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LM27403SQ/NOPB

Part No LM27403SQ/NOPB
Manufacturer Texas Instruments
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description Synchronous Buck Controller with Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection
Datasheet
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Categories Integrated Circuits (ICs)
Manufacturer Texas Instruments
Packaging Reel - TR
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Supply Voltage 3 V ~ 20 V
Frequency - Switching 200kHz ~ 1.2MHz
Duty Cycle (Maximum) 93%
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature Range -40°C ~ 125°C (TJ)
Package 24-WFQFN Exposed Pad
Manufacturer Package 24-WQFN (4x4)
Win Source Part Number 1197969-LM27403SQ/NOPB
Manufacturer Homepage www.ti.com
Popularity Medium
Supply and Demand Status Limited
Family Name LM27403
Introduction Date September 29, 2013
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2028
Ultra Librarian 3D Model Ultra Librarian LM27403SQ/NOPB CAD Model

Description

The LM27403SQ/NOPB is a high-performance, synchronous buck controller designed by Texas Instruments, tailored for efficient power management in a variety of applications. This device is a part of TI's extensive power management integrated circuits, offering advanced features and robust operation for modern electronic systems.

Key Features

  • Voltage Control: The LM27403SQ/NOPB operates with an input voltage range from 3 V to 20 V, making it versatile for different power supply requirements.
  • High Efficiency: Its synchronous buck topology ensures high conversion efficiency, which is crucial for reducing heat and improving system reliability.
  • Adjustable Switching Frequency: Users can adjust the switching frequency from 200 kHz to 1 MHz, allowing for flexibility in balancing efficiency and component size.
  • Protection Features: The device includes a suite of protection features such as overvoltage, undervoltage, overcurrent, and thermal shutdown, safeguarding the system against a range of fault conditions.
  • Performance Tuning: With an integrated feedback loop and programmable soft-start, the LM27403SQ/NOPB allows for fine-tuning of performance to meet specific application needs.

Applications

The LM27403SQ/NOPB is suitable for a broad spectrum of applications, including but not limited to:

  • Networking and telecommunications equipment
  • Computing systems and servers
  • Industrial power systems
  • High-density power supplies

Quality and Reliability

Encased in a 24-lead WQFN (Wettable Flank) package, the LM27403SQ/NOPB is designed for optimal thermal performance and space-saving on PCBs. The "NOPB" designation indicates that the product is lead-free, which complies with RoHS regulations, ensuring environmental friendliness and suitability for use in a wide range of markets. Texas Instruments is known for its commitment to quality, and this product is no exception, providing reliable power management for critical applications.

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Pricing & Ordering

Quantity Unit Price Ext. Price
20+ $2.5626 $51.2520
48+ $2.1026 $100.9248
74+ $2.0369 $150.7306
102+ $1.9712 $201.0624
132+ $1.9055 $251.5260
176+ $1.7084 $300.6784
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 2,500 pieces
MOQ: 20 pcs
Order Increment : 1 pcs
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