Datasheet

Data Sheet 20 Rev. 2.1, 2010-11-22
TLE7368
General Product Characteristics
4.4.112 Undervoltage Reset
headroom on FB_EXT
V
FB_EXT
-
V
URT FB_EXT,
de
40 60 – mV TLE7368-2E
V
FB/L_IN
= 5 V or V
Q_LDO2
=
3.3/2.6 V;
4.4.113 Undervoltage Reset
hysteresis
V
URO_2, hyst
15 – 45 mV TLE7368-2E
4.4.114 Overvoltage Reset
threshold on FB_EXT
V
ORT FB_EXT,
in
1.30 – 1.39 V TLE7368-2E
V
FB_EXT
increasing;
4.4.115 Overvoltage Reset
threshold on FB_EXT
V
ORT FB_EXT,
de
1.23 – 1.38 V TLE7368-2E
V
FB_EXT
decreasing;
4.4.116 Overvoltage Reset
hysteresis
V
ORO_2, hyst
10 – 70 mV TLE7368-2E
4.4.117 Undervoltage Reset
threshold on FB_EXT
V
URT FB_EXT,
de
1.17 – 1.25 V TLE7368-3E
V
FB_EXT
decreasing;
V
FB/L_IN
= 5 V or V
Q_LDO2
=
3.3/2.6 V;
4.4.118 Undervoltage Reset
headroom on FB_EXT
V
FB_EXT
-
V
URT FB_EXT,
de
40 60 – mV TLE7368-3E
V
FB/L_IN
= 5 V or V
Q_LDO2
=
3.3/2.6 V;
4.4.119 Undervoltage Reset
hysteresis
V
URO_2, hyst
15 – 45 mV TLE7368-3E
4.4.120 Overvoltage Reset
threshold on FB_EXT
V
ORT FB_EXT,
in
1.35 – 1.43 V TLE7368-3E
V
FB_EXT
increasing;
4.4.121 RO_2, Reset output low
voltage
V
RO_2, low
––0.4VI
RO_2
= -10 mA;
V
Q_LDO2
> 2.0 V
4.4.122 RO_2, Reset output low
voltage
V
RO_2, low
– – 0.25 V I
RO_2
= -500 µA;
V
Q_LDO2
= 1V
4.4.123 RO_2, Reset output
leakage
I
RO_2, high
-1 – 1 µA V
RO_2
= 5.0 V
4.4.124 Reset delay time RO_2
t
RD, RO_2
– 160 – T
cycle
–
4.4.125 Undervoltage Reset
reaction time
t
UVRR, RO_2
2–10µs Voltage step on Q_LDO2 from
V
Q_LDO2, nom
to
V
URT Q_LDO2, de, min
- 20 mV
4.4.126 Undervoltage Reset
reaction time
t
UVRR, RO_2
2–10µs Voltage step on FB_EXT from
V
FB_EXT, nom
to
V
URT FB_EXT, de, min
- 20 mV
4.4.127 Overvoltage Reset
reaction time
t
OVRR, RO_2
20 – 80 µs Buck converter operating;
Voltage step on Q_LDO2 from
V
Q_LDO2, nom
to
V
ORT Q_LDO2, in, max
+ 20 mV
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.