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TPS3828-50DBVRG4 Datasheet(PDF) 4 Page - Texas Instruments

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Part # TPS3828-50DBVRG4
Description  Voltage Monitor With Watchdog Timer
Download  29 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS3828-50DBVRG4 Datasheet(HTML) 4 Page - Texas Instruments

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background image
2
GND
3
4
RESET
MR
1
5
RESET
V
DD
2
GND
3
4
RESET
WDI
1
5
RESET
V
DD
2
GND
3
4
MR
WDI
1
5
RESET
V
DD
TPS3820, TPS3823, TPS3823A, TPS3824, TPS3825, TPS3828
SLVS165K – APRIL 1998 – REVISED NOVEMBER 2015
www.ti.com
5 Device Comparison Table
DEVICE
RESET
RESET
WDI
MR
TPS3820
Push-pull
X
X
TPS3823
Push-pull
X
X
TPS3823A
Push-pull
X
X
TPS3824
Push-pull
X
TPS3825
Push-pull
Push-pull
X
TPS3828
Open-drain
Push-pull
X
X
6 Pin Configuration and Functions
TPS3820, TPS3823, TPS3823A, TPS3828: DBV PACKAGE
TPS3824: DBV PACKAGE
5-Pin SOT-23
5-Pin SOT-23
Top View
Top View
TPS3825: DBV PACKAGE
5-Pin SOT-23
Top View
Pin Functions
PIN
TPS3820,
I/O
DESCRIPTION
TPS3823,
NAME
TPS3824
TPS3825
TPS3823A,
TPS3828
GND
2
2
2
Ground connection
Manual-reset input. Pull low to force a reset. RESET remains low as long
MR
3
4
I
as MR is low and for the time-out period after MR goes high. Leave
unconnected or connect to VDD when unused.
RESET
3
3
O
Active-high reset output. Either push-pull or open-drain output stage.
RESET
1
1
1
O
Active-low reset output. Either push-pull or open-drain output stage.
VDD
5
5
5
I
Supply voltage. Powers the device and monitors its own voltage.
Watchdog timer input. If WDI remains high or low longer than the time-
out period, then reset is triggered. The timer clears when reset is
WDI
4
4
I
asserted or when WDI sees a rising edge or a falling edge. If unused, the
WDI connection must be high impedance to prevent it from causing a
reset event.
4
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Copyright © 1998–2015, Texas Instruments Incorporated
Product Folder Links: TPS3820 TPS3823 TPS3824 TPS3825 TPS3828


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