LTC1435CS#TRPBF

DC DC Switching Controllers Overview

The LTC1435CS#TRPBF is a high-efficiency, low-noise synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It utilizes a fixed-frequency architecture to drive external N-channel power MOSFETs. The device operates with an input voltage range of 3.5 V to 36 V and provides an adjustable output voltage from 1.19 V to 9 V. Key electrical specifications include a maximum output current capability of 2 A, a switching frequency of 125 kHz, and a quiescent supply current of 260 µA. It features a load regulation of 0.5% and includes a shutdown function. The component is housed in a 16-lead SOIC package and is rated for operation between 0°C and +70°C.

DC DC Switching Controllers Feature Summary

• Synchronous step-down topology utilizing external N-channel MOSFETs for high efficiency
• Low noise design suitable for sensitive analog applications
• Integrated shutdown control for power management

DC DC Switching Controllers Applications

• Portable instrumentation systems requiring stable low-noise power
• Battery-powered equipment needing efficient voltage conversion
• Industrial control units with wide input voltage ranges

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the SOIC-16 package matches your PCB footprint requirements. Ensure the selected variant supports the required input voltage range up to 36 V for your specific circuit design. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit or obsolete stock.

DC DC Switching Controllers Selection Notes

Select this controller when designing buck converters that require low output noise and high efficiency. It is appropriate for applications where external MOSFET selection allows optimization for specific current and thermal needs. Consider the 125 kHz switching frequency for balancing component size and efficiency. Ensure the design accommodates the 3.5 V minimum input voltage constraint.

DC DC Switching Controllers Part Context

This component belongs to the LTC1435 family of synchronous step-down switching regulator controllers. It is designed to work with external power stages rather than containing integrated switches. The family focuses on providing precise control for high-performance DC-DC conversion applications requiring tight regulation and low ripple.

DC DC Switching Controllers Replacement Considerations

Direct replacements are not explicitly confirmed in public documentation. Evaluate alternative Analog Devices synchronous buck controllers based on pin compatibility, switching frequency, and external MOSFET drive capabilities.