LTC1435ACG#PBF

DC DC Switching Controllers Overview

The LTC1435ACG#PBF is a high-efficiency, low-noise synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5 V to 36 V and delivers up to 15 A of output current. The device features a fixed switching frequency of 125 kHz and supports adjustable output voltages from 1.19 V to 9 V. Packaged in a 16-lead SSOP, it includes shutdown functionality and exhibits a load regulation of 0.5%. The component functions across a temperature range of -40°C to +85°C with a quiescent current of 280 µA.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology utilizing external N-channel MOSFETs for high efficiency
• Integrated soft-start capability to manage inrush currents during startup
• Fixed-frequency architecture ensuring stable operation under varying loads
• Shutdown pin for power management and system sleep modes

DC DC Switching Controllers Applications

• Industrial control systems requiring robust power conversion
• Telecommunications infrastructure equipment
• Embedded computing platforms needing efficient voltage regulation
• Battery-powered devices requiring extended operational life

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF indicates a lead-free RoHS-compliant package variant when sourcing. Confirm that the AC grade meets the required commercial temperature range specifications for your application environment. Ensure compatibility with external MOSFET selection based on the controller's drive capabilities. Check for updated datasheet revisions to confirm pinout consistency before finalizing PCB layouts.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring a synchronous buck solution with integrated control logic rather than a pre-packaged switch. Evaluate thermal performance requirements as the controller drives external power stages. Consider the 125 kHz switching frequency for balancing EMI constraints against passive component size. Verify that the external MOSFETs selected can handle the 15 A output current while maintaining efficiency targets.

DC DC Switching Controllers Part Context

This part belongs to the LTC1435A family of synchronous step-down switching regulators. It serves as a controller unit designed to manage external power switches, offering flexibility in component selection compared to monolithic solutions. The series is engineered for applications demanding high efficiency and low noise in compact form factors.

DC DC Switching Controllers Replacement Considerations

The LTC1435ACG#TRPBF is a tape-and-reel version of the same functional device. Verify pinout and electrical specifications match exactly before substitution. Other family members may offer different packaging or temperature grades but share core control logic.