ST1S09IPU STMICROELECTRONICS [STMicroelectronics], ST1S09IPU Datasheet - Page 8

• Manufacturer Part Number: ST1S09IPU
• Description: 2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectificationtm
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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