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ST8R00 数据表(PDF) 8 Page - STMicroelectronics

部件名 ST8R00
功能描述  Micropower 1 A synchronous step-up DC-DC converter
PDF  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST8R00 数据表(HTML) 8 Page - STMicroelectronics

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Typical characteristics
ST8R00
8/18
Doc ID 13449 Rev 2
6
Typical characteristics
L = 4.7 µH, CI = CO = 10 µF.
Figure 4.
Voltage feedback vs. temperature
Figure 5.
Feedback current vs. temperature
Figure 6.
Supply current vs. temperature
(VI = VINH = 5 V)
Figure 7.
Supply current vs. temperature
(VINH = 2 V)
Figure 8.
Supply current vs. temperature
(VFB = 2 V)
Figure 9.
LX current limitation vs.
temperature
1.1
1.12
1.14
1.16
1.18
1.2
1.22
1.24
1.26
1.28
1.3
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=VINH=5V, IO=50mA
1.1
1.12
1.14
1.16
1.18
1.2
1.22
1.24
1.26
1.28
1.3
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=VINH=5V, IO=50mA
-100
0
100
200
300
400
500
600
700
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=5V, VINH=2V, No Inductor, No Bridge
-100
0
100
200
300
400
500
600
700
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=5V, VINH=2V, No Inductor, No Bridge
V
I=VINH=5V, No Load
0
2
4
6
8
10
12
14
16
18
20
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
@V
O=7V
V
I=VINH=5V, No Load
0
2
4
6
8
10
12
14
16
18
20
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
@V
O=7V
0
5
10
15
20
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=5,VINH=2V,No Load, VO@ 7V
0
5
10
15
20
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
V
I=5,VINH=2V,No Load, VO@ 7V
V
I = VINH = 5 V, VFB = 2 V
400
450
500
550
600
650
700
750
800
- 75
- 50
- 25
0
25
50
75
100
125
150
175
T [°C]
No resistors bridge and inductor directly to VI
0
0.5
1
1.5
2
2.5
3
3.5
4
-75
-50
-25
0
25
50
75
100
125 150
175
T [°C]
V
IN=VINH=5V, @VO<10%
0
0.5
1
1.5
2
2.5
3
3.5
4
-75
-50
-25
0
25
50
75
100
125 150
175
T [°C]
V
IN=VINH=5V, @VO<10%



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