TLE7270 Datasheet, PDF (7/14 Pages) Infineon Technologies AG – 5-V Low Drop Voltage Regulator

TLE 7270
Application Information
V
Bat
100
nF
1I
TLE 7270
Overtemperature
Shutdown
Bandgap
Reference
1
Q5
Reset RO 2
Generator
with
Selectable DT 4
Timing
470
nF
22
k
V
CC
4.7
µF
Reset
Charge
Pump
GND
3
AEA03519.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 7270 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
7
Rev. 1.03, 2004-10-14