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TPS543C20RVFR The Texas Instruments TPS543C20RVFR is a 40A synchronous step-down buck converter. It operates with an input voltage range of 4V to 14V and provides an adjustable output voltage from 0.6V to 5.5V.
Mfr Part #:

TPS543C20RVFR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS543C20RVFR is a 40A synchronous step-down buck converter. It operates with an input voltage range of 4V to 14V and provides an adjustable output voltage from 0.6V to 5.5V.
✓ Total Stock: 2,504 pcs
$ Price Range: $5.48

TPS543C20RVFR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,540 pcs
On Request
1540 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
960 pcs
On Request
960 pcs On Request 1 On Request On Request 22+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
4 pcs
On Request
4 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.

TPS543C20RVFR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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TPS543C20RVFR Description

Short technical summary and product information.

The Texas Instruments TPS543C20RVFR is a high-performance synchronous buck converter designed for efficient power management. It supports an input voltage range of 4V to 14V and can deliver up to 40A of output current.

 

The output voltage is adjustable, ranging from 0.6V to 5.5V, making it versatile for various applications. This device features an operating temperature range of -40°C to 125°C, ensuring reliable performance in demanding environments. The TPS543C20RVFR is housed in a 40-LQFN-CLIP (7x5) package and utilizes surface mount technology for integration into printed circuit boards.

 

Key electrical specifications include a switching frequency that can be programmed from 300 kHz to 2 MHz for standalone operation, and 300 kHz to 1 MHz when stacked. It also features a low typical quiescent current of 0.0043A and a maximum duty cycle of 70%.

 

This buck converter is suitable for applications requiring high current density and efficient voltage regulation. Its design incorporates features like synchronous rectification for improved efficiency and an adjustable current limit for protection.

TPS543C20RVFR Quick Information

Product Type: Buck Converter
Canonical Name: Texas Instruments TPS543C20RVFR Synchronous Buck Converter
Subcategory: Buck Converters

TPS543C20RVFR Compliance

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

TPS543C20RVFR Estimated Pricing

Qty Low High
1+ $5.48 $5.48

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

TPS543C20RVFR Features

  • 40A synchronous step-down buck converter.
  • Input voltage range of 4V to 14V.
  • Adjustable output voltage from 0.6V to 5.5V.
  • Surface mountable 40-LQFN-CLIP package.
  • Wide operating temperature range of -40°C to 125°C.

TPS543C20RVFR Applications

  • High current density power solutions.
  • Efficient voltage regulation applications.
  • Systems requiring adjustable output voltage.
  • Embedded power supply designs.

TPS543C20RVFR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the TPS543C20RVFR?

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

What package is the TPS543C20RVFR available in?

40-LQFN-CLIP (7x5) and 40-LFQFN Exposed Pad.

What is the input voltage range for the TPS543C20RVFR?

4 V to 14 V.

What is the output voltage range of the TPS543C20RVFR?

0.6 V to 5.5 V.

What is the maximum output current of the TPS543C20RVFR?

40 A.

What is the switching frequency range of the TPS543C20RVFR?

300 kHz to 2 MHz in standalone mode, or 300 kHz to 1 MHz in stackable mode.

What is the typical quiescent current of the TPS543C20RVFR?

0.0043 A (4.3 mA).

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