AMS1117
1A Adjustable/Fixed Low Dropout Linear Regulator
Electrical Characteristic
(Continued)
Typicals and limits appearing in normal type apply for T
J
=25℃.Limits appearing in Boldface type apply over the entire junction temperature for
operation,
-20℃to
125℃.
Symbol
Parameter
RMS Output Noise(% of
V
OUT
)
Conditions
T
A
= 25°C, 10Hz<= f <=10kHz
SOT-223
TO-252
Junction Temperature
Min
(Note
2)
Typ
(Note
1)
0.003
15
3
155
25
Max
(Note
2)
Units
%
℃/W
℃
/
W
℃
℃
I
Limit
Thermal Resistance, Junction
to Case
Thermal Shutdown
Thermal Shutdown Hysteresis
Note 1:
Typical Values represent the most likely parametric norm.
Note 2:
All limits are guaranteed by testing or statistical analysis.
Note 3:
Load and line regulation are measured at constant junction room temperature.
Note 4:
The minimum output current required to maintain regulation.
Typical Performance Characteristics
1.5
1.4
1.3
Dropout Voltage ( V )
1.2
1.0
0.9
0.8
0.7
0.6
0.5
0
0
0.2
0.4
0.6
0.8
1.0
Output Current ( A )
Figure 4.
Dropout Voltage VS. Output Current
5
AMS [ Advanced Monolithic Systems Ltd ]
