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LD39115J12R Datasheet(PDF) 13 Page - STMicroelectronics

Part # LD39115J12R
Description  150 mA guaranteed output current
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD39115J12R Datasheet(HTML) 13 Page - STMicroelectronics

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DocID15527 Rev 6
13/21
LD39115J
Typical performance characteristics
21
Figure 26. Supply voltage rejection vs.
frequency (VOUT = 2.8 V)
Figure 27. Supply voltage rejection vs. output
current
V
IN from 3.2 V to 3.4 V, IOUT = 10 mA
V
OUT = 2.8 V
0
10
20
30
40
50
60
70
80
90
100
0
102030 40 50607080 90 100 110 120
Frequency [kHz]
V
IN from 3.2 V to 3.4 V, IOUT = 10 mA
V
OUT = 2.8 V
0
10
20
30
40
50
60
70
80
90
100
0
102030 40 50607080 90 100 110 120
Frequency [kHz]
V
IN from 1.7 V to 1.9 V, F = 10 kHz
V
OUT = 1.3 V
0
10
20
30
40
50
60
70
80
90
100
0
0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25
I
OUT [A]
V
IN from 1.7 V to 1.9 V, F = 10 kHz
V
OUT = 1.3 V
0
10
20
30
40
50
60
70
80
90
100
0
0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25
I
OUT [A]
Figure 28. LD39115J noise
Figure 29. Line regulation transient
Figure 30. Start up transient
Figure 31. Enable transient (VOUT = 1.2 V)
VIN from 0 to 2.3 V, IOUT = 1 mA COUT = 1 µF No CIN,
tRISE = 60 µs
VIN = 2.3 V, VEN from 0 to 2 V, IOUT = 1 mA, Trise = 5 µs
0
0.2
0.4
0.6
0.8
1
0
20000
40000
60000
80000
100000
Freq [Hz]
V
OUT = 1.3 V, VIN = 2.3 V, TA = 25 °C
0
0.2
0.4
0.6
0.8
1
0
20000
40000
60000
80000
100000
Freq [Hz]
V
OUT = 1.3 V, VIN = 2.3 V, TA = 25 °C
V
IN
V
OUT
V
IN
V
OUT
VIN from 2.2 V to 2.7 V, IOUT = 1 mA, COUT = 1 µF, No CIN
tRISE/FALL = 5 µs
V
IN
V
OUT
V
IN
V
OUT
V
EN
V
OUT
V
OUT = 1.2 V
V
EN
V
OUT
V
OUT = 1.2 V



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