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LD39050 データシート(PDF) 14 Page - STMicroelectronics

部品番号 LD39050
部品情報  500 mA low quiescent current and low noise voltage regulator
PDF  28 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD39050 データシート(HTML) 14 Page - STMicroelectronics

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Typical performance characteristics
LD39050
14/28
DocID15470 Rev 3
Figure 23. Supply voltage rejection vs.
frequency (VOUT = 2.5 V)
Figure 24. Noise output voltage vs. frequency
VIN = 1.8 V, VOUT = 0.8 V, VEN = 1 V, CIN = COUT = 1 µF,
TA = 25 °C
Figure 25. Enable voltage vs. temperature
(VIN = 3.5 V)
Figure 26. Enable voltage vs. temperature
(VIN = 5.5 V)
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30405060
70
8090
100
Freq [kHz]
I
OUT = 10 mA
I
OUT = 100 mA
V
IN from 2.9 V to 3.1 V, VEN to VIN, VOUT = 2.5 V, CIN = COUT = 1 µF
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30405060
70
8090
100
Freq [kHz]
I
OUT = 10 mA
I
OUT = 100 mA
V
IN from 2.9 V to 3.1 V, VEN to VIN, VOUT = 2.5 V, CIN = COUT = 1 µF
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
f [Hz]
AP - IOUT = 100mA
AP - IOUT = 10mA
AP - IOUT = 1m
AP - IOUT = 0A
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-50
-25
0
25
50
75
100
125
150
T [°C]
High
Low
V
IN = 3.5 V IOUT = 10 mA, VOUT = 2.5 V, CIN = COUT = 1 µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-50
-25
0
25
50
75
100
125
150
T [°C]
High
Low
V
IN = 3.5 V IOUT = 10 mA, VOUT = 2.5 V, CIN = COUT = 1 µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-50
-25
0
25
50
75
100
125
150
T [°C]
High
Low
V
IN = 5.5 V IOUT = 10 mA VOUT = 2.5 V, CIN = COUT = 1 µF
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-50
-25
0
25
50
75
100
125
150
T [°C]
High
Low
V
IN = 5.5 V IOUT = 10 mA VOUT = 2.5 V, CIN = COUT = 1 µF
Figure 27. Load transient (VOUT = 0.8 V)
VEN = VIN=1.8 V, IOUT = from10 mA to 0.5 A, CIN = COUT = 1
µF, VOUT = 0.8 V
Figure 28. Load transient (VOUT = 2.5 V)
VEN = VIN = 3.5V, IOUT from 10 mA to 0.5 A, VOUT = 2.5 V,
CIN = COUT = 1 µF
I
OUT
V
OUT
I
OUT
V
OUT
I
OUT
V
OUT
I
OUT
V
OUT



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