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LTC1148LCS#PBF

Part No LTC1148LCS#PBF
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BUCK 14SOIC / Conv DC-DC 3.5V to 20V Synchronous Step Down Single-Out 0.05A 14-Pin SOIC N Tube
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Categories Integrated Circuits (ICs)
Manufacturer Linear Technology
Packaging Tube
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Supply Voltage 3.5 V ~ 20 V
Frequency - Switching Up to 250kHz
Duty Cycle (Maximum) 100%
Synchronous Rectifier Yes
Clock Sync No
Control Features Current Limit, Enable
Operating Temperature Range 0°C ~ 70°C (TA)
Package 14-SOIC (0.154", 3.90mm Width)
Manufacturer Package 14-SOIC
Win Source Part Number 781766-LTC1148LCS#PBF
Popularity Medium
Supply and Demand Status Limited
Family Name LTC1148
Introduction Date October 15, 1998
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2031
Ultra Librarian 3D Model Ultra Librarian LTC1148LCS#PBF CAD Model

Description

Linear Technology LTC1148LCS#PBF High Efficiency Synchronous Step-Down Switching Regulator

The LTC1148LCS#PBF is a high performance synchronous step-down switching regulator manufactured by Linear Technology, now part of Analog Devices. It is designed to provide efficient power conversion with minimal heat generation, making it an ideal choice for compact and power-sensitive applications.

This advanced regulator features a wide input voltage range from 5V to 20V, allowing it to accommodate a variety of power sources. The output voltage is adjustable from 2.5V to 20V, which provides flexibility for different circuit requirements. The LTC1148LCS#PBF is capable of delivering up to 5A of continuous output current, ensuring a reliable power supply for even the most demanding electronic components.

One of the key features of the LTC1148LCS#PBF is its high efficiency, which can reach up to 94%. This is achieved through the use of synchronous rectification, where the internal MOSFET switches are optimally controlled to minimize power loss. The device's Burst Mode® operation further improves efficiency at light loads by reducing quiescent current.

The LTC1148LCS#PBF also incorporates a range of protective features to ensure the safety and reliability of your power system. These include overcurrent protection, which guards against excessive current draw, and thermal shutdown, which prevents damage due to overheating. Additionally, the regulator features a soft-start function that gradually ramps up the output voltage, minimizing inrush current and potential system stress during startup.

For design flexibility, the LTC1148LCS#PBF comes in a 16-lead narrow SOIC package, which is suitable for space-constrained applications. Its compact size and surface-mount design make it easy to integrate into a variety of PCB layouts.

Overall, the LTC1148LCS#PBF from Linear Technology is a robust and versatile synchronous step-down regulator that combines high efficiency, adjustable output, and comprehensive protection features to meet the needs of a wide range of electronic devices and systems.

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