TLE4268 Siemens Semiconductor Group, TLE4268 Datasheet
TLE4268
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TLE4268 Summary of contents
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Low-Drop Fixed Voltage Regulator Features • Output voltage tolerance • Very low current consumption • Low-drop voltage • Watchdog • Settable reset threshold • Overtemperature protection • Reverse polarity protection • Short-circuit proof • Suitable for use in automotive ...
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Pin Configuration (top view) Figure 1 Pin Definitions and Functions Pin Symbol Function 1 V Input voltage Not connected 3 QRES Reset output 4 GND Ground 5 DRES Reset delay 6 SRES Reset switching threshold 7 ...
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Pin Configuration (top view) Figure 2 Pin Definitions and Functions Pin Symbol Function 13 Not connected. 19 QRES Reset output; the open collector output is connected to the 5-V output via an integrated ...
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Circuit Description The control amplifier compares a reference voltage, which is kept highly accurate by resistance adjustment voltage that is proportional to the output voltage and drives the base of the series transistor via a buffer. Saturation control ...
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Absolute Maximum Ratings T = – 150 C j Parameter Input Input voltage Input current Reset Output Voltage Current Reset Delay Voltage Current Watchdog Watchdog input Reset Input Reset threshold Output Output voltage Output current Ground Current Temperatures ...
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Operating Range Parameter Input voltage Junction temperature Thermal Resistance Junction ambient (soldered) Junction case Optimum reliability and life time are guaranteed if the junction temperature does not exceed 125 C in operating mode. Operation the maximum junction ...
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Characteristics (cont’ 13.5 V; – Parameter Symbol Reset Generator V Switching threshold RT V Switching voltage RE V Saturation voltage R Saturation voltage V C Charging current I d Delay switching V DU ...
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Outside the control range Dr Q Figure 4 Test Circuit Power-on-Reset Thermal Shutdown Figure 5 Timing (Watchdog Disabled) Semiconductor ...
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DUL DRL Figure 6 Timing of the Watchdog Function Semiconductor Group DWL ) ( + ) V ...
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V Drop Voltage versus Dr I Output Current 700 600 500 400 T = 125 C j 300 200 100 100 150 200 Current Consumption versus ...
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I Charge Current and Discharge d I Current versus Temperature 13 1 dis Output Voltage V versus Q Temperature ...
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Package Outlines P-DSO-8-1 (Plastic Dual Small Outline) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. SMD = Surface Mounted Device Semiconductor Group 12 TLE 4268 Dimensions in mm 1998-11-01 ...
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Package Outlines (cont’d) P-DSO-20-6 (Plastic Dual Small Outline) 1.27 +0. 12.8 Index Marking 1) Does not include plastic or metal protrusions of 0.15 max per side 2) Does not include dambar protrusion of 0.05 max per ...