TLE4251_07 Datasheet, PDF (1/13 Pages) Infineon Technologies AG – Low Drop Voltage Tracker 400 mA output current capability

Low Drop Voltage Tracker
TLE 4251
Features
• Output tracking tolerance ≤ ±0.2%
• 400 mA output current capability
• Enable Function
• Very low current consumption in OFF mode
• Wide operation range: up to 40 V
• Wide temperature range: -40 °C ≤ T_j ≤ 150 °C
• Output protected against short circuit
• Overtemperature protection
• Reverse polarity proof
• Green Product (RoHS compliant)
• AEC Qualified
P-TO252-5-11
Functional Description
The TLE 4251 is a monolithic integrated low drop voltage
tracker in the very small SMD package PG-TO252-5-1. It
is designed to supply e.g. sensors under the severe
P-TO263-5-1
conditions of automotive applications. Therefore the
device is equipped with additional protection functions against overload, short circuit and
reverse polarity.
Supply voltages up to 40 V are tracked to a reference voltage given to the adjust input
via an external resistor.
The output is able to drive loads up to 400 mA while it follows e.g. the 5 V output of a
main voltage regulator within an accuracy of 0.5%. For loads up to 300 mA the tracking
accuracy is 0.2%.
The TLE 4251 can be switched in stand-by mode via the enable EN input which causes
the current consumption to drop to very low values. This feature makes the IC suitable
for low power battery applications.
Type
TLE 4251 D
TLE 4251 G
Data Sheet
Package
PG-TO252-5-11
PG-TO263-5-1
1
Rev. 2.9, 2007-03-20