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LM22678QTJE-ADJ 데이터시트(PDF) 2 Page - Texas Instruments |
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LM22678QTJE-ADJ 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 23 page Exposed Pad Connect to GND 5 NC 6 FB 3 BOOT 1 SW 2 VIN 4 GND 7 EN LM22678 SNVS585K – SEPTEMBER 2008 – REVISED MARCH 2013 www.ti.com Connection Diagram Figure 1. 7-Lead PFM Package See Package Number NDR0007A PIN DESCRIPTIONS Pin Name Description Application Information 1 SW Switch Pin Switching output of regulator. 2 VIN Input voltage Supply input to the regulator. 3 BOOT Boot-strap input Provides the gate voltage for the high side NFET 4 GND Ground input to regulator; system System ground pin. common 5 NC Not Connected Pin is not electrically connected inside chip. Pin does function as thermal conductor. 6 FB Feedback input Feedback input to regulator 7 EN Enable input Used to control regulator start-up and shutdown. See Precision Enable section of data sheet. EP EP Exposed Pad Connect to ground. Provides thermal connection to PCB. See applications information. These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 2 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LM22678 |
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