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LM2715SQX-ADJ Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM2715SQX-ADJ Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 22 page Pin Functions (Continued) PGND:Connect all power ground components to a PGND plane which should also connect directly to this pin. Use a trace or via to connect the AGND plane to the PGND plane. Please see Layout Considerations under the Operation sec- tion for more details on layout suggestions. SW: This is the drain of the internal NMOS power switch. Minimize the metal trace area connected to this pin to mini- mize EMI. V IN: Input Supply Pin. Bypass this pin with a capacitor as close to the device as possible. The capacitor should con- nect between V IN and PGND. SWI: PMOS switch input. Source connection of PMOS de- vice. SWO: PMOS switch output. Drain connection of PMOS device. SWC: PMOS switch control pin. This pin creates an AND function with the delay time after the output of the switching regulator has reached 85% of its nominal value. To ensure the PMOS switch is in the correct state, apply a voltage above 1.5V to this pin to turn on the PMOS switch and apply a voltage below 0.7V to turn off the PMOS switch. AV IN: Supply pin for the Vcom opamp and the Gamma buffer. Bypass this pin with a capacitor as close to the device as possible, about 100nF, if connected directly to the output of the boost DC/DC switching regulator. The capacitor should connect between AV IN and PGND. GMA: Gamma Buffer output pin. GMA+: Gamma Buffer input pin. Ordering Information (TSSOP) Order Number Package Type NSC Package Drawing Supplied As LM2715MT-ADJ TSSOP-16 MTC16 73 Units, Rail LM2715MTX-ADJ TSSOP-16 MTC16 2500 Units, Tape and Reel Ordering Information (LLP) Order Number Spec Package Type NSC Package Drawing Supplied As LM2715SQ-ADJ LLP-24 SQA24B 1000 Units, Tape and Reel LM2715SQX-ADJ LLP-24 SQA24B 4500 Units, Tape and Reel LM2715SQ-ADJ NOPB LLP-24 SQA24B 1000 Units, Tape and Reel LM2715SQX-ADJ NOPB LLP-24 SQA24B 4500 Units, Tape and Reel www.national.com 4 |
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