TLE4299_07 Datasheet, PDF (10/25 Pages) Infineon Technologies AG – Low-Drop Fixed Voltage Regulator

TLE 4299
Characteristics (cont’d)
V_I = 13.5 V; T_j = – 40 °C < T_j < 150 °C
Parameter
Symbol Limit Values Unit Measuring Condition
min. typ. max.
Reset Generator
Switching threshold
Reset threshold
headroom
V_rt
3.00 3.10 3.20 V –
V_RTHEAD 50 200 300 mV –
Reset pull up
R_RO
Reset low voltage
V_R
External reset pull up
V_{R ext}
Delay switching threshold V_DT
Switching threshold
V_ST
Reset delay low voltage V_D
Charge current
I_ch
Power-up Reset delay t_d
time
10 20 40 kΩ
– 0.17 0.40 V
5.6 – – kΩ
1.6 1.85 2.35 V
0.35 0.50 0.60 V
– – 0.1 V
2.0 3.5 6.0 µA
36 51 60 ms
–
V_Q < 3.0 V; internal R_RO;
I_R = 1 mA
Pull up resistor Q
–
–
V_Q < V_RT
V_D = 1 V
C_D = 100 nF
Reset reaction time
Reset Adjust Switching
Threshold
t_rr
VRADJ
TH
0.5 1.2 3.0 µs
1.26 1.36 1.44 V
C_D = 100 nF
V_Q < 3.5V
Input Voltage Sense
Sense threshold high
Sense threshold low
Sense input switching
hysteresis
V_{SI high} 1.34 1.45 1.54 V –
V_{SI low} 1.26 1.36 1.44 V –
V_{SI HYST} 50 90 130 mV V_{SI HYST} = V_{SI high} – V_{SI low}
Sense output low voltage V_{SO low}
External SO pull up
resistor
R_{SO ext}
– 0.1 0.4
5.6 – –
V V_SI < 1.20 V; V_i > 4.2 V;
I_SO = 1mA
kΩ –
Sense input current
I_SI
– 1 0.1 1 µA Si > 1.0V
Datasheet
10
Rev. 1.1, 2007-10-17