TLE4471_09 Datasheet, PDF (10/24 Pages) Infineon Technologies AG – Triple Voltage Regulator

TLE 4471
Table 4
Characteristics (cont’d)
V_I = 13.5 V; T_j = -40 °C < T_j < 125 °C
Parameter
Symbol
Limit Values
Unit Measuring Condition
Min. Typ. Max.
Enable Function E1, E2, E3, EN
E1 On threshold
V_{E1, on}
E1 Off threshold
V_{E1, off}
E1 High input current I_{E1, on}
E1 Low input current I_{E1, off}
E2 On threshold
V_{E2, on}
E2 Off threshold
V_{E2, off}
E2 resistance to GND R_E2
E3 On threshold
V_{E3, on}
E3 Off threshold
V_{E3, off}
E3 High input current I_{E3, on}
E3 Low input current I_{E3, off}
EN On threshold
V_{EN, on}
EN Off threshold
V_{EN, off}
Enable resistance to R_EN
GND
3.5 4.1 4.5 V
1.5 – 2.5 V
V_Q1 > 4.8 V; V_Q2 > 4.8 V
–
–
50 –
µA V_E1 = 16 V
-1 – 5
µA V_E1 = 0 V
1.3 1.7 2.0 V V_Q1 > 4.8 V; V_Q2 > 4.8 V
0.8 1.2 1.7 V –
5
15 40 kΩ –
3.5 –
1.5 –
4.5 V
2.5 V
V_Q1 > 4.8 V; V_Q2 > 4.8 V
–
–
50 –
µA V_E3 = 16 V
-1 – 5
µA V_E3 = 0 V
1.0 1.7 2.3 V V_Q3 > 4.8 V; Q1 ON
0.8 1.2 1.7 V V_Q3 < 0.1 V
5
15 40 kΩ –
Reset Generator
Switching threshold V_{Q, rth}
4.5 4.65 4.8 V
RADJ connected to
GND
Reset headroom
Reset pull-up
Reset output low
voltage
V_head
R_R
V_{R, low}
250 350 500 mV 10 mA < I_Q1 < 450 mA
2.4 –
6
kΩ –
–
–
0.4 V 1 V < V_Q1 < V_{Q, rth}
Reset output Low
V_{R, low}
–
–
0.4 V V_Q1 = 1 V, I_R = 50 µA
voltage
Reset output High
V_{R, high}
4.5 –
–
voltage
V–
Reset adjust
threshold
V_RADJ
1.25 1.35 1.45 V V_Q1 > 3.5 V
Data Sheet
10
Rev. 1.6, 2009-02-03