Datasheet

TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1
PROCESSOR SUPERVISORY CIRCUITS


SGLS143B − DECEMBER 2002 − REVISED JUNE 2008
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS382x-25
V
DD
= V
IT−
+ 0.2 V
I
OH
= −20 μA
08× V
RESET
TPS382x-30
TPS382x-33
V
DD
= V
IT−
+ 0.2 V
I
OH
= −30 μA
0.8 × V
DD
V
TPS382x-50
V
DD
= V
IT−
+ 0.2 V
I
OH
= −120 μA
V
DD
− 1.5 V
V
OH
High-level output voltage
TPS3824-25
TPS3825-25
V
DD
≥ 1.8 V, I
OH
= −100 μA
RESET
TPS3824-30
TPS3825-30
08× V
V
RESET
TPS3824-33
TPS3825-33
V
DD
≥ 1.8 V, I
OH
= −150 μA
0.8 × V
DD
V
TPS3824-50
TPS3825-50
TPS3824-25
TPS3825-25
V
DD
= V
IT−
+ 0.2 V
I
OL
= 1 mA
RESET
TPS3824-30
TPS3825-30
V
DD
= V
IT−
+ 0.2 V
04
V
RESET
TPS3824-33
TPS3825-33
V
DD
=
V
IT
−
+
0
.
2
V
I
OL
= 1.2 mA
0.4 V
V
OL
Low-level output voltage
TPS3824-50
TPS3825-50
V
DD
= V
IT−
+ 0.2 V
I
OL
= 3 mA
TPS382x-25
V
DD
= V
IT−
− 0.2 V
I
OL
= 1 mA
RESET
TPS382x-30
V
DD
= V
IT−
−0.2 V
045
V
RESET
TPS382x-33
V
DD
=
V
IT
−
0
.
2
V
I
OL
= 1.2 mA
0.45 V
TPS382x-50
V
DD
= V
IT−
− 0.2 V
I
OL
= 3 mA
Power-up reset voltage (see Note 2) V
DD
≥ 1.1 V, I
OL
= 20 μA 0.4 V
TPS382x-25 2.21 2.25 2.30
TPS382x-30
T 0°Cto85°C
2.59 2.63 2.69
V
TPS382x-33
T
A
= 0°C to 85°C
2.88 2.93 3
V
V
Ne
g
ative-
g
oin
g
input threshold
TPS382x-50
4.49 4.55 4.64
V
IT−
Negative going
input
threshold
voltage (see Note 3)
TPS382x-25
2.19 2.25 2.30
TPS382x-30
T 40°C to 125°C
2.55 2.63 2.69
V
TPS382x-33
T
A
= −40°C to 125°C
2.84 2.93 3
V
TPS382x-50 4.44 4.55 4.65
TPS382x-25
V
Hysteresis at V input
TPS382x-30
30
mV
V
hys
Hysteresis at V
DD
input
TPS382x-33
30
mV
TPS382x-50 50
NOTES: 2. The lowest supply voltage at which RESET becomes active. t
r, VDD
≥ 15 μs/V
3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 μF) should be placed near the supply terminals.