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SPX3819S-L-1-5 Datasheet(PDF) 8 Page - Exar Corporation |
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SPX3819S-L-1-5 Datasheet(HTML) 8 Page - Exar Corporation |
8 / 13 page SPX3819 500mA Low-Noise LDO Voltage Regulator © 2013-2016 Exar Corporation 8/12 Rev. 2.0.3 The SPX3819’s internal reference is available through the BYP pin. Figure 18 represents a SPX3819 standard application circuit. The EN (enable) pin is pulled high (>2.0V) to enable the regulator. To disable the regulator, EN < 0.4V. Fig. 18: Standard Application Circuit The SPX3819 in Figure 19 illustrates a typical adjustable output voltage configuration. Two resistors (R1 and R2) set the output voltage. The output voltage is calculated using the formula: VOUT = 1.235V x [1 + R1/R2] R2 must be >10kΩ and for best results, R2 should be between 22kΩ and 47kΩ. Fig. 19: Typical Adjustable Output Voltage Configuration |
Similar Part No. - SPX3819S-L-1-5 |
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Similar Description - SPX3819S-L-1-5 |
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