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LM22671MRX-5.0 Datasheet(PDF) 2 Page - Texas Instruments |
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LM22671MRX-5.0 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 25 page Exposed Pad Connect to GND RT/SYNC 3 FB 4 BOOT 1 SS 2 8 SW 7 VIN 6 GND 5 EN LM22671-ADJ VIN EN SW BOOT FB GND VIN VOUT RT/SYNC SS LM22671 SNVS589M – SEPTEMBER 2008 – REVISED APRIL 2013 www.ti.com Simplified Application Schematic Connection Diagram Figure 1. 8-Lead Plastic SO PowerPAD Package Package Number DDA0008B PIN DESCRIPTIONS Pin Name Description Application Information 1 BOOT Bootstrap input Provides the gate voltage for the high side NFET. 2 SS Soft-start pin Used to increase soft-start time. See Soft-Start section of data sheet. 3 RT/SYNC Oscillator frequency adjust pin or Used to control oscillator mode of regulator. See Switching Frequency frequency synchronization Adjustment and Synchronization section of data sheet. 4 FB Feedback pin Feedback input to regulator. 5 EN Precision enable pin Used to control regulator start-up and shut-down. See Precision Enable and UVLO section of data sheet. 6 GND System ground System ground pin. 7 VIN Source input voltage Supply input to the regulator. 8 SW Switch pin Switching output of regulator. EP EP Exposed Pad Connect to ground. Provides thermal connection to PCB. See Application 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: LM22671 |
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