National Semiconductor LM5642MTC

LM5642MTC National Semiconductor
National Semiconductor

Product Information

The National Semiconductor LM5642MTC is a dual, high-frequency buck converter IC housed in a compact TSSOP-28 package. It is designed to provide efficient power conversion and management in telecom and datacom systems applications.

Synchronous Rectifier:
Yes
HTSUS:
8542.39.0001
Supplier Device Package:
28-TSSOP
Operating Temperature:
-40°C ~ 125°C (TJ)
Voltage - Supply (Vcc/Vdd):
4.5V ~ 36V
Package / Case:
28-TSSOP (0.173", 4.40mm Width)
Function:
Step-Down
Frequency - Switching:
200kHz
Output Type:
Transistor Driver
Output Phases:
2
Topology:
Buck
Control Features:
Current Limit, Enable, Soft Start
Number of Outputs:
2
Package:
Bulk
Clock Sync:
Yes
Duty Cycle (Max):
98.9%
Mounting Type:
Surface Mount
Series:
-
Serial Interfaces:
-
Output Configuration:
Positive
Base Product Number:
LM5642
ECCN:
EAR99
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The National Semiconductor LM5642MTC is a versatile integrated circuit (IC) that is a buck regulator positive output step-down DC-DC controller. With its compact 28-TSSOP (Thin Shrink Small Outline Package) form factor, the LM5642MTC offers an efficient and reliable solution for various power management applications. Its flexibility and robustness make it suitable for many design projects needing stable and regulated power delivery.

The National Semiconductor LM5642MTC: Key Features and Advantages

  • Buck Regulator Controller: The LM5642MTC functions as a controller for a step-down DC-DC buck regulator, enabling the conversion of a higher input voltage to a lower output voltage with increased efficiency.
  • Positive Output Voltage: The IC is designed to generate positive output voltages, making it suitable for various applications requiring regulated and stable power supplies.
  • Compact 28-TSSOP Package: The LM5642MTC is housed in a space-saving 28-TSSOP package, which enhances its suitability for compact electronic devices and systems.
  • Wide Input Voltage Range: The IC operates efficiently with a wide input voltage range, accommodating diverse input sources and ensuring compatibility with different power supply configurations.
  • Flexible Frequency Synchronisation: The LM5642MTC allows for easy frequency synchronisation with an external clock signal, enabling system-level synchronisation in multi-regulator setups.
  • Comprehensive Protection Features: The IC incorporates various protection features, including overvoltage protection (OVP), under voltage lockout (UVLO), thermal shutdown, and current limit protection, safeguarding the system and components from potential faults and failures.

Application Areas of National Semiconductor LM5642MTC

  • Power Supplies: The LM5642MTC is well-suited for designing power supplies in industrial equipment, telecommunications, and consumer electronics applications.
  • Automotive Systems: The IC can be utilised in automotive systems, including infotainment systems, advanced driver-assistance systems (ADAS), and lighting applications, to ensure stable and efficient power delivery.
  • Battery-Powered Devices: With its high efficiency and flexible input voltage range, the LM5642MTC is suitable for battery-powered devices like smartphones, tablets, and wearable electronics, optimising battery life and performance.
  • Embedded Systems: The IC can be integrated into embedded systems, providing regulated power for microcontrollers, sensors, and other electronic components.

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FAQs

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You can order National Semiconductor brand products with LM5642MTC directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.
Yes. Our products in DC DC Switching Controllers category are shipped in lowest possible time.
You will get a confirmation email regarding your order of National Semiconductor LM5642MTC. You can also check on our website or by contacting our customer support team for further order details on National Semiconductor LM5642MTC.
We use our internationally recognized delivery partners UPS/DHL. Collection of ET22556305 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search "National Semiconductor" products on our website by using Enrgtech's Unique Manufacturing Part Number ET22556305.
Yes. We ship LM5642MTC Internationally to many countries around the world.