Ap139, Block diagram, Absolute maximum ratings – Diodes AP139 User Manual
Page 2: Pin assignments, Pin descriptions, 300ma low-noise cmos ldo
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AP139
300mA LOW-NOISE CMOS LDO
AP139 Rev. 6
2 of 7
FEBRUARY 2009
©
Diodes Incorporated
( Top View )
SOT25
1
3
2
5
4
BYP
V
IN
EN
GND
V
OUT
AP139
Pin
Name
Pin No.
Description
V
IN
1
Power
Supply
GND 2
Ground
EN 3
Enable
Pin
BYP
4
Bypass Signal Pin
V
OUT
5
Output
Block Diagram
Current
Limit
Thermal
Shutdown
AMP
+
-
Vref
BYP
EN
1uA
V
OUT
GND
V
IN
R1
R2
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
V
IN
Input
Voltage
+6
V
I
OUT
Output
Current
P
D
/(V
IN
-V
O
) mA
V
OUT
Output Voltage
GND - 0.3 to V
IN
+ 0.3
V
ESD
Classification
B
T
OP
Operating Junction Temperature Range
-40 to +125
ºC
T
MJ
Maximum
Junction
Temperature
150
ºC
P
D
Internal Power Dissipation
250
mW
Pin Assignments
Pin Descriptions
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