Electronic Components Supplies Buck Regulator Positive Output Step-Down DC-DC Controller IC TPS51125
Electronic Components Supplies Buck Regulator Positive Output Step-Down DC-DC Controller IC TPS51125

Electronic Components Supplies Buck Regulator Positive Output Step-Down DC-DC Controller IC TPS51125

Model NO.
USD 0.50-1.20 / pieces
Minimum order quantity:
100 pieces
Supply Ability:
2000000 pieces / Day
Country of Origin:
  • Type:Voltage Regulator
  • Place of Origin:US;33145
  • D/C:N/A
  • Package:4-VQFN (4x4)
  • Model Number:TPS51125
  • Brand Name:Original Brand
  • Packaging:Tape & Reel (TR)
  • Output Type:Transistor Driver
  • Function:Step-Down
  • Output Configuration:Positive
  • Topology:Buck
  • Number of Outputs:2
  • Output Phases:1
  • Condition:Original 100%
  • Lead Free Status:Rosh
  • Application:Electronic Components

Electronic Components Supplies Buck Regulator Positive Output Step-Down DC-DC Controller IC TPS51125

Product Description


Product Attributes 
CategoriesIntegrated Circuits (ICs)
PMIC - Voltage Regulators - DC DC Switching Controllers
PackagingTape & Reel (TR) 
Part StatusActive
Output TypeTransistor Driver
Output ConfigurationPositive
Number of Outputs2
Output Phases1
Voltage - Supply (Vcc/Vdd)5.5 V ~ 28 V
Frequency - Switching-
Duty Cycle (Max)-
Synchronous RectifierYes
Clock SyncNo
Serial Interfaces-
Control FeaturesEnable, On Time Control, Power Good
Operating Temperature-40°C ~ 85°C (TA)
Package / Case24-VFQFN Exposed Pad
Supplier Device Package24-VQFN (4x4)


Company introduction

Shenzhen XEEFEE Electronics Co., Ltd was set up in 2007. It is previously known as XeeFee (H.K.) Electron Limited which was found in 2003. The company relies on Hong Kong, establishes in Shenzhen. Specialize in Electronic Components: IC/Transistor/Diode/Capacitor/Resistor etc. Our clients are all over the world, in different time zones. Especially in Europe. 

The total sale volume is above 10 million dollars in 2016. After years of development, Our Company has lots of old customers which are the manufacturers of audio, LCD, PC, PCB. 
Most of our products are new and original, any interests please contact me.

 How is XEEFEE?

1.More than 1000,000 own stock inventory to meet your needs of different products.

We specialize in various types of Modules.Active electronic components(Integrated Circuits, , Relay, Sensors, and etc)and Passive electronic components (Filter, Magnetic Bead.Diodes, Transistors, Capacitors, Resistors, Inductors, and etc) over 10 years.

2. Competitive priceadvantage helps tosave your purchase cost and your precious time.

We wholesale and distribute new,original &famous brand Electronic Components all over the world.

3.Own the international advanced testing equipment of electronic components and scientific storage system to ensure the quality stability.

4.Excellent elite team, more than 6 years seniority, and a good understanding of international market trends.


XEEFEE (2).jpg 

Our Services

Why chooseXEEFEE?

1.We are Alibaba Assessed Gold Supplier.

2. We have best quality controlBest Service and competitive Price.

3.100% QC inspection Before Shipment.

100% New &Original.


What's the Price?

1. All the prices are FOB Shenzhen Price

2. Some part’s price is unstable according to the market, please feel free to contact us for the Latest and Best price.


What's the Payment Method?

1. TT (Bank Wired), PayPal, Western Union, Escrow.

2. The buyer is responsible for all the shipping cost incurred.

3. If you prefer to other payment terms, please contact us.


What's the Refund&Replacement?

If there are any quality problems, please make sure all these items must be returned in their original condition to qualify for a refund or replacement. (Any used or damaged items can not be refunded or replaced).


How is our QC Team?


Packaging & Shipping


  • Shipping: UPS / Fedex / DHL / TNT / EMS. Pls contact us directly which way your preferred.

           For the Countries & Regions where EMS cannot deliver, pls choose other shipping ways.


  • Is your parts new and original ?

Answer : Yes !Our parts could accept any kinds of testing , if there is any quality problems we will take responsible .

  • What is your warranty ?

Answer : Within 90 days after package have been received . 

  • How to pay the order ?

Answer : We could accept TT , Escrow , Paypal , Western Union and Alipay .After the order have been confirmed the invoice will be sent for reference .Then make payment as the way you like , as soon as the payment have been confirmed ,we will arrange shippment within 3 days .

  • Quality problems 

Answer : If there is any quality problems or questions , we could offer technical support or return service .

  •  What is your lead time ?

Answer :There are no lead times for in-stock products. Most of the parts could be shipped out within 3 days after payment have been confirmed.


  • May I have a sample for testing ? 


Answer :Yes ! Only to pay shipping cost ,free samples could be sent for testing .

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