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LTC1149CS-5 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LTC1149CS-5LT125Yes

LTC1149CS-5 is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).

The LTC1149CS-5 is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).

Specifications:

  • Input Voltage Range: 4V to 16V
  • Output Voltage: Fixed 5V
  • Output Current: Up to 1A
  • Switching Frequency: 200kHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C
  • Package: 16-Lead SOIC

Descriptions:

The LTC1149CS-5 is a synchronous buck regulator designed for high-efficiency power conversion. It integrates both main and synchronous switches, reducing external component count. The fixed 5V output makes it suitable for applications requiring stable voltage regulation with minimal external circuitry.

Features:

  • Synchronous Rectification: Improves efficiency by replacing the Schottky diode with a MOSFET.
  • Low Quiescent Current: 1.5mA typical.
  • Burst Mode® Operation: Enhances efficiency at light loads.
  • Short-Circuit Protection: Safeguards the device under fault conditions.
  • Soft-Start: Reduces inrush current during startup.
  • Wide Input Voltage Range: Supports 4V to 16V operation.

This device is commonly used in battery-powered systems, portable electronics, and distributed power systems.

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