Datasheet

TPS3809J25, TPS3809L30
TPS3809K33, TPS3809I50
www.ti.com SLVS228C –AUGUST 1999–REVISED OCTOBER 2013
ELECTRICAL CHARACTERISTICS
Over recommended operating free-air temperature range (unless otherwise noted).
TPS3800-xx, TPS3801-xx, TPS3802-
xx
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
V
DD
= 2.5 V to 6 V I
OH
= –500 μA V
DD
–0.2
V
OH
High-level output voltage V
DD
= 3.3 V I
OH
= –2 mA V
DD
–0.4 V
V
DD
= 6 V I
OH
= –4 mA V
DD
–0.4
V
DD
= 2 V to 6 V, I
OL
= 500 μA 0.2
V
OL
Low-level output voltage V
DD
= 3.3 V, I
OL
= 2 mA 0.4 V
V
DD
= 6 V, I
OL
= 4 mA 0.4
Power-up reset voltage
(1)
V
DD
≥ 1.1 V, I
OL
= 50 μA 0.2 V
TPS3809J25 2.2 2.25 2.3
TPS3809L30 2.58 2.64 2.7
Negative-going input
V
IT–
T
A
= –40°C to 85°C V
threshold voltage
(2)
TPS3809K33 2.87 2.93 2.99
TPS3809I50 4.45 4.55 4.65
TPS3809J25 30
TPS3809L30 35
V
hys
Threshold hysteresis mV
TPS3809K33 40
TPS3809I50 60
V
DD
= 2 V, output unconnected 9 12
I
DD
Supply current μA
V
DD
= 6 V, output unconnected 20 25
C
i
Input capacitance V
I
= 0 V to V
DD
5 pF
(1) The lowest supply voltage at which RESET becomes active. t
r, VDD
≥ 15 μs/V.
(2) 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 TEST CONDITIONS MIN TYP MAX UNIT
t
w
Pulse width at V
DD
V
DD
= V
IT–
+ 0.2 V, V
DD
= V
IT–
–0.2 V 3 μs
SWITCHING CHARACTERISTICS
at R
L
= 1 MΩ, C
L
= 50 pF, T
A
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
≥ V
IT–
+ 0.2 V,
t
d
Delay time 120 200 280 ms
See timing diagram
V
IL
= V
IT–
– 0.2 V,
Propagation (delay) time, high-to-low-level
1 μs
t
PHL
V
DD
to RESET delay
V
IH
= V
IT–
+ 0.2 V
output
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