TLE4470_08 Datasheet, PDF (12/24 Pages) Infineon Technologies AG – Dual Low-Drop Voltage Regulator Very low dropout

TLE 4470
Table 5
Electrical Characteristics (cont’d)
V_I1 = V_I2 = 14 V; V_DIS < V_DISL; -40 °C < T_j < 150 °C; unless otherwise specified
Parameter
Symbol
Limit Values Unit Test Condition
Min. Typ. Max.
Sense Input SI and Output SQ
Sense threshold
voltage
V_SITH
1.28 1.35 1.45 V V_SI decreasing
Sense threshold
hysteresis
V_SIHY
25 60 100 mV –
Sense output low
voltage
V_SQL
Sense output high V_SQH
voltage
–
0.15 0.4 V
4.5 –
–
V
R_SQ = 10 kΩ externally
connected to Q1;
V_SI < 1.1 V; V_I1 > 4.5 V
–
Sense pull-up
resistor
R_SQ
20 30 45 kΩ Internally connected to
Q1
1) Measured when the output voltage V_Q has dropped 100 mV from the nominal value.
2) Square wave at V_I: 8 V to 18 V; f = 10 kHz; t_r = t_f ≤ 100 ns.
3) V_Q2 connected to ADJ2.
Data Sheet
12
Rev. 1.2, 2008-03-20