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IFX20002 Datasheet(PDF) 9 Page - Infineon Technologies AG |
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IFX20002 Datasheet(HTML) 9 Page - Infineon Technologies AG |
9 / 12 page IFX20002 Application Information Data Sheet 9 Rev. 1.0, 2013-01-12 6 Application Information Note: The following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. Figure 3 Application Diagram The output voltage of the IFX20002 is divided and compared to an internal reference of 2.5 V typical. A regulation loop controls the output to achieve a stabilized output voltage. Figure 3 shows a typical application circuit. In order to maintain the stability of the control loop the IFX20002 output requires an output capacitor C Q of at least 3.3 μF with a maximum permissible ESR of 2 Ω. It is recommended to use a multi layer ceramic capacitor for C Q, e.g. the TDK C3216X7R1C475M with a nominal capacitance of 4.7 μF. Aluminum electrolytic as well as tantalum capacitors do not cover the required ESR range over the full operating temperature range of T j = -40 °C to +125 °C. At the input of the regulator an input capacitor is necessary for compensating line influences (100 nF ceramic capacitor recommended). A resistor of approx. 1 Ω in series with C I can dampen oscillations that could occur due to the input inductivity and the input capacitor. If the regulator is sourced via long input lines of several meters it is recommended to place an additional electrolytic capacitor ≥ 47 μF at the input. CQ CI I GND Q INH IFX20002 V I 4.7µF 100nF Inhibit V Q |
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Similar Description - IFX20002 |
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