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TLE4471 Datasheet(PDF) 9 Page - Infineon Technologies AG |
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TLE4471 Datasheet(HTML) 9 Page - Infineon Technologies AG |
9 / 24 page TLE 4471 Data Sheet 9 Rev. 1.6, 2009-02-03 Output capacitor C Q2 10 – – µF 2) ESR of output capacitor ESR –– 3 Ω at 10 kHz 2) Tracked Output Q3 Output voltage tracking accuracy ∆V Q3 = V Q3 - VQ1 -25 – 25 mV 5.7 V < V I < 19 V; 1 mA < I Q3 < 50 mA Output voltage tracking accuracy ∆V Q3 = V Q3 - VQ1 -25 – 25 mV 5.7 V < V I < 28 V; 1 mA < I Q3 < 40 mA Output voltage tracking accuracy ∆V Q3 = V Q3 - VQ1 -25 – 25 mV 5.7 V < V I < 40 V; 1 mA < I Q3 < 25 mA Output current limit I Q3 55 – 150 mA V Q3 = 0.1 V Output voltage drop V DR3 – – 0.6 V 1 mA ≤ I Q3 ≤ 50 mA Power Supply Ripple Rejection PSRR – 30 – dB 20 Hz < f r < 20 kHz; V PP = 0.5 V; C Q3 = 10 µF 2) Output capacitor C Q3 10 – – µF 2) ESR of output capacitor ESR –– 3 Ω at 10 kHz 2) Matching error between V Q2 and VQ3 ∆V Q2,3 = V Q3 - VQ2 -25 – 25 mV – Current Consumption Quiescent current (standby) I q –– 20 µA Q1 OFF, Q2 OFF; Q3 OFF Current consumption; I q = II - IQ I q –1100 – µA Q3 OFF, I Q1 < 1 mA; I Q2 < 1 mA Current consumption; I q = II - IQ I q –1800 – µA I Q1 < 10 mA; I Q2 < 1 mA; I Q3 < 1 mA Table 4 Characteristics (cont’d) V I = 13.5 V; Tj = -40 °C < Tj < 125 °C Parameter Symbol Limit Values Unit Measuring Condition Min. Typ. Max. |
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