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LM2717-ADJ Scheda tecnica(PDF) 3 Page - Texas Instruments |
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LM2717-ADJ Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 24 page LM2717-ADJ www.ti.com SNVS407C – DECEMBER 2005 – REVISED MARCH 2013 PIN DESCRIPTIONS Pin Name Function 1 PGND Power ground. PGND and AGND pins must be connected together directly at the part. 2 PGND Power ground. PGND and AGND pins must be connected together directly at the part. 3 AGND Analog ground. PGND and AGND pins must be connected together directly at the part. 4 FB1 Buck 1 output voltage feedback input. 5 VC1 Buck 1 compensation network connection. Connected to the output of the voltage error amplifier. 6 VBG Bandgap connection. 7 VC2 Buck 2 compensation network connection. Connected to the output of the voltage error amplifier. 8 FB2 Buck 2 output voltage feedback input. 9 AGND Analog ground. PGND and AGND pins must be connected together directly at the part. 10 AGND Analog ground. PGND and AGND pins must be connected together directly at the part. 11 PGND Power ground. PGND and AGND pins must be connected together directly at the part. 12 PGND Power ground. PGND and AGND pins must be connected together directly at the part. 13 SW2 Buck 2 power switch input. Switch connected between VIN pins and SW2 pin. 14 VIN Analog power input. All VIN pins are internally connected and should be connected together directly at the part. 15 VIN Analog power input. All VIN pins are internally connected and should be connected together directly at the part. 16 CB2 Buck 2 converter bootstrap capacitor connection. 17 SHDN2 Shutdown pin for Buck 2 converter. Active low. 18 SS2 Buck 2 soft start pin. 19 FSLCT Switching frequency select input. Use a resistor to set the frequency anywhere between 300kHz and 600kHz. 20 SS1 Buck 1 soft start pin. 21 SHDN1 Shutdown pin for Buck 1 converter. Active low. 22 CB1 Buck 1 converter bootstrap capacitor connection. 23 VIN Analog power input. All VIN pins are internally connected and should be connected together directly at the part. 24 SW1 Buck 1 power switch input. Switch connected between VIN pins and SW1 pin. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2717-ADJ |
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