LMR14203XMK The Texas Instruments LMR14203XMK is a 0.3A step-down DC/DC switching regulator. It operates with an input voltage range of 4.5V to 42V and an output voltage range of 0.765V to 34V.
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LMR14203XMK

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LMR14203XMK is a 0.3A step-down DC/DC switching regulator. It operates with an input voltage range of 4.5V to 42V and an output voltage range of 0.765V to 34V.
✓ Total Stock: 153,220 pcs
$ Price Range: $1.08

LMR14203XMK Available from 1 distributor

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✓ Non-Authorised
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153,220 pcs
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LMR14203XMK Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
SVHC Present

LMR14203XMK Description

Short technical summary and product information.

The LMR14203XMK from Texas Instruments is a compact step-down DC/DC switching regulator designed for efficient power conversion. It features a wide input voltage range from 4.5V to 42V, making it suitable for various power supply applications. The regulator can deliver an output current of up to 0.3A and provides an adjustable output voltage ranging from 0.765V to 34V.

 

This device operates at a switching frequency of 1.25 MHz, contributing to a small overall solution size. Key features include enable functionality, overcurrent protection, and internal compensation. The LMR14203XMK is housed in a thin SOT-23-6 package, measuring 2.97mm x 1.65mm x 1mm, with a package area of 8.12mm². Its operating temperature range is -40°C to 125°C.

 

The regulator is internally compensated and includes a soft-start function. It also offers low shutdown quiescent current of 16 µA typical. The LMR14203XMK is designed for ease of use and helps reduce system cost, offering tight accuracy for powering digital ICs.

LMR14203XMK Quick Information

Product Type: DC/DC Switching Regulator
Series: LMR14203
Canonical Name: LMR14203XMK Step-Down DC/DC Switching Regulator
Subcategory: Voltage Regulators

LMR14203XMK Compliance

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

LMR14203XMK Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

LMR14203XMK Features

  • Step-down DC/DC switching regulator
  • 4.5V to 42V input voltage range
  • 0.3A maximum output current
  • 0.765V to 34V output voltage range
  • 1.25MHz switching frequency

LMR14203XMK Applications

  • Suitable for industrial power supply designs.
  • Used in automotive battery-powered systems.
  • Ideal for distributed power architectures.
  • Applicable in point-of-load regulation.

LMR14203XMK FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LMR14203XMK?

The input voltage range is 4.5V to 42V.

What is the maximum output current of the LMR14203XMK?

The maximum output current is 0.3A.

What is the output voltage range for the LMR14203XMK?

The output voltage range is 0.765V to 34V.

What is the switching frequency of the LMR14203XMK?

The switching frequency is 1.25MHz.

What is the operating temperature range for this regulator?

The operating temperature range is -40°C to 125°C.

What package type is the LMR14203XMK in?

It is in a SOT-23-6 package.

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