TLE7368_10 Datasheet, PDF (18/41 Pages) Infineon Technologies AG – Next Generation Micro Controller Supply

TLE7368
General Product Characteristics
Electrical Characteristics (cont’d)
V_IN = V_{IN_STBY} = 13.5 V, T_j = -40 °C to +150 °C,
V_CCP = 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground.
Pos. Parameter
Symbol
Limit Values
Unit
Conditions
Min. Typ. Max.
4.4.79 Undervoltage Reset
V_{URT Q_LDO1,} 4.50 –
threshold on Q_LDO1 _de
4.4.80 Undervoltage Reset
V_{URT Q_LDO1,} 4.55 –
threshold on Q_LDO1 _in
4.4.81 Undervoltage Reset
hysteresis
V_{URO_1, hyst} 100
–
4.75 V
4.90 V
V_{Q_LDO1} decreasing;
V_{FB/L_IN} = open;
V_{Q_LDO1} increasing
220 mV –
4.4.82 Overvoltage Reset
V_{ORT Q_LDO1,} 5.40 –
threshold on Q_LDO1 _in
4.4.83 Overvoltage Reset
V_{ORT Q_LDO1,} 5.25 –
threshold on Q_LDO1 _de
4.4.84 Overvoltage Reset
hysteresis
V_{ORO_1, hyst} 80
–
5.65 V
V_{Q_LDO1} increasing
5.60 V
V_{Q_LDO1} decreasing
180 mV –
4.4.85 RO_1, Reset output low V_{RO_1, low}
–
–
voltage
4.4.86 RO_1, Reset output low V_{RO_1, low}
–
–
voltage
4.4.87 RO_1, Reset output
I_{RO_1, high}
-1
–
leakage
0.4 V
I_{RO_1} = -10 mA;
V_{Q_LDO1} > 2.5 V
0.25 V
V_{IN_STBY} = 3.0 V;
V_{Q_LDO1} = 2.5V;
I_{RO_1} = -500 µA;
1
µA V_{RO_1} = 5.0 V
4.4.88
4.4.89
Reset delay time base
Reset timing capacitor
range
T_cycle
C_RT
41.6 50
0.33 1.0
62.5 µs
4.7 nF
C_RT = 1 nF
–
4.4.90 Reset delay time RO_1 t_{RD, RO_1}
–
4.4.91 Undervoltage Reset
reaction time
t_{UVRR, RO_1}
2
160 –
–
10
T_cycle –
µs Voltage step at Q_LDO1 from
5.00 V to 4.48 V
4.4.92 Overvoltage Reset
reaction time
t_{OVRR, RO_1} 20
–
80 µs Buck converter operating;
Voltage step at Q_LDO1 from
5.00 V to 5.67 V
Reset Generator RO_2 Monitoring Q_LDO2 and FB_EXT
4.4.93
4.4.94
4.4.95
4.4.96
Undervoltage Reset
V_{URT Q_LDO2,} 3.135 –
threshold on Q_LDO2 _de
3.230 V
Undervoltage Reset
V_{URT Q_LDO2,} 55
117.5 –
mV
headroom on Q_LDO2 _head
Undervoltage Reset
V_{URO_2, hyst} 15
–
hysteresis Q_LDO2
Overvoltage Reset
V_{ORT Q_LDO2,} 3.70 –
threshold on Q_LDO2 _in
55 mV
3.85 V
SEL_LDO2 = Q_LDO2;
V_{Q_LDO2} decreasing;
V_{IN_LDO2} = open
SEL_LDO2 = Q_LDO2;
V_{URT Q_LDO2, head}
= V_{Q_LDO2} - V_{URT Q_LDO2, de};
V_{Q_LDO2} @ I_{Q_LDO2} = 500 mA
SEL_LDO2 = Q_LDO2;
V_{URO_2, hyst}
V V = _{URT Q_LDO2, in} - _{URT Q_LDO2, de}
SEL_LDO2 = Q_LDO2;
V_{Q_LDO2} increasing
Data Sheet
18
Rev. 2.1, 2010-11-22