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TPS51275RUKR The Texas Instruments TPS51275RUKR is a dual synchronous buck controller with integrated 5-V and 3.3-V LDOs. It operates from a 5-V to 24-V input range.
Mfr Part #:

TPS51275RUKR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS51275RUKR is a dual synchronous buck controller with integrated 5-V and 3.3-V LDOs. It operates from a 5-V to 24-V input range.
✓ Total Stock: 41,186 pcs
$ Price Range: $0.35

TPS51275RUKR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
20,307 pcs
On Request
20307 pcs On Request 1 On Request On Request 12+PB On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
11,879 pcs
On Request
11879 pcs On Request 1 On Request On Request 16+ On Request On Request
Rayichip ✓
Non-Authorised Inventory information
9,000 pcs
On Request
9000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TPS51275RUKR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Features
Frequency
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Current
Output Voltage
Protection Features
Quiescent Current
Supplier Device Package
Topology
Voltage
w
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TPS51275RUKR Description

Short technical summary and product information.

The Texas Instruments TPS51275RUKR is a versatile dual synchronous buck controller designed for efficient power management. It integrates two 100-mA LDOs, providing 5-V and 3.3-V outputs.

 

This controller features an input voltage range of 5 V to 24 V and supports an output current of up to 20 A. The D-CAP mode control architecture allows for adaptive on-time operation with frequency settings of 300 kHz and 355 kHz. Key features include light-load efficiency, power good indication, and synchronous rectification.

 

Designed for surface mount applications, the TPS51275RUKR comes in a 20-WQFN (3x3 mm) package. It offers robust protection features such as OVP, UVP, and OCP, along with non-latch UVLO and OTP protection. The internal soft-start time is 0.8 ms, and it utilizes low-side R DS(on) for current sensing.

 

This component is suitable for various power supply designs requiring stable and efficient voltage regulation. Its combination of buck and LDO capabilities makes it a flexible solution for complex power systems.

TPS51275RUKR Quick Information

Product Type: Voltage Regulator
Canonical Name: TPS51275RUKR Dual Synchronous Buck Controller with 5-V and 3.3-V LDOs
Subcategory: Buck Converter

TPS51275RUKR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS51275RUKR Estimated Pricing

Qty Low High
1+ $0.35 $0.35

Estimated market price range - modelled values for guidance only, not live distributor offers.

TPS51275RUKR Features

  • Dual synchronous buck controller with LDOs
  • 5V to 24V input voltage range
  • Up to 20A output current
  • D-CAP control mode
  • 20-WQFN package for surface mounting

TPS51275RUKR Applications

  • Powering multiple voltage rails
  • System power management
  • High-efficiency DC/DC conversion
  • Embedded system power supplies

TPS51275RUKR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TPS51275RUKR?

The input voltage range is 5V to 24V.

What output voltages does the TPS51275RUKR provide?

The device provides 5V and 3.3V outputs from the buck converters and LDOs, adjustable within ±10%.

What is the maximum output current of the TPS51275RUKR?

The maximum output current is 20A.

What is the operating temperature range of the TPS51275RUKR?

The operating temperature range is -40°C to 85°C.

What package is the TPS51275RUKR available in?

The device is available in a 20-WQFN Exposed Pad package.

What protection features does the TPS51275RUKR include?

It includes overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), non-latch UVLO, and overtemperature protection (OTP).

What control architecture does the TPS51275RUKR use?

It uses adaptive on-time D-CAP mode control architecture.

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