ST2S06B STMicroelectronics, ST2S06B Datasheet - Page 8

• Manufacturer Part Number: ST2S06B
• Description: SYNCHRONOUS RETTIFICATION 0.5 A, 1.5 MHZ STEP-DOWN SWITCHING REGULATOR
• Manufacturer: STMicroelectronics

Specifications of ST2S06B

• Typical Efficiency: > 90%
• Non-switching Quiescent Current: max 1 mA over temperature range

5
8/18
Figure 3.
Figure 5.
Figure 7.
0.82
0.82
0.81
0.81
0.79
0.79
0.78
0.78
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.5
1.5
1.4
1.4
1.3
1.3
1.2
1.2
1.1
1.1
100
100
0.8
0.8
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
-50
-50
-50
-50
0
0
V
V
V
V
I
I
I
I
=5V, V
=5V, V
=5V, V
=5V, V
-25
-25
I
I
O1
O1
-25
-25
Typical performance characteristics
Feedback voltage 1 vs. temperature
(ST2S06B)
=I
=I
Efficiency vs. output current 1
temperature (ST2S06A)
Switching frequency vs.
FB1
FB1
FB1
FB1
0.1
0.1
O2
O2
=3.2V, V
=3.2V, V
connected to V
connected to V
=NO LOAD
=NO LOAD
0
0
0
0
FB2
FB2
Output Current 1 [A]
Output Current 1 [A]
=0.7V
=0.7V
0.2
0.2
TEMPERATURE [°C]
TEMPERATURE [°C]
Temperature [°C]
Temperature [°C]
O1
O1
25
25
25
25
0.3
0.3
50
50
V
V
50
50
I
I
=5V, V
=5V, V
0.4
0.4
O1
O1
75
75
=3.3V, I
=3.3V, I
75
75
O2
O2
100
100
0.5
0.5
100
100
NO LOAD
NO LOAD
Doc ID 13866 Rev 4
125
125
125
125
0.6
0.6
Figure 4.
Figure 6.
Figure 8.
100
100
0.82
0.82
0.82
0.81
0.81
0.81
0.79
0.79
0.79
0.78
0.78
0.78
100
100
99
99
98
98
97
97
96
96
95
95
94
94
93
93
92
92
91
91
90
90
0.8
0.8
0.8
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
45
45
40
40
-50
-50
-50
-50
-50
0
0
V
V
V
V
I
I
V
V
=5V, V
=5V, V
I
I
=5V, V
=5V, V
I
I
=5V, V
=5V, V
-25
-25
I
I
O1
O1
-25
-25
-25
Feedback voltage 2 vs. temperature
(ST2S06B)
=I
=I
Efficiency vs. output current 2
Duty cycle vs. temperature
(ST2S06A)
FB2
FB2
0.1
0.1
O2
O2
FB1
FB1
O2
O2
connected to V
connected to V
=NO LOAD
=NO LOAD
=3.2V, V
=3.2V, V
=1.2V, I
=1.2V, I
0
0
0
0
0
Output Current 2 [A]
Output Current 2 [A]
FB2
FB2
O1
O1
0.2
0.2
TEMPERATURE [°C]
TEMPERATURE [°C]
TEMPERATURE [°C]
=0.7V
=0.7V
NO LOAD
NO LOAD
Temperature [°C]
Temperature [°C]
O2
O2
25
25
25
25
25
0.3
0.3
50
50
50
50
50
0.4
0.4
75
75
75
75
75
100
100
0.5
0.5
100
100
100
125
125
125
125
125
0.6
0.6