ST1S10PHR STMicroelectronics, ST1S10PHR Datasheet - Page 3

• 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
1
Figure 1.
12V
12V
Application circuit
Typical application circuit
C1
C1
4.7µF
4.7µF
C3
C3
0.1µF
0.1µF
VIN_SW
VIN_SW
VIN_A
VIN_A
EN
EN
SYNC
SYNC
ST1S10
ST1S10
Doc ID 13844 Rev 4
AGND
AGND
PGND
PGND
SW
SW
FB
FB
L1
L1
3.3µH
3.3µH
R1
R1
R2
R2
Application circuit
C2
C2
22µF
22µF
5V – 3A
5V – 3A
5V – 3A
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