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LM2641 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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LM2641 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 31 page LM2641 www.ti.com SNVS040B – JANUARY 2000 – REVISED APRIL 2013 Pin Descriptions(1) (continued) Pin # Name Function 21 CSL1 The sense point for the negative side of the voltage across the current sense resistor (R4) placed in series with output #1. 22 LIN This pin provides a low-current (50 mA max) 5V output. This output is always on, and can not be turned off by either the SD or ON/OFF pins. 23 IN This is the connection for the main input power. 24 LDRV2 The drive for the gate of the low-side switching FET (synchronous rectifier) used for output #2. 25 CBOOT2 The bootstrap capacitor (C9) for output #2 is returned to this point. 26 SW2 This is the switching output drive point of the two power FETs which produce output #2. 27 HDRV2 The drive for the gate of the high-side switching FET used for output #2. 28 CSL2 The sense point for the negative side of the voltage across the current sense resistor (R13) placed in series with output #2. Typical Application Circuits Figure 2. Application With 5V/3A and 3.3V/4A Outputs Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2641 |
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