 14 — NC N/A No Connect DAP — DAP Thermal To be soldered to board for enhanced thermal dissipation. To be electrically isolated/floating. Copyright © 2004–2014, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2623 |
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