ST1S10 STMicroelectronics, ST1S10 Datasheet - Page 19

• Manufacturer Part Number: ST1S10
• Description: Monolithic synchronous step-down regulator
• Manufacturer: STMicroelectronics

Specifications of ST1S10

• Input Voltage Range: 2.5 V to 18 V
• Max Iout: 3 A
• High Internal Switching Frequency: 900 kHz
• Quiescent Current: < 6 μA in inhibit state

ST1S10
Figure 21. Efficiency vs. output current
100
100
90
90
80
80
70
70
60
60
50
50
0
0
0.5
0.5
V
V
IN-A
IN-A
=V
=V
OUTPUT CURRENT [A]
OUTPUT CURRENT [A]
IN-SW
IN-SW
1
1
=V
=V
INH
INH
=5V, V
=5V, V
1.5
1.5
OUT
OUT
=3.3V, T
=3.3V, T
2
2
J
J
=25°C
=25°C
2.5
2.5
Doc ID 13844 Rev 4
3
3
Figure 22. Efficiency vs. output current
100
100
90
90
80
80
70
70
60
60
50
50
0
0
Typical performance characteristics
0.5
0.5
V
V
IN-A
IN-A
=V
=V
OUTPUT CURRENT [A]
OUTPUT CURRENT [A]
IN-SW
IN-SW
1
1
=V
=V
INH
INH
=16V, V
=16V, V
1.5
1.5
OUT
OUT
=12V, T
=12V, T
2
2
J
J
=25°C
=25°C
2.5
2.5
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3
3