ST1S10PHR STMicroelectronics, ST1S10PHR Datasheet - Page 19

• Manufacturer Part Number: ST1S10PHR
• Description: IC REG 3A 900KHZ STEPDWN PWRSO-8
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of ST1S10PHR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 15.3 V
• Current - Output: 3A
• Frequency - Switching: 900kHz
• Voltage - Input: 2.5 ~ 18 V
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Output Voltage: 0.8 V to 15.3 V
• Output Current: 3 A
• Input Voltage: 2.5 V to 18 V
• Switching Frequency: 0.9 MHz
• Operating Temperature Range: - 25 C to + 125 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 90 %
• For Use With: 497-8407 - BOARD EVAL STP04CM05/ST1S10497-8216 - BOARD EVAL BASED ON ST1S10497-8229 - BOARD EVAL BASED ON ST1S10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6904-2; ST1S10PHR

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
19/26
3
3