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LMZ12003 bảng dữ liệu(PDF) 11 Page - Texas Instruments |
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LMZ12003 bảng dữ liệu(HTML) 11 Page - Texas Instruments |
11 / 28 page EP VIN CIN2 10 2F Enable 4.5V to 20V CFF 0.022 2F U1 CSS 0.022 2F RFBB 1.07k LMZ12003TZ-ADJ 1.8VO @ 3A CO1 1 2F CO2 100 2F RON 32.4k RENT 32.4k RENB 11.8k RFBT 1.37k CIN1 1 2F LMZ12003 www.ti.com SNVS636O – DECEMBER 2009 – REVISED AUGUST 2015 8 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 8.1 Application Information The LMZ12003 is a step-down DC-to-DC power module. It is typically used to convert a higher DC voltage to a lower DC voltage with a maximum output current of 3 A. The following design procedure can be used to select components for the LMZ12003. Alternately, the WEBENCH software may be used to generate complete designs. When generating a design, the WEBENCH software uses iterative design procedure and accesses comprehensive databases of components. Please go to www.ti.com for more details. 8.2 Typical Application Figure 16. Evaluation Board Schematic Diagram 8.2.1 Design Requirements For this example the following application parameters exist. • VIN Range = Up to 20 V • VOUT = 0.8 V to 6 V • IOUT = 3 A 8.2.2 Detailed Design Procedure The LMZ12003 is fully supported by WEBENCH and offers the following: component selection, electrical and thermal simulations, as well as the build-it board for a reduction in design time. The following list of steps can be used to manually design the LMZ12003 application. 1. Select minimum operating VIN with enable divider resistors 2. Program VO with divider resistor selection Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LMZ12003 |
Số phần tương tự - LMZ12003_15 |
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Mô tả tương tự - LMZ12003_15 |
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