LMR62421XMFX/NOPB The Texas Instruments LMR62421XMFX/NOPB is a 2.1A Boost and SEPIC DC-DC converter. It operates with an input voltage from 2.7V to 5.5V and can provide an output voltage up to 24V.
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LMR62421XMFX/NOPB

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LMR62421XMFX/NOPB is a 2.1A Boost and SEPIC DC-DC converter. It operates with an input voltage from 2.7V to 5.5V and can provide an output voltage up to 24V.
✓ Total Stock: 4,032 pcs
$ Price Range: $0.52

LMR62421XMFX/NOPB Available from 3 distributors

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✓ Non-Authorised
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3,424 pcs
3424 pcs On Request 1 On Request On Request 18+ On Request On Request
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470 pcs
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LMR62421XMFX/NOPB Specifications Quick View

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

LMR62421XMFX/NOPB Description

Short technical summary and product information.

The LMR62421XMFX/NOPB from Texas Instruments is an easy-to-use, space-efficient 2.1A low-side switch regulator ideal for Boost and SEPIC DC-DC regulation. It provides all the active functions to deliver local DC/DC conversion with fast transient response and accurate regulation in the smallest PCB area.

 

This device features an input voltage range of 2.7V to 5.5V and can achieve an output voltage up to 24V. The switching frequency is internally set to 1.6 MHz, enabling the use of extremely small surface mount inductors and capacitors. Key electrical specifications include a switch current limit of 3A typical and a quiescent current of 0.007A typical.

 

The LMR62421XMFX/NOPB is available in a 5-pin SOT-23 package and a 6-pin WSON package. Its operating temperature range is -40°C to 125°C (TJ). The regulator includes features such as enable, nonsynchronous rectification, cycle-by-cycle current limiting, internally compensated components, and internal soft-start, making it a versatile solution for various power management applications.

LMR62421XMFX/NOPB Quick Information

Product Type: DC DC Switching Regulator
Series: SIMPLE SWITCHER
Canonical Name: LMR62421 SIMPLE SWITCHER 24Vout, 2.1A Step-Up Voltage Regulator
Subcategory: Boost Converter

LMR62421XMFX/NOPB Compliance

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

LMR62421XMFX/NOPB Estimated Pricing

Qty Low High
1+ $0.52 $0.52

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

LMR62421XMFX/NOPB Features

  • 2.1A switch current limit typical.
  • Input voltage range 2.7V to 5.5V.
  • Output voltage up to 24V adjustable.
  • 1.6 MHz internal switching frequency.
  • Available in SOT-23-5 package.

LMR62421XMFX/NOPB Applications

  • Ideal for Boost DC-DC regulation.
  • Suitable for SEPIC DC-DC regulation.
  • Enables small PCB area solutions.
  • Provides fast transient response.

LMR62421XMFX/NOPB FAQs

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

2.7V to 5.5V.

What is the output voltage range?

Adjustable from 3V to 24V.

What is the switching frequency?

1.6 MHz.

What is the operating temperature range?

-40°C to 125°C.

What package is this device available in?

SOT-23-5 (also SC-74A, SOT-753).

What is the switch current limit?

2.1A typical.

Is this device synchronous?

No, it uses nonsynchronous rectification.

LMR62421XMFX/NOPB Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
LMR62421XMF/NOPB
LMR62421XMF/NOPB
Texas Instruments
The Texas Instruments LMR62421XMF/NOPB is an easy-to-use, space-efficient 2.1A low-side switch regulator ideal for Boost and SEPIC DC-DC regulation. It operates with an input voltage range of 2.7V to 5.5V and can provide an output voltage up to 24V.
View Part
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