- + Amp
The package of AX1116A is SOT-23-5L; the pin assignment is given by:
1 5 VOUT
3 4 ADJ
The input pin of the regulator.
Typically a large storage capacitor is
connected from this pin to ground to
insure that the input voltage does not
sag below the minimum drop out
VIN voltage during the load transient
response. This pin must always be
higher than VOUT by at least the
amount of the dropout voltage and
some margin in order for the device to
A resistor divider from this pin to the
ADJ VOUT pin and ground sets the output
Enable pin. A low signal or left open
on this pin shuts down the output.
This pin must be tied High or to VIN for
The output of the regulator. A
with max ESR of 1Ω
connected from this
pin to ground to insure stability.
Ground pin. This pin must be
connected to the lowest potential in
GND the system and all other pins must be
at higher potential with respect to this
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Rev.1.5 Apr.06, 2012