Ap1086 – Diodes AP1086 User Manual
Page 2
AP1086
1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
AP1086
Document number: DS31028 Rev. 6 - 2
2 of 10
June 2010
© Diodes Incorporated
Pin Descriptions
Pin Name
I/O
Pin #
Description
Adj (GND)
1
Adjustable (Ground only for fixed mode)
V
OUT
O 2
The output of the regulator. A minimum of 10uF capacitor must be connected
from this pin to ground to insure stability.
V
IN
I 3
The input pin of 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 dropout voltage during the load transient response. This pin must
always be 1.4V higher than V
OUT
in order for the device to regulate properly.
Functional Block Diagram
3
Thermal
Shutdown
1
2
V
OUT
Adj
1.25V
+
+
CURRENT
LIMIT
V
IN
+
-
+
-
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
V
IN
DC Supply Voltage
-0.3 to 12
V
T
ST
Storage Temperature
-65 to +150
o
C
T
MJ
Maximum Junction Temperature
150
o
C
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
Top
Operating Junction Temperature Range
0 125
o
C