Step-down converter - ST1S10PHR : 0.8V -15.3V 3A
Pulse stabiliser ST1S10PHR
Pulse stabiliser ST1S10PHR
Pulse stabiliser ST1S10PHR
Step-down converter - ST1S10PHR : 0.8V -15.3V 3A - zdjęcie 1
Pulse stabiliser ST1S10PHR - zdjęcie 2
Pulse stabiliser ST1S10PHR - zdjęcie 3
Pulse stabiliser ST1S10PHR - zdjęcie 4

Step-Down Voltage Regulator ST1S10PHR - 0,8V - 15,3V 3A

Index: UCC-00359

Step-down DC-DC converter (low voltage). Power supply: 2.5 V-18 V. Maximum current: 3 A. SO8 housing. Output voltage: 0.8 V - 15.3 V.

PLN5.65
PLN5.65 tax excl.
Waiting time about 10-30 days
Waiting for delivery
30-day returns

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Inverter parameters ST1S10PHR

  • Power supply voltages: 2.5 V to 18 V
  • Output voltage: 0.8 V - 15.3 V
  • Maximum output current: 3 A
  • Horizontal efficiency 90 %
  • Frequency: 400 kHz to 1,2 MHz

Pulse inverters are much more efficient than linear stabilisers. However, they require more additional external components. Incorrectly designed can be a source of interference

A diagram showing the dependence of system efficiency on current.

A diagram showing the use of the system as a 5V stabiliser.

The selection of coils and capacitors is described in detail in the documentation .

Resistors are calculated from the formula:

R1 = R2 x (Vout - Vfb) / Vfb

Vout - the output voltage we want to achieve

Vfb = 0.8 V

R2 - typical recommended value of 20 kOm

For Vout = 5V, the value of R1 will be 105 kOm.

To calculate the value of external elements you can use the calculator available at www.masterlab.com.pl.

PCB design

When designing a PCB, special attention should be paid to the supply of mass to the system. Pathways should be thick. Capacitors as close as possible to the inverter pins. In the documentation the manufacturer suggests how the elements should be placed.

Suggested PCB design.

Current 4 A
Stabilizer - Type2 switching
Stabilizer - Type step-down

Same-day shipping

Posting the payment for the order on our account on a business day up to 10 AM means sending the goods on the same day! 

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, Slovenia, Spain, The United Kingdom

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Cyprus, Finland, Greece, Ireland, Malta, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR


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