Datasheet

Data Sheet 18 Rev. 2.1, 2010-11-22
TLE7368
General Product Characteristics
4.4.79 Undervoltage Reset
threshold on Q_LDO1
V
URT Q_LDO1,
de
4.50 – 4.75 V V
Q_LDO1
decreasing;
V
FB/L_IN
= open;
4.4.80 Undervoltage Reset
threshold on Q_LDO1
V
URT Q_LDO1,
in
4.55 – 4.90 V V
Q_LDO1
increasing
4.4.81 Undervoltage Reset
hysteresis
V
URO_1, hyst
100 – 220 mV –
4.4.82 Overvoltage Reset
threshold on Q_LDO1
V
ORT Q_LDO1,
in
5.40 – 5.65 V V
Q_LDO1
increasing
4.4.83 Overvoltage Reset
threshold on Q_LDO1
V
ORT Q_LDO1,
de
5.25 – 5.60 V V
Q_LDO1
decreasing
4.4.84 Overvoltage Reset
hysteresis
V
ORO_1, hyst
80 – 180 mV –
4.4.85 RO_1, Reset output low
voltage
V
RO_1, low
––0.4VI
RO_1
= -10 mA;
V
Q_LDO1
> 2.5 V
4.4.86 RO_1, Reset output low
voltage
V
RO_1, low
– – 0.25 V V
IN_STBY
= 3.0 V;
V
Q_LDO1
= 2.5V;
I
RO_1
= -500 µA;
4.4.87 RO_1, Reset output
leakage
I
RO_1, high
-1 – 1 µA V
RO_1
= 5.0 V
4.4.88 Reset delay time base
T
cycle
41.6 50 62.5 µs C
RT
= 1 nF
4.4.89 Reset timing capacitor
range
C
RT
0.33 1.0 4.7 nF –
4.4.90 Reset delay time RO_1
t
RD, RO_1
– 160 – T
cycle
–
4.4.91 Undervoltage Reset
reaction time
t
UVRR, RO_1
2–10µs 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 Undervoltage Reset
threshold on Q_LDO2
V
URT Q_LDO2,
de
3.135 – 3.230 V SEL_LDO2 = Q_LDO2;
V
Q_LDO2
decreasing;
V
IN_LDO2
= open
4.4.94 Undervoltage Reset
headroom on Q_LDO2
V
URT Q_LDO2,
head
55 117.5 – mV 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
4.4.95 Undervoltage Reset
hysteresis Q_LDO2
V
URO_2, hyst
15 – 55 mV SEL_LDO2 = Q_LDO2;
V
URO_2, hyst
=
V
URT Q_LDO2, in
- V
URT Q_LDO2, de
4.4.96 Overvoltage Reset
threshold on Q_LDO2
V
ORT Q_LDO2,
in
3.70 – 3.85 V SEL_LDO2 = Q_LDO2;
V
Q_LDO2
increasing
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.