SLVS228B – AUGUST 1999 – REVISED JULY 2012
ELECTRICAL CHARACTERISTICS
Overrecommended operating free-air temperature range (unless otherwise noted).
PARAMETER
TEST CONDITIONS
V
DD
= 2.5 V to 6 V I
OH
= –500
μA
V
OH
High-level output voltage
V
DD
= 3.3 V I
OH
= –2 mA
V
DD
= 6 V I
OH
= –4 mA
V
DD
= 2 V to 6 V, I
OL
= 500
μA
V
OL
Low-level output voltage
Power-up reset voltage
(1)
TPS3809J25
V
IT–
Negative-going input
threshold voltage
(2)
TPS3809L30
TPS3809K33
TPS3809I50
TPS3809J25
V
hys
Threshold hysteresis
TPS3809L30
TPS3809K33
TPS3809I50
I
DD
C
i
(1)
(2)
Supply current
Input capacitance
V
DD
= 2 V, output unconnected
V
DD
= 6 V, output unconnected
V
I
= 0 V to V
DD
T
A
= –40°C to 85°C
V
DD
= 3.3 V, I
OL
= 2 mA
V
DD
= 6 V, I
OL
= 4 mA
V
DD
≥
1.1 V, I
OL
= 50
μA
2.2
2.58
2.87
4.45
2.25
2.64
2.93
4.55
30
35
40
60
9
20
5
12
25
μA
pF
mV
TPS3800-xx, TPS3801-xx, TPS3802-
xx
MIN
V
DD
–0.2
V
DD
–0.4
V
DD
–0.4
0.2
0.4
0.4
0.2
2.3
2.7
2.99
4.65
V
V
V
V
TYP
MAX
UNIT
The lowest supply voltage at which RESET becomes active. t
r, VDD
≥
15
μs/V.
To ensure the best stability of the threshold voltage, a bypass capacitor (0.1-μF ceramic) should be placed near the supply terminals.
TIMING REQUIREMENTS
at R
L
= 1 MΩ, C
L
= 50 pF, T
A
= 25°C
PARAMETER
t
w
Pulse width
at V
DD
TEST CONDITIONS
V
DD
= V
IT–
+ 0.2 V, V
DD
= V
IT–
–0.2 V
MIN
3
TYP
MAX
UNIT
μs
SWITCHING CHARACTERISTICS
at R
L
= 1 MΩ, C
L
= 50 pF, T
A
= 25°C
PARAMETER
t
d
t
PHL
Delay time
Propagation (delay) time, high-to-low-level
output
V
DD
to RESET delay
TEST CONDITIONS
V
DD
≥
V
IT–
+ 0.2 V,
See
V
IL
= V
IT–
– 0.2 V,
V
IH
= V
IT–
+ 0.2 V
MIN
120
TYP
200
1
MAX
280
UNIT
ms
μs
4
Copyright © 1999–2012, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
