LM2674N-3.3In StockTexas Instruments
LM2674N-3.3 is a SIMPLE SWITCHER step-down (buck) voltage regulator IC from Texas Instruments, delivering a fixed 3.3V output at up to 500mA from a 6.5V–40V input. Features internal switches and on/off control. From $0.66, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM2674N-3.3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6572(MOQ 1000)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output with up to 500mA continuous output current
- Wide input voltage range: 6.5V to 40V
- SIMPLE SWITCHER voltage-mode control for minimal external components
- Internal power switch with on/off shutdown control
- Available in 8-DIP package for easy through-hole assembly
Applications
The LM2674N-3.3 is ideal for powering microcontrollers, DSPs, and logic circuits in industrial control systems, consumer electronics, and embedded designs where a regulated 3.3V rail is required. Its wide input range makes it well-suited for automotive, telecom, and battery-powered applications. The simple switcher topology reduces design complexity while maintaining high efficiency in point-of-load power supplies.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | SIMPLE SWITCHER |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 6.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.25A |
| Output Voltage-Max | 3.399V |
| Output Voltage-Min | 3.201V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 275kHz |
| Technology | DMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and maximum output current of the LM2674N-3.3?
The LM2674N-3.3 provides a fixed 3.3V output voltage and can supply up to 500mA of continuous output current, making it suitable for powering low-power microcontrollers and digital logic circuits.
What input voltage range does the LM2674N-3.3 support?
The LM2674N-3.3 supports an input voltage range of 6.5V to 40V, with a nominal operating input of 12V. This wide range makes it compatible with a variety of power sources including unregulated wall adapters, batteries, and automotive 12V/24V rails.
What are common applications for the LM2674N-3.3?
The LM2674N-3.3 is commonly used in industrial control boards, embedded systems, automotive electronics, and consumer devices that require a stable 3.3V supply. Its SIMPLE SWITCHER design minimizes the number of external components needed, reducing BOM cost and PCB space.
What package does the LM2674N-3.3 come in, and are there surface-mount alternatives?
The LM2674N-3.3 is available in an 8-DIP through-hole package (0.300", 7.62mm pitch). For surface-mount applications, Texas Instruments offers the LM2674M-3.3 in an 8-SOIC package as a compatible alternative.
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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 |
|---|---|---|
| 1000+ | $0.8798 | $879.80 |
| 10000+ | $0.7844 | $7844.00 |
| 100000+ | $0.6572 | $65720.00 |
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