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TLE4264-2G |TLE42642GINFINEONN/a60000avaiVoltage Regulator


TLE4264-2G ,Voltage Regulatorapplications, wherever a stabilized voltage isrequired.An input voltage V in the range of 5.5 V < V ..
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TLE4264-2G
Voltage Regulator
Functional Description
The TLE4264-2 is a monolithic integrated low-drop fixed voltage regulator which can
supply loads up to 150mA. It is functional compatible to the TLE4264, but has a
reduced quiescent current of typ. 40µA. The TLE4264-2 is especially designed for all
applications which require very low quiescent currents. The device is available in the
small surface mounted P-SOT223-4-1 package. The device is pin compatible to the
TLE4264. The regulator is designed to supply microprocessor systems under the
severe condition of automotive applications and is therefore equipped with additional
protection against overload, short-circuit and overtemperature. Of course the
TLE4264-2 can be used in all other applications, wherever a stabilized voltage is
required.
An input voltage VI in the range of 5.5 V < VI < 45 V is regulated to VQ,nom = 5 V with an
accuracy of ± 3%. An accuracy of ± 2% is kept for a load current range up to 50mA.
The device operates in the temperature range of Tj = – 40 to 150 °C.
5-V Low-Drop Fixed-Voltage Regulator
Features
Output voltage tolerance ≤ ± 3% (± 2% up to 50mA)150 mA current capabilityLow-drop voltageVery low current consumption: 40 µAOvertemperature protectionShort-circuit proofSuitable for use in automotive electronicsReverse polarity proof
TLE4264-2
Figure1Pin Configuration (top view)
Figure2Pin Configuration (top view) (cont‘d)
Pin Definitions and Functions
Circuit Description
The control amplifier compares a reference voltage, which is kept highly precise by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control, working as a function of
load current, prevents any over-saturation of the power element. The IC is additionally
protected against overload, overtemperature and reverse polarity.
Figure3Block Diagram
Absolute Maximum Ratings
Input I
Output Q
Ground GND
Temperatures
Thermal Resistances
Operating Range
Package mounted on PCB 80×80×1.5mm3; 35µ Cu; 5µ Sn; Footprint only; zero airflow.Measured to pin 4.
Absolute Maximum Ratings
Characteristics
VI = 13.5V; –40°C ≤Tj ≤ 125°C, unless specified otherwiseDrop voltage = VI –VQ (measured where VQ has dropped 100mV from the nominal value obtained at VI =
13.5V)
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