Texas Instruments LM2677S-5.0/NOPB

Enrgtech Part No: ET11283028
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Manufacturer Part No:
LM2677S-5.0/NOPB
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Manufacturer: Texas Instruments

LM2677S-5-0-NOPB Texas Instruments LM2677S-5.0/NOPB

Product Information

Converter Type:

Step Down

Minimum Output Current:

Maximum Output Voltage:

37 V

Minimum Output Voltage:

1.23 V

Maximum Input Voltage:

40 V

Minimum Input Voltage:

8 V

Synchronous Rectifier:

HTSUS:

8542.39.0060

RoHS Status:

ROHS3 Compliant

Operating Temperature:

-40°C ~ 125°C (TJ)

Package / Case:

TO-263-8, D2PAK (7 Leads + Tab), TO-263CA

Voltage - Input (Min):

Checking for live stock

The LM2677S-5.0/NOPB is a rugged, industrial-grade 5 A, 5 V fixed-output buck (step-down) switching regulator from Texas Instruments. Engineered for high-efficiency power conversion, it operates across a wide 8 V–40 V input range and delivers a consistent 5 V output. Encased in a thermally friendly TO-263-8 (D2PAK) package, it excels in demanding environments, from battery-powered systems to telecom gear, thanks to its wide operating temperature range of −40°C to +125°C and compliance with RoHS3 standards.

What Benefits Do You Get?

Choosing this LM2677S variant means unlocking:

High efficiency (commonly > 90%) minimising wasted energy, improving thermal performance, and reducing the need for large heatsinks.
Simple, streamlined design—thanks to TI’s SIMPLE SWITCHER® architecture and the availability of off‑the‑shelf inductors and capacitors, cutting both time and complexity in your power supply layout.
Tight regulation—±2 % output tolerance ensures accuracy under varied input voltages and loads.
Power-saving standby mode—an ON/OFF input lets you shut the part down to a minimal 50 µA quiescent current.
Robust design capability—wide temperature range and built-in protection features (like thermal shutdown and current limiting) deliver resilience in harsh conditions.

Product Functional Highlights:

Fixed 5 V output at up to 5 A
Input voltage range: 8 V – 40 V
High-efficiency buck architecture (often > 90 %)
SIMPLE SWITCHER® platform, minimal external component requirement
Built-in 100 mΩ DMOS output switch for reduced conduction loss
±2 % output accuracy across line and load variations
ON/OFF control for ultra-low 50 µA standby draw
260 kHz internal switching oscillator; supports external sync (280–400 kHz).

Datasheet - LM2677S-5.0/NOPB(Technical Reference)

LMDMOS devices 23/Mar/2018(PCN Assembly/Origin)

LM2677S-ADJ(Datasheets)

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