LMR14030SDDAR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LMR14030SDDAR is a 40V, 3A current-mode PWM step-down switching regulator from Texas Instruments. It operates from 4V to 40V input with high efficiency and compact SOIC-8 packaging. Ideal for industrial power supplies, automotive systems, and point-of-load regulation. From $0.287, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- LMR14030SDDAR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2870(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide input voltage range: 4V to 40V, supports industrial and automotive power rails
- 3A output current with current-mode PWM control for fast transient response
- Compact SOIC-8 (R-PDSO-G8) package for space-constrained designs
- RoHS compliant (Pb-free) with 15-year estimated end-of-life support
Applications
The LMR14030SDDAR is well-suited for industrial power supplies requiring regulation from high-voltage rails down to low-voltage logic levels. It is commonly used in automotive electronics, distributed power architectures, and point-of-load converters where a wide input range and robust current-mode control are essential. Its compact footprint also makes it a strong choice for telecom equipment and embedded systems with tight board space constraints.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3.5A |
| Output Voltage-Max | 36V |
| Output Voltage-Min | 1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2500kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LMR14030SDDAR:
suggested
suggested
suggested
Switching Regulator, Current-mode, 3.5A, 2500kHz Switching Freq-Max, PDSO8
Frequently Asked Questions
What is the input voltage range of the LMR14030SDDAR?
The LMR14030SDDAR operates over a wide input voltage range of 4V to 40V, with a nominal input of 12V. This makes it suitable for industrial and automotive applications where supply rails can vary significantly.
What output current can the LMR14030SDDAR deliver?
The LMR14030SDDAR can deliver up to 3A of continuous output current. It uses current-mode PWM control to ensure precise regulation and fast transient response under varying load conditions.
What package does the LMR14030SDDAR come in?
The LMR14030SDDAR is available in a Small Outline Package (SOIC-8, JESD-30 code R-PDSO-G8). This compact 8-pin package is ideal for space-constrained PCB designs and is RoHS compliant (Pb-free).
What are typical applications for the LMR14030SDDAR?
Typical applications include industrial power supplies, automotive DC-DC converters, point-of-load regulators, telecom equipment, and embedded systems. Its wide input range and current-mode control make it versatile for demanding environments.
Related Guides
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
0402 10uF X5R Decoupling Design Guide for Compact Digital Rails
Application note for using CL05A106MP5NUNC-class 0402 10uF X5R MLCCs in compact digital rail decoupling designs.
Jun 19, 2026
How to Choose an 0805 10uF MLCC for Decoupling and Bulk Capacitance
Selection guide for choosing 0805 10uF MLCCs around CL21A106KOQNNNE, covering derating, dielectric, package, and sourcing checks.
Jun 19, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $2.3400 | $23.40 |
| 25+ | $2.1400 | $53.50 |
| 100+ | $0.3280 | $32.80 |
| 500+ | $0.3060 | $153.00 |
| 1000+ | $0.2870 | $287.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”