LMD18400 Datasheet, PDF (8/26 Pages) National Semiconductor (TI) – Quad High Side Driver

LMD18400
SNVS094C – JUNE 1996 – REVISED APRIL 2013
FUNCTIONAL BLOCK DIAGRAM
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Enable
Input
(Pin 3)
0
1
1
1
Chip Select
Input
(Pin 4)
X
X
X
X
Switch Control
Input
(Pins 9, 10, 11, 12)
X
0
1
0
1
X
1
1
X
1
1
1
X
1
0
X
TRUTH TABLE
Error
Output
(Pin 13)
Thermal SD
Output
(Pin 17)
1
0
1
1
1
1
0
1
0
1
0
0
X
X
X
X
Conditions
“Sleep” Mode, I_SUPPLY < 10 µA
Selected Switch is OFF
Selected Switch is ON, Normal Operation
Switch is OFF but:
a. Load is Open Circuited, or
b. Load is Shorted to V_CC, or
c. T_J > +145°C, or
d. V_CC > +35V
Switch is ON, but:
a. Load is Shorted to Ground, or
b. Switch is in Power Limit, or
c. T_J > +145°C, or
d. V_CC > +35V and Switch is Actually OFF
T_J > +170°C, All Switches are OFF
Data Output Pin is TRI-STATE
Data Output Pin is Enabled and Ready to Output
Diagnostic Information
8
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