LTC1871EMS-1#PBF

DC DC Switching Controllers Overview

The LTC1871EMS-1#PBF is a switching controller from Analog Devices designed for wide input range applications. It supports Boost, Flyback, and SEPIC topologies with a single output. The device operates at a switch frequency between 50 kHz and 1 MHz and achieves a maximum duty cycle of 97%. It functions within an input voltage range of 2.5 V to 36 V and maintains a quiescent supply current of 250 uA. The component is rated for operation between -40°C and +85°C and is housed in an MSOP-10 package.

DC DC Switching Controllers Feature Summary

• Supports Boost, Flyback, and SEPIC converter topologies
• Operates without external sense resistors using current mode control
• Features wide input voltage capability up to 36 V
• Includes internal high-side and low-side drivers

DC DC Switching Controllers Applications

• Battery-powered portable equipment
• Industrial power supplies
• Telecommunications systems
• Automotive electronics

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation when ordering, as it indicates the temperature grade and packaging configuration. Confirm availability status directly with authorized distributors or the manufacturer, as supply levels may vary. Ensure the selected part matches the required operating temperature range and pinout compatibility for your specific PCB layout design.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring flexible topology support including boost, flyback, and SEPIC configurations. It is suitable for applications needing wide input voltage ranges and efficient current mode control without external sensing components. Consider the MSOP-10 package size for space-constrained layouts and verify thermal requirements for the intended operating environment.

DC DC Switching Controllers Part Context

This component belongs to the LTC1871 family of switching controllers manufactured by Analog Devices. These devices are engineered for high-efficiency power conversion in compact form factors. The series is commonly utilized in modern electronic systems where power management efficiency and flexibility are critical design parameters.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include other parts within the LTC1871 series such as the LTC1871EMS or LTC1871XMS variants, provided they meet the specific temperature and package requirements.