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TPS3824-50-Q1 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS3824-50-Q1
Description  Voltage Monitor With Watchdog Timer
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS3824-50-Q1 Datasheet(HTML) 5 Page - Texas Instruments

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TPS3820-33-Q1, TPS3820-50-Q1, TPS3823-25-Q1
TPS3823-30-Q1, TPS3823-33-Q1, TPS3823-50-Q1, TPS3824-30-Q1, TPS3824-33-Q1
TPS3824-50-Q1, TPS3825-33-Q1, TPS3825-50-Q1, TPS3828-33-Q1, TPS3828-50-Q1
www.ti.com
SGLS143C – DECEMBER 2002 – REVISED DECEMBER 2015
7.5 Electrical Characteristics
over operating junction temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TPS382x-25-Q1
VDD = VIT− + 0.2 V, IOH = –20 μA
0.8 × VDD
TPS382x-30-Q1
RESET
VDD = VIT− + 0.2 V, IOH = –30 μA
TPS382x-33-Q1
TPS382x-50-Q1
VDD = VIT− + 0.2 V IOH = –120 μA
VDD − 1.5 V
TPS3824-25-Q1
VDD ≥ 1.8 V, IOH = –100 μA
TPS3825-25-Q1
High-level output
VOH
V
voltage
TPS3824-30-Q1
TPS3825-30-Q1
RESET
0.8 × VDD
TPS3824-33-Q1
VDD ≥ 1.8 V, IOH = –150 μA
TPS3825-33-Q1
TPS3824-50-Q1
TPS3825-50-Q1
TPS3824-25-Q1
VDD = VIT− + 0.2 V, IOL = 1 mA
TPS3825-25-Q1
TPS3824-30-Q1
TPS3825-30-Q1
RESET
VDD = VIT− + 0.2 V, IOL = 1.2 mA
0.4
TPS3824-33-Q1
TPS3825-33-Q1
Low-level output
VOL
V
TPS3824-50-Q1
voltage
VDD = VIT− + 0.2 V, IOL = 3 mA
TPS3825-50-Q1
TPS382x-25-Q1
VDD = VIT− – 0.2 V, IOL = 1 mA
TPS382x-30-Q1
RESET
VDD = VIT− – 0.2 V, IOL = 1.2 mA
0.45
TPS382x-33-Q1
TPS382x-50-Q1
VDD = VIT− – 0.2 V, IOL = 3 mA
Power-up reset voltage(1)
VDD ≥ 1.1 V, IOL = 20 μA
0.4
V
TPS382x-25-Q1
2.21
2.25
2.3
TPS382x-30-Q1
2.59
2.63
2.69
TA = 0°C to 85°C
TPS382x-33-Q1
2.88
2.93
3
TPS382x-50-Q1
4.49
4.55
4.64
Negative-going input
VIT−
V
threshold voltage (2)
TPS382x-25-Q1
2.19
2.25
2.3
TPS382x-30-Q1
2.55
2.63
2.69
TA = –40°C to 125°C
TPS382x-33-Q1
2.84
2.93
3
TPS382x-50-Q1
4.44
4.55
4.64
TPS382x-25-Q1
TPS382x-30-Q1
30
Vhys
Hysteresis at VDD input
mV
TPS382x-33-Q1
TPS382x-50-Q1
50
IIH(AV)
Average high-level input current
WDI = VDD, time average (DC = 88%)
120
WDI
µA
IIL(AV)
Average low-level input current
WDI = 0.3 V, VDD = 5.5 V time average (DC = 12%)
–15
WDI
WDI = VDD
140
190
IIH
High-level input current
µA
MR
MR = VDD × 0.7, VDD = 5.5 V
–40
–60
WDI
WDI = 0.3 V, VDD = 5.5 V
140
190
IIL
Low-level input current
µA
MR
MR = 0.3 V, VDD = 5.5 V
–110
–160
TPS382x-25-Q1
TPS382x-30-Q1
–400
Output short-circuit
IOS
RESET
VDD = VIT, max + 0.2 V, VO = 0 V
µA
current(3)
TPS382x-33-Q1
TPS382x-50-Q1
–800
IDD
Supply current
WDI, MR, and outputs unconnected
15
25
µA
Internal pullup resistor at MR
52
k
Ω
Ci
Input capacitance at MR, WDI
VI = 0 V to 5.5 V
5
pF
(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.
(3)
The RESET short-circuit current is the maximum pullup current when RESET is driven low by a microprocessor bidirectional reset pin.
Copyright © 2002–2015, Texas Instruments Incorporated
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Product Folder Links: TPS3820-33-Q1 TPS3820-50-Q1 TPS3823-25-Q1 TPS3823-30-Q1 TPS3823-33-Q1 TPS3823-
50-Q1 TPS3824-30-Q1 TPS3824-33-Q1 TPS3824-50-Q1 TPS3825-33-Q1 TPS3825-50-Q1 TPS3828-33-Q1
TPS3828-50-Q1


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