AP1117
1A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
Block Diagram
3
2
V
in
V
out
+
+
-
+
1.25V
CURRENT
LIMIT
1
GND
+
(FIXED)
Thermal
Adj
Shutdown
1
Absolute Maximum Ratings
Symbol
Vin
Parameter
Rating
Unit
DC Supply Voltage
-0.3 to 18
0 to +125
150
V
Operating Junction Temperature Range
(Commercial Grade)
o
TOP
C
C
o
TMJ
Maximum Junction Temperature
Power Dissipation
SOT89-3L
SOT223-3L
TO220-3L
TO252-3L
TO263-3L
Internally limited by
maximum junction
temperature
mW
PD
o
of 150 C (Note 4)
o
TST
Storage Temperature
-65 to +150
C
Note:
4. AP1117 contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature
exceeded. When activated, typically at 150°C, the regulator output switches off and then back on as the die cools.
AP1117 Rev. 6
3 of 11
MARCH 2007
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