LM2673SD-5.0/NOPBIn StockTexas Instruments
Texas Instruments LM2673SD-5.0/NOPB is a 3A step-down DC-DC switching regulator with voltage-mode PWM control, 8–40V input range, and 5.0V fixed output. Features pulse-width modulation for stable regulation in industrial and automotive power supply designs. From $2.86, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM2673SD-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8600(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3A output current capability for medium-power step-down conversion
- Wide 8V to 40V input voltage range suits industrial and automotive applications
- Fixed 5.0V output with voltage-mode PWM control for stable regulation
- 14-pin Small Outline No-lead (LLP) package for compact PCB footprint
- RoHS-compliant Pb-free construction (JESD-609 e3 rated)
Applications
The LM2673SD-5.0/NOPB is well-suited for industrial power supplies, automotive electronics, and distributed power architectures requiring a regulated 5V rail from higher-voltage sources. Its wide input range and 3A current capacity make it ideal for powering microcontrollers, FPGAs, and peripherals in battery-operated or vehicle systems. It also fits telecom equipment and motor driver pre-regulation stages where efficient, compact step-down conversion is critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-XDSO-N14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.23V |
| Output Voltage-Nom | 5V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SOLCC14,.2,32 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 260kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2673SD-5.0/NOPB:
Switching Regulator, Current-mode, 5.4A, 280kHz Switching Freq-Max
Frequently Asked Questions
What is the input voltage range of the LM2673SD-5.0/NOPB?
The LM2673SD-5.0/NOPB accepts an input voltage from 8V minimum to 40V maximum, with a nominal operating voltage of 12V. This wide input range makes it suitable for automotive (12V/24V) and industrial 24V–36V bus systems.
What output voltage and current does the LM2673SD-5.0/NOPB provide?
This device provides a fixed 5.0V output voltage and can deliver up to 3A of continuous output current. The voltage-mode PWM control technique ensures tight output regulation across the full load range.
What package does the LM2673SD-5.0/NOPB use, and is it RoHS compliant?
The LM2673SD-5.0/NOPB comes in a 14-pin Small Outline No-lead (LLP/SOIC) package, JESD-30 code R-XDSO-N14. It is fully RoHS-compliant with a Pb-free JESD-609 e3 rating, as indicated by the NOPB suffix.
What are typical applications for the LM2673SD-5.0/NOPB?
Typical applications include industrial control systems, automotive ECU power rails, telecom equipment, distributed power architectures, and any design needing an efficient step-down converter to generate a stable 5V rail from an 8V–40V source.
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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.
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| Qty. | Unit Price | Ext. Price |
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| 250+ | $3.9800 | $995.00 |
| 500+ | $3.2200 | $1610.00 |
| 1000+ | $3.0400 | $3040.00 |
| 10000+ | $2.8600 | $28600.00 |
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