ST1S10PHR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST1S10PHR

3 A, 900 kHz, monolithic synchronous step-down regulator

STMicroelectronics 

ST1S10

Application information

Figure 4. Application schematic for low output voltage (VOUT < 2.5 V) and 2.5 V < VIN < 8 V

VIN<8V

VIN_SW

C1

10µF

EN

VIN_A

C3

0.1µF

L1

2.2µH

ST1S10

SW

R1

FB

R2

SYNC

AGND PGND

0.8V<VOUT<2.5V

C2

2x22µF

Figure 5. Application schematic for low output voltage (VOUT < 2.5 V) and 8 V < VIN < 16 V

8V<VIN<16V

VIN_SW

C1

10µF

EN

VIN_A

C3

4.7µF

L1

2.2µH

ST1S10

SW

R1

FB

R2

SYNC

AGND PGND

0.8V<VOUT<2.5V

+

C2

2x22µF

C5

100µF

Electrolytic

ESR<0.1Ohm

13/26

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