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LM2623QNHLRQ1 датащи(PDF) 11 Page - Texas Instruments |
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LM2623QNHLRQ1 датащи(HTML) 11 Page - Texas Instruments |
11 / 20 page LM2623-Q1 VIN + C1 22 µF R3 150 k Ÿ C3 4.7pF FREQ PGND SGND VDD EN BOOT FB C2 100 µF tantalum RF1 300 k Ÿ RF2 100 k Ÿ D1 3 A SW CVDD 1 µF 3.3 V 2,3 9 6 12,13 5 10 4 11 NC 1,7,8,14 L1 4.7 µH Copyright © 2017, Texas Instruments Incorporated 11 LM2623-Q1 www.ti.com SNVSAO5 – OCTOBER 2017 Product Folder Links: LM2623-Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 8 Applications 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 LM2623-Q1 is suitable for automotive applications, and supports shutdown mode for low quiescent current when EN input is low. Output voltage level can be adjusted by changing feedback resistor divider values from 1.24-V to 14-V range. The maximum switching frequency is 2MHz. 8.2 Typical Application Figure 9. LM2623-Q1 Typical Application 8.2.1 Design Requirements The LM2623-Q1 allows the designer to vary output voltage, operating frequency and duty cycle to optimize device performance (see Detailed Design Procedure for details). For typical boost-converter applications, use the parameters listed in Table 1. Table 1. Design Parameters DESIGN PARAMETER EXAMPLE VALUE Input voltage 0.9 V to 14 V Output voltage 1.24 V to 14 V (adjustable) Output current 2 A (maximum) |
Аналогичный номер детали - LM2623QNHLRQ1 |
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Аналогичное описание - LM2623QNHLRQ1 |
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