1A Adjustable/Fixed Low Dropout Linear Regulator
(Continued)
Electrical Characteristic
Typicals and limits appearing in normal type apply for TJ=25℃.Limits appearing in Boldface type apply over the entire junction temperature for
operation, -20℃to 125℃.
Min
Typ
Max
Symbol
Parameter
Conditions
Units
(Note 2) (Note 1) (Note 2)
RMS Output Noise(% of
TA = 25°C, 10Hz<= f <=10kHz
0.003
%
VOUT
)
SOT-223
TO-252
15
3
℃/W
℃/W
℃
Thermal Resistance, Junction
to Case
ILimit
Thermal Shutdown
Junction Temperature
155
25
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
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
AMSCO [ AMS(艾迈斯) ]
