LM2677S-5.0In StockTexas Instruments
LM2677S-5.0 is a high-efficiency 5A step-down (buck) switching voltage regulator by Texas Instruments with a fixed 5.0V output. Key specs: 5A output current, 260kHz switching frequency, input voltage range 8V to 40V. From $4.30, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- LM2677S-5.0 Datasheet PDF
- Price
- From $4.3000(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5.0V output with high accuracy regulation for stable power delivery
- 5A continuous output current supports demanding loads in industrial and consumer applications
- 260kHz switching frequency enables compact external component selection
- Wide input voltage range of 8V to 40V accommodates diverse power sources
- High efficiency step-down architecture minimizes heat dissipation and power loss
- Internally compensated design simplifies PCB layout and reduces design time
Applications
The LM2677S-5.0 is ideal for industrial power supplies, automotive electronics, and embedded systems requiring a regulated 5.0V rail from higher-voltage inputs. It is widely used in set-top boxes, telecom equipment, and battery-powered devices where efficient DC-DC conversion is critical. Its robust 5A current capability also makes it suitable for powering FPGAs, DSPs, and other high-current digital loads.
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 LM2677S-5.0?
The LM2677S-5.0 provides a fixed 5.0V regulated output voltage. It is internally set and does not require an external resistor divider, simplifying the design and ensuring accurate, stable output regulation across load and line variations.
What is the maximum output current of the LM2677S-5.0?
The LM2677S-5.0 can deliver up to 5A of continuous output current, making it suitable for powering FPGAs, microcontrollers, DSPs, and other high-current loads in industrial, automotive, and consumer electronics applications.
What input voltage range does the LM2677S-5.0 support?
The LM2677S-5.0 supports an input voltage range of 8V to 40V, allowing it to be used with a wide variety of power sources including unregulated adapters, automotive batteries (12V/24V), and industrial supply rails.
What package does the LM2677S-5.0 come in?
The LM2677S-5.0 is available in a D2PAK (TO-263) surface-mount package, which offers excellent thermal performance and is well suited for high-current applications requiring efficient heat dissipation on the PCB.
What are common applications for the LM2677S-5.0?
Common applications include industrial power supplies, set-top boxes, telecom equipment, automotive electronics, and embedded systems. Its high efficiency and 5A current rating make it ideal wherever a reliable 5.0V regulated supply is needed from a higher input voltage.
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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 |
|---|---|---|
| 1+ | $6.9200 | $6.92 |
| 100+ | $5.1900 | $519.00 |
| 500+ | $4.8300 | $2415.00 |
| 1000+ | $4.5000 | $4500.00 |
| 10000+ | $4.3000 | $43000.00 |
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