Datasheet

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DEVICE INFORMATION
FUNCTION/TRUTH TABLE
(1)
40kW
R1
R3
R2
14kW
R4
Reference
Voltage
of1.25V
Oscillator
RESET
Logic+Timer
Watchdog
Logic+Timer
Transition
Detection
V
DD
MR
SENSE1
SENSE2
GND
WDI
RESET
RESET
TPS3305
TPS3305
SLVS198C – DECEMBER 1998 – REVISED MARCH 2008
MR SENSE1 > V
IT1
SENSE2 > V
IT2
RESET RESET
L X X L H
H 0 0 L H
H 0 1 L H
H 1 0 L H
H 1 1 H L
(1) X = Don't care
FUNCTIONAL BLOCK DIAGRAM
TERMINAL FUNCTIONS
TERMINAL
NAME NO. DESCRIPTION
GND 4 Ground
MR 7 Manual reset
RESET 5 Active-low reset output
RESET 6 Active-high reset output
SENSE1 1 Sense voltage input 1
SENSE2 2 Sense voltage input 2
WDI 3 Watchdog timer input
V
DD
8 Supply voltage
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