Datenblatt-Suchmaschine für elektronische Bauteile |
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LM26420 Datenblatt(PDF) 4 Page - Texas Instruments |
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LM26420 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 47 page 1 16 2 3 4 5 6 7 8 15 14 13 11 12 9 10 20 19 18 17 5 6 7 4 3 2 1 16 15 14 13 9 10 11 12 8 DAP 4 LM26420, LM26420-Q0, LM26420-Q1 SNVS579K – FEBRUARY 2009 – REVISED APRIL 2016 www.ti.com Product Folder Links: LM26420 LM26420-Q0 LM26420-Q1 Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated 5 Pin Configuration and Functions RUM Package 16-Pin WQFN Top View PWP Package 20-Pin HTSSOP Top View Pin Functions: 16-Pin WQFN PIN TYPE DESCRIPTION NUMBER NAME 1,2 VIND1 P Power input supply for Buck 1. 3 SW1 P Output switch for Buck 1. Connect to the inductor. 4 PGND1 G Power ground pin for Buck 1. 5 FB1 A Feedback pin for Buck 1. Connect to external resistor divider to set output voltage. 6 PG1 G Power Good Indicator for Buck 1. Pin is connected through a resistor to an external supply (open drain output). 7 PG2 G Power Good Indicator for Buck 2. Pin is connected through a resistor to an external supply (open drain output). 8 FB2 A Feedback pin for Buck 2. Connect to external resistor divider to set output voltage. 9 PGND2 G Power ground pin for Buck 2. 10 SW2 P Output switch for Buck 2. Connect to the inductor. 11, 12 VIND2 A Power Input supply for Buck 2. 13 EN2 A Enable control input. Logic high enable operation for Buck 2. Do not allow this pin to float or be greater than VIN + 0.3 V. 14 AGND G Signal ground pin. Place the bottom resistor of the feedback network as close as possible to pin. 15 VINC A Input supply for control circuitry. 16 EN1 A Enable control input. Logic high enable operation for Buck 1. Do not allow this pin to float or be greater than VIN + 0.3 V. DAP Die Attach Pad — Connect to system ground for low thermal impedance and as a primary electrical GND connection. |
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