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TLE4471INFINEONN/a158avaiVoltage Regulator


TLE4471 ,Voltage RegulatorFeatures• Triple Voltage Regulator Output Voltage 5 V with 450 mA Current Capability Two tracked ..
TLE4471 G ,Triple Voltage RegulatorFeatures• Triple Voltage Regulator Output Voltage 5 V with 450 mA Current Capability Two tracked ..
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TLE4471G ,Triple Voltage Regulatorapplications as well.The TLE 4471 operates in the temperature range of T = – 40 to 150 °C.jData She ..
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TLE4471
Voltage Regulator
Triple Voltage Regulator TLE4471
Data Sheet
Features
Triple Voltage RegulatorOutput Voltage 5V with 450mA Current CapabilityTwo tracked Outputs for 50mA and 100mAEnable Function for main and tracked Output(s)Reset with adjustable ThresholdUndervoltage- and Power On-ResetWatchdogIndependent Watchdog- and ResetdelayWide Temperature RangeOvertemperature ProtectionOvervoltage ProtectionReverse Polarity Proof New type
Functional Description

The TLE4471 is a monolithic integrated very low-drop triple voltage regulator. The main
output supplies loads up to 450mA and the additional tracked outputs can provide up tomA and 100mA. In addition the device includes a watchdog for
microcontroller-supervision, an under-voltage reset, a power on reset and extended
enabling features. The watchdog and reset timing can be chosen independently of each
other. The TLE4471 is available in the P-DSO-20-12 power package. It is designed to
supply microprocessor systems under the severe condition of automotive applications
and therefore it is equipped with additional protection against overload, short circuit and
overtemperature. Of course the TLE4471 can be used in other applications as well.
The TLE4471 operates in the temperature range of Tj = – 40 to 150 °C.
Figure1Block Diagram

Figure2Pin Configuration (top view)

Pin Definitions and Functions
Pin Definitions and Functions (cont’d)
Absolute Maximum Ratingsj=–40to150°C
Input I
Main Output Q1
Tracking Output Q2
Tracking Output Q3
Enable Input E1
Enable Input E2
Enable Input E3
Enable Input EN
Reference Output REF2
Reference Output REF3
Reset Adjust Input RADJ
Reset Delay DR
Reset Output R
Absolute Maximum Ratings (cont’d)
j=–40to150°C
Note:Stresses above those listed here may cause permanent damage to the device.
Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Watchdog Delay DW
Watchdog Input W
Temperature
Thermal Data
ESD
Absolute Maximum Ratings (cont’d)
j=–40to150°C
Note:In the operating range, the functions given in the circuit description are fulfilled.
Operating Range
CharacteristicsI=13.5V; Tj=–40 °C
Main Output Q1Measured when the output voltage VQ dropped 100mV from the nominal value.
Tracked Output Q2
Tracked Output Q3
Characteristics (cont’d)
I=13.5V; Tj=–40 °CCurrent Consumption
Characteristics (cont’d)
I=13.5V; Tj=–40 °CEnable Function E1, E2, E3, EN
Characteristics (cont’d)
I=13.5V; Tj=–40 °CReset Generator
Characteristics (cont’d)
I=13.5V; Tj=–40 °C
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