TLE7368 Datasheet, PDF (19/39 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.
4.4.98 Overvoltage Reset
V_{ORT Q_LDO2,} 2.85 –
threshold on Q_LDO2 _in
4.4.99 Overvoltage Reset
V_{ORT Q_LDO2,} 2.73 –
threshold on Q_LDO2 _de
4.4.100 Overvoltage Reset
V_{ORO_2, hyst} 50
–
hysteresis Q_LDO2
3.0 V SEL_LDO2 = GND;
V_{Q_LDO2} increasing
2.95 V SEL_LDO2 = GND;
V_{Q_LDO2} decreasing
120 mV SEL_LDO2 = GND;
4.4.101 Undervoltage Reset
V_{URT FB_EXT,} 1.425 –
threshold on FB_EXT _de
4.4.102 Undervoltage Reset V_{FB_EXT} - 40
60
headroom on FB_EXT V_{URT FB_EXT,}
de
4.4.103 Undervoltage Reset
V_{URO_2, hyst} 15
–
hysteresis FB_EXT
1.480 V
–
mV
45 mV
V_{FB_EXT} decreasing;
V_{FB/L_IN} = 5 V
or V_{Q_LDO2} = 3.3/2.6 V
V_{FB/L_IN} = 5 V
or V_{Q_LDO2} = 3.3/2.6 V;
V_{FB_EXT} @ I_{FB_EXT} = 1 A
–
4.4.104 Overvoltage Reset
V_{ORT FB_EXT,} 1.65 –
threshold on FB_EXT _in
4.4.105 Overvoltage Reset
V_{ORT FB_EXT,} 1.55 –
threshold on FB_EXT _de
4.4.106 Overvoltage Reset
V_{ORO_2, hyst} 50
–
hysteresis FB_EXT
1.72 V
V_{FB_EXT} increasing
1.67 V
V_{FB_EXT} decreasing
120 mV –
4.4.107 RO_2, Reset output low V_{RO_2, low}
–
–
voltage
4.4.108 RO_2, Reset output low V_{RO_2, low}
–
–
voltage
4.4.109 RO_2, Reset output
I_{RO_2, high}
-1
–
leakage
0.4 V
I_{RO_2} = -10 mA;
V_{Q_LDO2} > 2.0 V
0.25 V
I_{RO_2} = -500 µA;
V_{Q_LDO2} = 1V
1
µA V_{RO_2} = 5.0 V
4.4.110 Reset delay time RO_2 t_{RD, RO_2}
–
4.4.111 Undervoltage Reset
reaction time
t_{UVRR, RO_2}
2
4.4.112 Undervoltage Reset
reaction time
t_{UVRR, RO_2}
2
4.4.113 Overvoltage Reset
reaction time
t_{OVRR, RO_2} 20
4.4.114 Overvoltage Reset
reaction time
t_{OVRR, RO_2} 20
160 –
–
10
–
10
–
80
–
80
T_cycle
µs
µs
µs
µs
–
Voltage step on Q_LDO2 from
V_{Q_LDO2, nom} to
V_{URT Q_LDO2, de, min} - 20 mV
Voltage step on FB_EXT from
V_{FB_EXT, nom} to
V_{URT FB_EXT, de, min} - 20 mV
Buck converter operating;
Voltage step on Q_LDO2 from
V_{Q_LDO2, nom} to
V_{ORT Q_LDO2, in, max} + 20 mV
Buck converter operating;
Voltage step on FB_EXT from
V_{FB_EXT, nom} to
V_{ORT FB_EXT, in, max} + 20 mV
Data Sheet
19
Rev. 1.1, 2007-11-08