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TLE42344G Datasheet

Low Dropout Linear Voltage Regulator

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TLE42344G
Low Dropout Linear Voltage Regulator
Data Sheet
Rev. 1.0, 2010-02-08
Automotive Power


Infineon Technologies Electronic Components Datasheet

TLE42344G Datasheet

Low Dropout Linear Voltage Regulator

No Preview Available !

Low Dropout Linear Voltage Regulator
TLE42344G
1 Overview
Features
• Output voltage tolerance ≤ ±2%
• Low dropout voltage
• Output current up to 100 mA
• Very low current consumption
• Overtemperature shutdown
• Output current limitation
• Suitable for use in automotive electronics
• Reverse polarity protection
• Green Product (RoHS compliant)
• AEC Qualified
PG-SOT223-4
Functional Description
TLE42344G is a 5 V low dropout fixed voltage regulator in an PG-SOT223-4 package. The IC regulates an input
voltage VI in the range 5.5 V < VI < 45 V to VQrated = 5.0 V. The maximum output current is more than 100 mA. This
IC is protected against shortcircuit and overheat by the integrated output current limitation and the
overtemperature shutdown
Dimensioning Information on External Components
The input capacitor Ci is necessary for compensating line influences. The output capacitor CQ is necessary for the
stability of the regulating circuit. Stability is guaranteed at values CQ 10 µF and an ESR 10 within the
operating temperature range.
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.
Type
TLE42344G
Data Sheet
Package
PG-SOT223-4
2
Marking
42344
Rev. 1.0, 2010-02-08


Part Number TLE42344G
Description Low Dropout Linear Voltage Regulator
Maker Infineon Technologies
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TLE42344G Datasheet PDF






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