CP1117
Low Dropout Linear Regulator
Typical Characteristics
1.2
1.1
1.0
0.4
T
A
=0 C
T
A
=25 C
0.9
0.8
0.7
0.6
0.5
o
o
OUTPUT VOLTAGE DEVIATION(%)
DROPOUT VOLTAGE(V)
0.3
0.2
T
A
=120 C
o
0.1
0.0
-0.1
0.2
0.4
0.6
0.8
1.0
0
20
40
60
80
o
100
120
OUTPUT CURRENT(A)
AMBIENT TEMPERTURE ( C)
Figure
2.
Dropout Voltage vs. Output Current
Figure
3.
Load Regulation vs. Temperature
1.260
3.40
REFERENCE VOLTAGE(V)
1.255
OUTPUT VOLTAGE(V)
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
0
25
50
75
o
3.35
3.30
Vout=3.3V
3.25
3.20
3.15
100
125
3.10
0
25
50
75
o
100
125
AMBINENT TEMPERATURE( C)
AMBIENT TEMPERATURE ( C)
Figure
4.
Reference Voltage vs. Temperature
Figure
5.
Output Voltage vs. Temperature
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
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Tel:886-3-3214525
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of 12
Rev 1.4 Apr.29, 2005
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