TPS3820-33 Datasheet, PDF (5/20 Pages) Texas Instruments – PROCESSOR SUPERVISORY CIRCUITS

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TPS382x-xx,
TPS382xA-xx
SLVS165H − APRIL 1998 − REVISED JULY 2012
ELECTRICAL CHARACTERISTICS
Over 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
TPS382x-30
RESET _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
TPS3824-30
TPS3825-30
RESET
TPS3824-33
0.8 × V_DD
V
TPS3825-33 ^{VDD ≥ 1.8 V, IOH = −150 μA}
TPS3824-50
TPS3825-50
TPS3824-25
TPS3825-25
RESET
TPS3824-30
TPS3825-30
TPS3824-33
TPS3825-33
V_DD = V_IT− + 0.2 V
I_OL = 1 mA
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
TPS382x-30
RESET
TPS382x-33
V_DD = V_IT− −0.2 V
I_OL = 1.2 mA
TPS382x-50
V_DD = V_IT− − 0.2 V
I_OL = 3 mA
Power-up reset voltage⁽¹⁾
V_DD ≥ 1.1 V, I_OL = 20 μA
TPS382x-25
0.4 V
0.4 V
2.21
2.25 2.30
TPS382x-30
TPS382x-33
T_A = 0°C to +85°C
2.59
2.63 2.69
V
2.88
2.93
3
Negative-going input threshold
V_IT−
voltage⁽²⁾
TPS382x-50
TPS382x-25
4.49
4.55 4.64
2.20
2.25 2.30
TPS382x-30
TPS382x-33
T_A = − 40°C to +85°C
2.57
2.63 2.69
V
2.86
2.93
3
TPS382x-50
4.46
4.55 4.64
TPS382x-25
V_hys
Hysteresis at V_DD input
TPS382x-30
TPS382x-33
30
mV
TPS382x-50
50
(1) _{The lowest supply voltage at which RESET becomes active. tr, VDD ≥ 15 μs/V.}
(2) _{To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 μF) should be placed near the supply terminals.}
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