TLE7272 Datasheet, PDF (8/20 Pages) Infineon Technologies AG – 5-V Low Drop Voltage Regulator

TLE 7272
V_Bat
100
nF
1I
TLE 7272
Overtemperature
Shutdown
Bandgap
Reference
1
e. g.
Ignition _{4 INH}
Inhibit
Charge
Pump
GND
3
Q5
Reset
2
Generator _RO
470
nF ²²
kΩ
V_CC
4.7
µF
Reset
AEA03522.VSD
Figure 3 Application Diagram
Input, Output
An input capacitor is necessary for damping line influences. A resistor of approx. 1 Ω in
series with C_I, can damp the LC of the input inductivity and the input capacitor.
The TLE 7272 requires a ceramic output capacitor of at least 470 nF to assure stability
of the regulation loop. In order to damp influences resulting from load current surges it is
recommended to add an additional electrolytic capacitor of 4.7 µF to 47 µF at the output
as shown in Figure 3.
Data Sheet
8
Rev. 1.0a, 2005-02-08