TPS3839A09 Datasheet, PDF (4/11 Pages) Texas Instruments – Ultra-Low Power, Supply Voltage Supervisor

TPS3839
SBVS193 – JUNE 2012
PIN CONFIGURATIONS
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DQN PACKAGE
1-mm × 1-mm TBD
(TOP VIEW)
RESET 1
4 V_DD
NC 2
3 GND
DBZ PACKAGE
SOT23-3
(TOP VIEW)
GND
1
3
V_DD
RESET
2
PIN NAME
GND
NC
RESET
VDD
PIN NO
DQN
DBZ
3
1
2
—
1
2
4
3
V_DD
PIN ASSIGNMENTS
DESCRIPTION
Ground
Do not connect
Active low RESET output. RESET has a push-pull output drive and is capable of directly
driving input pins. This in remains low as long as V_DD is below the factory threshold voltage
and remains low until a certain time (t_D) after V_DD rises above the threshold voltage.
Supply voltage
FUNCTIONAL BLOCK DIAGRAM
Delay
RESET
V_REF
GND
Figure 1. TPS3895A Block Diagram
4
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