TLE4271 Datasheet, PDF (11/20 Pages) Siemens Semiconductor Group – 5-V Low-Drop Fixed Voltage Regulator

TLE 4271
V_Ι
V _{Q V RT}
V _D ^V _DU
V _DRL
t_d
t _RR
V_R
< t _RR
dV
dt
=_C^Ι
d
d
Power-on-Reset Thermal
Shutdown
Figure 5
Time Response
Voltage Drop Undervoltage Secondary Load
at Input
Spike Bounce
AES01927
V_W
V_Ι
V_Q
V _D ^V _DU
V _DWL
V_R
t _wt
t_w
t _wr
t_w
=
(V_DU - V_DWL ) ( Ι _dis
Ι _d x Ι _dis
+ Ι_d)
C_D
t _wt =
V_DU - V_DWL
Ι _dis
C_D
Figure 6
Time Response, Watchdog Behavior
Semiconductor Group
11
t _wr =
V_DU - V_DWL
Ι_d
C_D = (Watchdog Reset Time)
AES01943
1998-11-01