TLE4471 Infineon Technologies AG, TLE4471 Datasheet
TLE4471
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TLE4471 Summary of contents
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Triple Voltage Regulator Features • Triple Voltage Regulator • Output Voltage 5 V with 450 mA Current Capability • Two tracked Outputs for 50 mA and 100 mA • Enable Function for main and tracked Output(s) • Reset with adjustable ...
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RADJ W DW Figure 1 Block Diagram Data Sheet Self Protection - Over Temperature - Short Circuit - Reverse Polarity Proof ESD Protection Main 5 V ±2%, 450 mA Regulator Tracker 1 100 ...
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Figure 2 Pin Configuration (top view) Table 1 Pin Definitions and Functions Pin No. Symbol Function 1, 10, 11, GND GROUND; all four pins connected to the heat sink Enable 1; Enable for Main Output Q1 and ...
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Table 1 Pin Definitions and Functions (cont’d) Pin No. Symbol Function 14 EN Enable Input; enables Q3 15 REF3 Reference Output; Reference Voltage related to Q3 Enable 3; Enable for Main Output Q1 and Q2; E1, E2 and ...
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Table 2 Absolute Maximum Ratings 150 Parameter Input I Input voltage Main Output Q1 Output voltage Output current Tracking Output Q2 Output voltage Output current Tracking Output Q3 Output voltage Output current Enable ...
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Table 2 Absolute Maximum Ratings (cont’ 150 Parameter Reference Output REF3 Output voltage Output current Reset Adjust Input RADJ Input Voltage Input Current Reset Delay DR Voltage Reset Output R Voltage Watchdog Delay ...
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Table 3 Operating Range Parameter Input voltage Junction temperature Shutdown voltage threshold Note: In the operating range, the functions given in the circuit description are fulfilled. Data Sheet Symbol Limit Values Min. Max -40 150 ...
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Table 4 Characteristics 13 < Parameter Symbol Main Output Q1 V Output voltage V Output voltage V Output voltage I Output current limit Q1 V Output voltage drop V Line ...
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Table 4 Characteristics (cont’ 13 < Parameter Symbol C Output capacitor ESR ESR of output capacitor Tracked Output Q3 V Output voltage V tracking accuracy V Output voltage V tracking ...
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Table 4 Characteristics (cont’ 13 < Parameter Symbol Enable Function E1, E2, E3 threshold V E1 Off threshold I E1 High input current E1 ...
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Table 4 Characteristics (cont’ 13 < Parameter Symbol I Reset delay charging DR, ch current I Reset delay DR, dis discharge current V Upper reset timing threshold V Lower timing ...
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Table 4 Characteristics (cont’ 13 < Parameter Symbol Reference Output REF3 V Voltage divider ratio R Output impedance Output clamp voltage – 1) Measured when the output voltage 2) Not ...
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100 nF RADJ V RADJ 100 nF Figure 3 Measurement Circuit ...
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Application Information V KL. 30 BAT Ignition KL. 15 Enable-Signal Figure 4 Application Diagram Input With an input voltage between 5.5 V < operating range. If the input voltage exceeds the for less than ...
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Output Voltage To obtain an output voltage of an input voltage in the range of 5.5 V < with 450 mA current capability. For stability it requires an output capacitor of at least 22 F and a maximum ...
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The reset delay time is defined by the reset delay capacitor dr calculated as follows -------------- - = Definitions: C • = reset delay capacitor DR t ...
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rth Power-on-Reset Thermal Shutdown Figure 5 Reset Timing The reset output is an open collector output with a pull-up-resistor of typical Q1. An external pull-up ...
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I V rth,ref Figure 6 Adjusting the Reset Threshold For using the preadjusted reset threshold voltage of typical has to be connected to GND lower reset threshold is required by the system, a voltage divider defines the reset ...
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Watchdog The reset and watchdog timing can be defined independently of each other by two delay C C capacitors and at pins DR and DW The watchdog function supervises the microcontroller including time base failures. If there is ...
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Power Supply Ripple Rejection Main Output Q1 versus Frequency µ PSRR 450 Power Supply Ripple Rejection Output Q3 versus ...
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I I Enable Currents , Voltage versus Enable Voltages µ Data Sheet and Output Enable Currents ...
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Package Outlines 1.1 ±0.1 1.27 +0.13 0.4 20 Index Marking 45˚ 1) Does not include plastic or metal protrusion of 0.15 max. per side Figure 8 P-DSO-20-12 (Plastic Dual Small Outline) You can find all of our ...
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... Edition 2004-01-01 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 München, Germany © Infineon Technologies AG 2004. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein ...