STEVAL-ISA048V2 STMicroelectronics, STEVAL-ISA048V2 Datasheet - Page 12

• Manufacturer Part Number: STEVAL-ISA048V2
• Description: BOARD EVAL BASED ON ST8R00W
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISA048V2

• Mfg Application Notes: ST8R00 AppNote
• Main Purpose: DC/DC, Step Up
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 8V
• Current - Output: 1A
• Voltage - Input: 4 ~ 6V
• Regulator Topology: Boost
• Frequency - Switching: 1.2MHz
• Board Type: Fully Populated
• Utilized Ic / Part: ST8R00W
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: ST8R00W
• Kit Application Type: Power Management - Voltage Regulator
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6377

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Figure 22. Output voltage vs input voltage (for
Figure 24. Efficiency vs output current
Figure 26. Efficiency vs input voltage
12.00
12.00
10.00
10.00
100
100
100
100
8.00
8.00
6.00
6.00
4.00
4.00
2.00
2.00
0.00
0.00
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
90
90
80
80
70
70
60
60
50
50
40
40
0
0
3.5
3.5
0
0
0
0
V
V
V
V
I
I
=V
=V
I
I
= V
= V
ST8R00W)
125°C
125°C
25°C
25°C
0°C
0°C
-25°C
-25°C
INH
INH
1
1
0.2
0.2
4
4
INH
INH
=5V, I
=5V, I
=5V, V
=5V, V
O
O
2
2
4.5
4.5
=500mA
=500mA
0.4
0.4
O
O
=9.5V
=9.5V
I
I
V
V
O
O
V
V
V
V
3
3
I
I
I
I
[A]
[A]
I
I
[V]
[V]
=V
=V
[V]
[V]
5
5
0.6
0.6
INH
INH
from 0 to 6V, I
from 0 to 6V, I
4
4
5.5
5.5
0.8
0.8
ST8R00
ST8R00
ST8R00W
ST8R00W
5
5
ST8R00
ST8R00
ST8R00W
ST8R00W
6
6
O
O
=400mA
=400mA
1
1
6
6
6.5
6.5
Figure 23. Maximum output current vs output
Figure 25. Efficiency vs input voltage
Figure 27. Inductor current (for ST8R00W)
V
I
=5V ,V
100
100
1.1
1.1
0.9
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.5
0.5
0.4
0.4
90
90
80
80
70
70
60
60
50
50
40
40
1
1
5.5
5.5
INH
3.5
3.5
= 2V, L=4.7µH, C
V
V
I
I
=V
=V
6.5
6.5
OPERATIVE ZONE
OPERATIVE ZONE
voltage
INH
INH
4
4
= 5V, I
= 5V, I
7.5
7.5
O
O
4.5
4.5
=100mA
=100mA
I
8.5
8.5
=C
V
V
V
V
O
I
I
O
O
=10µF, No Load, T=25°C
[V]
[V]
5
5
[V]
[V]
9.5
9.5
5.5
5.5
10.5
10.5
V
V
I
I
ST8R00
ST8R00
ST8R00W
ST8R00W
=V
=V
11.5
11.5
INH
INH
6
6
P
P
=5V
=5V
MAX
MAX
=6W
=6W
12.5
12.5
V
I
LX
LX
6.5
6.5