TLE4271-2_07 Datasheet, PDF (8/23 Pages) Infineon Technologies AG – 5-V Low Drop Fixed Voltage Regulator Output voltage tolerance ≤ ±2%

TLE 4271-2
Table 4
Characteristics (cont’d)
V_I = 13.5 V; -40 °C ≤ T_j ≤ 125 °C; V_INH > V_U,INH (unless otherwise specified)
Parameter
Symbol
Limit Values
Unit Test Condition
Min. Typ. Max.
Reset Generator
Switching threshold V_RT
4.5
Reset high voltage V_ROH
4.5
Saturation voltage V_RO,SAT –
Saturation voltage V_RO,SAT –
Reset pull-up
R
18
4.65 4.8
–
–
60
–
200 400
30
46
V–
V–
mV R_intern = 30 kΩ;
1.0 V ≤ V_Q ≤ 4.5 V
mV I_R = 3 mA²⁾;
V_Q = 4.4 V
kΩ internally connected
to Q
Lower reset timing V_LD
threshold
0.2
0.45 0.8
V V_Q < V_RT
Charge current
I_D
8
14
25
µA V_D = 1.0 V
Upper timing
threshold
V_UD
1.4 1.8 2.3 V –
Delay time
t_D
Reset reaction time t_RR
Overvoltage Protection
8
13
18
ms C_D = 100 nF
–
–
3
µs C_D = 100 nF
Turn-off voltage
Inhibit
V_{I, ov}
40
44
46
V–
Turn-on voltage
Turn-off voltage
Inhibit current
Watchdog
V_U,INH
1.0
2.0
3.5
V V_Q = high (> 4.5 V)
V_L,INH
0.8
1.3
3.3
V V_Q = low (< 0.8 V)
I_INH
8
12
25
µA V_INH = 5 V
Upper watchdog
V_UDW
1.4 1.8
2.3 V –
switching threshold
Lower watchdog
V_LDW
switching threshold
0.2 0.45 0.8 V –
Discharge current
Charge current
Watchdog period
I_DWD
I_DWC
t_WD,P
1.5 2.7 3.5 µA V_D = 1 V
8
14
25
µA V_D = 1 V
40
55
80
ms C_D = 100 nF
Data Sheet
8
Rev. 2.7, 2007-06-25