LMR36503RFRPER The LMR36503RFRPER is a 300mA synchronous step-down DC/DC converter from Texas Instruments. It features a wide input voltage range and adjustable output.
Mfr Part #:

LMR36503RFRPER

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The LMR36503RFRPER is a 300mA synchronous step-down DC/DC converter from Texas Instruments. It features a wide input voltage range and adjustable output.
✓ Total Stock: 10 pcs
$ Price Range: $0.20

LMR36503RFRPER Available from 1 distributor

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✓ Non-Authorised
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LMR36503RFRPER Specifications Quick View

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

LMR36503RFRPER Description

Short technical summary and product information.

The LMR36503RFRPER is a synchronous buck converter designed for rugged industrial applications. It operates with an input voltage range from 3V to 65V and can deliver up to 300mA of output current.

 

This device features an adjustable switching frequency from 200 kHz to 2.2 MHz, allowing for flexibility in design and component selection. The operating junction temperature range is -40°C to +150°C, making it suitable for demanding environments. The converter is housed in a compact 9-VQFN-HR package with wettable flanks, supporting surface mount installation.

 

Key electrical characteristics include ultra-low quiescent current at no load and high peak efficiency. The design supports internal compensation and a reduced external component count, minimizing solution size and cost. It also offers input transient protection up to 70V and meets surge immunity requirements.

 

Applications for the LMR36503RFRPER include factory automation, field transmitters, process sensors, building automation systems like HVAC and fire safety, and appliances such as garden and power tools.

LMR36503RFRPER Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LMR36503 Synchronous Buck Converter
Subcategory: Buck Converter

LMR36503RFRPER Compliance

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

LMR36503RFRPER Estimated Pricing

Qty Low High
1+ $0.20 $0.20

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

LMR36503RFRPER Features

  • Wide 3V to 65V input voltage range.
  • 300mA output current capability.
  • Adjustable switching frequency from 200kHz to 2.2MHz.
  • Operates from -40°C to 150°C junction temperature.
  • Compact 9-VQFN-HR package with wettable flanks.

LMR36503RFRPER Applications

  • Suitable for factory automation.
  • Used in field transmitters and sensors.
  • Applicable to building automation systems.
  • Designed for HVAC and fire safety.
  • Can be used in power tools.

LMR36503RFRPER FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LMR36503RFRPER?

3V to 65V.

What is the maximum output current?

300mA.

What is the operating temperature range?

-40°C to 150°C.

What package is the LMR36503RFRPER available in?

9-VQFN-HR (2x2).

Is the LMR36503RFRPER a synchronous buck converter?

Yes.

What is the switching frequency range?

200kHz to 2.2MHz.

What is the typical quiescent current?

4µA.

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