tle4254 Infineon Technologies Corporation, tle4254 Datasheet - Page 12

• Manufacturer Part Number: tle4254
• Description: Low Dropout Voltage Tracking Regulator
• Manufacturer: Infineon Technologies Corporation

4
Note: The following information is given as a hint for the implementation of the device only and shall not be
Figure 2
Figure 2 shows a typical schematic for applications where the tracker output voltage
voltage
reference voltage is directly applied to “EN/ADJ”.
Data Sheet
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.
V
REF
Application Information
Application circuit: Output voltage
VBAT
VBAT
applied to the pin “EN/ADJ”. At version GA, the pin FB is directly connected to the output “Q”. The
I
I
Main µC supply
Main µC supply
TLE4271-2
TLE6368...
TLE4271-2
TLE6368...
TLE4471
TLE4471
e.g.
e.g.
GND
GND
Q
Q
VREF
V
Q
VREF
equal to reference voltage
12
5
8
5
8
EN/
ADJ
I
EN/
ADJ
I
TLE 4254 GA
TLE 4254 GS
2, 3, 6, 7
2, 3, 6, 7
GND
GND
FB
ST
Q
Q
VDD
VDD
4
1
1
4
I/O
micro controller
micro controller
I/O
TC17xx
TC17xx
XC16X
XC16X
C167,
C167,
V
e.g.
e.g.
ADJ/EN
I/O
Application Information
V
Q
e.g. off board
VQ < VREF
Rev. 1.0, 2006-11-22
equals the reference
sensors
supply,
TLE 4254