TLE4253 Datasheet, PDF (16/22 Pages) Infineon Technologies AG – Low Dropout Voltage Tracking Regulator

TLE4253
Application Information
6
Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
The application circuits shown are simplified examples. The function must be verified in the real application.
VBAT
Main µC supply, e.g.
I TLE4271-2 Q
TLE4278
TLE4470
etc.
GND
VREF
µC, e.g. C167
VDD
I/O
EN/
5 ADJ
1
Q
TLE 4253 G
I
8
GND
2, 3, 6, 7
4
FB
e.g. off board
supply,
sensors
Figure 3 Application circuit: Output voltage V_Q equal to reference voltage V_REF
Figure 3 shows the typical schematic for applications where the tracker output voltage equals the reference
voltage V_REF applied to the pin “EN/ADJ”. The pin “FB” is connected directly to the output. The reference voltage
is directly applied “EN/ADJ”.
Data Sheet
16
Rev. 1.2, 2009-11-09