tle4254 Infineon Technologies Corporation, tle4254 Datasheet
tle4254
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tle4254 Summary of contents
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Low Dropout Voltage Tracking Regulator Feature Overview • output current capability • Tight output tracking tolerance to reference • Output voltage adjustable down to 2.0 V • Stable operation with 1 µF ceramic output capacitor • Flexibility of ...
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Pin Definitions and Functions 1.1 Pin Assignment Q 1 GND 2 TLE 4254 GA GND Figure 1 Pin Configurations 1.2 Pin Functions Pin Symbol Function 1 Q Tracker Output. Block to GND with a capacitor close ...
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General Product Characteristics 2.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings T -40 C 150 C; all voltages with respect to ground (unless otherwise specified). j Not subject to production test; specified by design. Pos. Parameter Voltages 2.1.1 Input ...
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Functional Range Pos. Parameter 2.2.1 Input Voltage 2.2.1 Adjust / Enable Input Voltage (Voltage Tracking Range) 2.2.2 Junction Temperature 2.2.3 Output Capacitor 2.2.4 1) Not subject to production test; specified by design. Note: Within the functional range the IC ...
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Electrical Characteristics 3.1 Tracking Regulator V The output voltage is controlled by comparing it to the voltage applied at pin ADJ/EN and driving a PNP pass Q transistor accordingly. The control loop stability depends on the output capacitor temperature ...
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Table 1 Electrical Characteristics Tracking Regulator 13 ADJ/EN FB all voltages with respect to ground (unless otherwise specified). Pos. Parameter 3.1.6 Power Supply Ripple Rejection 3.1.7 Dropout Voltage ...
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Typical Performance Characteristics Tracking Regulator V Tracking Accuracy vs Junction Temperature [mV 0 -40 - 100 ...
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Typical Performance Characteristics Tracking Regulator I Output Current Limitation Q,max V V vs. Input Voltage = 5V I, ADJ,EN 120 SOA_5V.VSD [mA] ADJ 150 ° ...
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Current Consumption Table 2 Electrical Characteristics Current Consumption 13 ADJ/EN FB all voltages with respect to ground (unless otherwise specified). Pos. Parameter 3.2.1 Quiescent Current Stand-by Mode 3.2.2 Current Consumption I ...
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Adjust / Enable Input In order to reduce the quiescent current to a minumum, the TLE 4254 G can be switched to stand-by mode by setting the adjust/enable input “ADJ/EN” to “low”. In case the pin “ADJ/EN is left ...
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Status Output (version GS only) The status output ST indicates an overvoltage or undervoltage situation at the regulator’s output Q. Therefore, the V output voltage is compared to the reference voltage Q a low signal at the status output ...
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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. The ...
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VBAT Figure 3 Application circuit: Output voltage Status Output feedbacked to microcontroller (version GS) In order to obtain a lower output voltage according to Figure 3 has to be used. The output voltage V With a given reference voltage R2 ...
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VBAT Figure 4 Application circuit: Output voltage For output voltages higher than the reference voltage, the voltage divider has to be applied between the feedback and the output according to Figure 4. The equation for the output voltage with respect ...
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Package Outlines 1.27 0.1 +0.1 0.41 -0.05 0 Index Marking -0.2 Index Marking (Chamfer) 1) Does not include plastic or metal protrusion of 0.15 max. per side Figure 5 Outline ...
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Revision History TLE 4254 Revision History: 2006-11-22 Previous Version: n/a Data Sheet 16 TLE 4254 Revision History Rev. 1.0 Rev. 1.0, 2006-11-22 ...
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Edition 2006-11-22 Published by Infineon Technologies AG, 81726 München, Germany Infineon Technologies AG 2006. © All Rights Reserved. Attention please! The information given in this data sheet shall in no event be regarded as a guarantee of conditions or characteristics ...