Datasheet

LMD18400
SNVS094C –JUNE 1996–REVISED APRIL 2013 www.ti.com
FUNCTIONAL BLOCK DIAGRAM
TRUTH TABLE
Enable Chip Select Switch Control Error Thermal SD
Input Input Input Output Output Conditions
(Pin 3) (Pin 4) (Pins 9, 10, 11, 12) (Pin 13) (Pin 17)
0 X X 1 0 “Sleep” Mode, I
SUPPLY
< 10 µA
1 X 0 1 1 Selected Switch is OFF
1 X 1 1 1 Selected Switch is ON, Normal Operation
1 X 0 0 1 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
1 X 1 0 1 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
1 X 1 0 0 T
J
> +170°C, All Switches are OFF
1 1 X X X Data Output Pin is TRI-STATE
1 0 X X X Data Output Pin is Enabled and Ready to Output
Diagnostic Information
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