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TPS65251-1RHAR The Texas Instruments TPS65251-1RHAR is a triple output, adjustable, step-down DC-DC switching regulator. It operates from a 4.5V input and can deliver up to 3A and 2A on its outputs.
Mfr Part #:

TPS65251-1RHAR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS65251-1RHAR is a triple output, adjustable, step-down DC-DC switching regulator. It operates from a 4.5V input and can deliver up to 3A and 2A on its outputs.
✓ Total Stock: 28,455 pcs
$ Price Range: $1.08

TPS65251-1RHAR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
24,767 pcs
On Request
24767 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,811 pcs
On Request
2811 pcs On Request 1 On Request On Request 15+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
877 pcs
On Request
877 pcs On Request 1 On Request On Request 14+ 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.

TPS65251-1RHAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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TPS65251-1RHAR Description

Short technical summary and product information.

The Texas Instruments TPS65251-1RHAR is a versatile triple output step-down (buck) switching regulator. Designed for efficient power management, it operates with an input voltage of 4.5V and supports adjustable output configurations.

 

This regulator is capable of delivering up to 3A and 2A across its three outputs, making it suitable for applications requiring multiple voltage rails. It features a synchronous rectifier for improved efficiency and operates with a switching frequency ranging from 300kHz to 2.2MHz. The device is housed in a 40-VQFN (6x6) package with an exposed pad for enhanced thermal performance, and it is designed for surface mount installation.

 

The operating temperature range for the TPS65251-1RHAR is -40°C to 125°C (TJ), ensuring reliable performance in various environmental conditions. Its adjustable output type and positive output configuration provide flexibility for different design requirements.

TPS65251-1RHAR Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: TPS65251-1RHAR Triple Output Step-Down Switching Regulator
Subcategory: Voltage Regulators

TPS65251-1RHAR Compliance

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

TPS65251-1RHAR Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

TPS65251-1RHAR Features

  • Triple output step-down switching regulator.
  • Adjustable output voltage configuration.
  • Supports 4.5V input voltage.
  • Delivers up to 3A and 2A current.
  • Operates in a 40-VQFN (6x6) package.

TPS65251-1RHAR Applications

  • Used in multi-rail power supply designs.
  • Ideal for point-of-load regulation.
  • Suitable for industrial and automotive systems.
  • Powers FPGAs, ASICs, and processors.
  • Applicable in telecom and networking equipment.

TPS65251-1RHAR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TPS65251-1RHAR?

The operating voltage is 4.5V.

What is the package type of the TPS65251-1RHAR?

It comes in a 40-VFQFN Exposed Pad package (40-VQFN 6x6) for surface mount.

What is the operating temperature range?

-40°C to 125°C (junction temperature).

How many outputs does the TPS65251-1RHAR have?

It has three outputs.

What output currents are available?

The regulator provides 3A and 2A outputs.

What is the switching frequency range?

The switching frequency is adjustable from 300kHz to 2.2MHz.

What topology does the TPS65251-1RHAR use?

It uses a buck (step-down) topology with synchronous rectification.

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