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LM2731YMFX
Texas Instruments
IC REG BOOST ADJ 1.8A SOT23-5
1450 Pcs New Original In Stock
Boost Switching Regulator IC Positive Adjustable 2.7V 1 Output 1.8A (Switch) SC-74A, SOT-753
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5.0 / 5.0
- (481 Ratings)
LM2731YMFX
Product Overview
1353637
DiGi Electronics Part Number
LM2731YMFX-DGManufacturer
Texas Instruments
LM2731YMFX
Description
IC REG BOOST ADJ 1.8A SOT23-5Inventory
1450 Pcs New Original In Stock
Boost Switching Regulator IC Positive Adjustable 2.7V 1 Output 1.8A (Switch) SC-74A, SOT-753
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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LM2731YMFX Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
-
Series
-
Product Status
Obsolete
Function
Step-Up
Output Configuration
Positive
Topology
Boost
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
2.7V
Voltage - Input (Max)
14V
Voltage - Output (Min/Fixed)
2.7V
Voltage - Output (Max)
22V (Switch)
Current - Output
1.8A (Switch)
Frequency - Switching
600kHz
Synchronous Rectifier
No
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Base Product Number
LM2731
Datasheet & Documents
HTML Datasheet
LM2731YMFX-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
3,000
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The combination of competitive pricing and eco-conscious packaging is impressive.
de desembre 02, 2025
DiGi Electronics' dedication to reliable service has built a strong foundation of trust with us.
de desembre 02, 2025
Shipping is always prompt, and their support team is quick to respond to queries.
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Frequently Asked Questions (FAQ)
What is the LM2731YMFX used for in power management applications?
The LM2731YMFX is a boost switching regulator IC designed to step up a lower DC input voltage to a higher adjustable output voltage. It is commonly used in power management designs that need a compact, surface-mount step-up converter with a single positive output. Typical applications include portable electronics, embedded systems, and other circuits that require efficient voltage boosting.
What are the input and output voltage ranges of the LM2731YMFX boost regulator?
The LM2731YMFX supports an input voltage range from 2.7V to 14V, making it suitable for a variety of low- and mid-voltage power sources. Its output is adjustable, with a minimum of 2.7V and a maximum switch voltage of 22V. This flexibility makes it useful for custom DC-DC boost converter designs.
Is the LM2731YMFX compatible with SOT-23-5 or SC-74A surface-mount PCB layouts?
Yes, the LM2731YMFX comes in an SOT-23-5 supplier package and an SC-74A, SOT-753 package type. It is a surface-mount device, so it is intended for compact PCB layouts with compatible footprint and assembly processes. Before substitution, always verify the exact pinout and board footprint against the datasheet.
What are the main advantages of using the LM2731YMFX step-up converter IC?
The LM2731YMFX offers an adjustable boost topology, up to 1.8A switch current, and a 600kHz switching frequency for compact power designs. Its wide input range and high operating temperature range from -40°C to 125°C make it suitable for demanding environments. It is a practical choice when you need a small, efficient regulator for raising DC voltage.
Is the LM2731YMFX still available, and are there replacement or substitute options?
The LM2731YMFX is marked as obsolete, so long-term availability may be limited. However, inventory is listed as in stock, and a substitute option is noted as LM2731YMFX/NOPB. For purchase or redesign work, it is important to confirm stock status, lifecycle risk, and electrical compatibility before committing to the part.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LM2731YMFX CAD Models
Texas Instruments LM2731YMFX PCB symbols & footprints
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