LM3671TL-1.8 Texas Instruments In Stock
LM3671TL-1.8 is a 600mA step-down DC-DC switching regulator with fixed 1.8V output by Texas Instruments. Key specs: 2.7V to 5.5V input voltage range, up to 95% efficiency, 2MHz switching frequency. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.8V regulated output with up to 600mA load current for low-voltage microprocessor and DSP core power supplies
- Wide 2.7V to 5.5V input range enables direct operation from Li-Ion batteries or 3.3V/5V bus rails
- 2MHz high-frequency switching allows use of tiny external inductors and capacitors, minimizing PCB footprint
Applications
The LM3671TL-1.8 is designed for powering low-voltage digital ICs, microcontrollers, and DSP cores in battery-powered portable devices such as smartphones, tablets, and wearables. Its high switching frequency enables a compact power solution with minimal external components, ideal for space-constrained applications. It is also suitable for IoT nodes, wireless sensor modules, and handheld instruments requiring stable 1.8V power from a Li-Ion or regulated 5V source.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage of the LM3671TL-1.8?
The LM3671TL-1.8 provides a fixed regulated output voltage of 1.8V, suitable for powering low-voltage digital logic, microcontrollers, memory, and DSP cores that require a 1.8V supply rail in battery-powered and portable electronic systems.
What is the input voltage range of the LM3671TL-1.8?
The LM3671TL-1.8 accepts an input voltage range of 2.7V to 5.5V, making it compatible with single-cell Li-Ion battery packs (2.7V–4.2V) and regulated 3.3V or 5V power rails in embedded and portable device designs.
What is the maximum output current of the LM3671TL-1.8?
The LM3671TL-1.8 can supply up to 600mA continuous output current at 1.8V. This current capacity is sufficient for most microcontrollers, FPGAs, and digital signal processors used in low-power portable and IoT applications.
What package is the LM3671TL-1.8 available in?
The LM3671TL-1.8 is housed in a tiny 5-pin SOT-23 (TL) surface-mount package, enabling compact PCB layout with minimal board space. The small form factor and high switching frequency allow very small external passive components for a complete power solution.
What is the switching frequency of the LM3671TL-1.8?
The LM3671TL-1.8 operates at a 2MHz switching frequency, which reduces the required inductor and capacitor sizes significantly compared to lower-frequency designs, enabling a compact and cost-effective power supply solution for portable electronics.
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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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