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ST1S09PU Datasheet(PDF) 8 Page - STMicroelectronics

Part # ST1S09PU
Description  2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
PDF  18 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S09PU Datasheet(HTML) 8 Page - STMicroelectronics

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Typical performance characteristics
ST1S09
8/18
5
Typical performance characteristics
(L = 3.3µH, CI = 4.7µF, CO = 22µF, unless otherwise specified)
Figure 3.
Voltage feedback vs temperature
Figure 4.
Feedback pin bias current vs temp.
Figure 5.
Quiescent current non switching vs
temperature
Figure 6.
Inhibit voltage vs temperature
Figure 7.
Inhibit voltage vs input voltage
Figure 8.
Output voltage vs input voltage
760
770
780
790
800
810
820
830
840
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
O@1.2V
V
I=5V, IO=10mA
760
770
780
790
800
810
820
830
840
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
O@1.2V
V
I=5V, IO=10mA
-60
40
140
240
340
440
540
640
740
840
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
I=5V
-60
40
140
240
340
440
540
640
740
840
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
V
I=5V
V
O@1.2V
0
0.5
1
1.5
2
2.5
3
-75
-50
-25
0
25
50
75
100
125 150
175
T [°C]
V
I=5V
V
O@1.2V
0
0.5
1
1.5
2
2.5
3
-75
-50
-25
0
25
50
75
100
125 150
175
T [°C]
V
I=5V
V
I=5V, IO=from 10mA to 2A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
I=5V, IO=from 10mA to 2A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-75
-50
-25
0
25
50
75
100
125
150
175
T [°C]
ON
OFF
V
I=from 2.7 to 5.5V, IO=2A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
234
567
V
I [V]
ON
OFF
V
I=from 2.7 to 5.5V, IO=2A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
234
567
V
I [V]
ON
OFF
V
CC =VINH=from 0 to 5.5V, IO=2A
V
O@1.2V
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
0
1
2
3456
V
I [V]
V
CC =VINH=from 0 to 5.5V, IO=2A
V
O@1.2V
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
0
1
2
3456
V
I [V]



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