LT3435EFE#PBF

Overview

The LT3435EFE#PBF is a high-voltage monolithic buck switching regulator manufactured by Analog Devices. It operates with an input voltage range of 3.3 V to 60 V and delivers up to 2.4 A output current. The device integrates a 3 A power switch and supports a fixed switching frequency of 500 kHz. It features a low quiescent current of 100 µA and includes adjustable output voltage capability. The component is housed in a 16-pin TSSOP package with exposed pad and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates a high-voltage 3 A power switch for efficient step-down conversion
• Supports wide input voltage ranges from 3.3 V to 60 V
• Features low 100 µA quiescent current for improved efficiency
• Includes thermal shutdown protection for operational safety

Applications

• Industrial control systems requiring high-voltage regulation
• Automotive electronics operating under varying supply conditions
• Distributed power architectures in telecommunications equipment

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS standards before procurement. Confirm the EFE package code corresponds to the required 16-pin TSSOP form factor. Ensure the extended industrial temperature rating aligns with system environmental requirements. Cross-reference the manufacturer part number directly with official Analog Devices documentation to avoid counterfeit components.

Selection Notes

Select this component when a wide input voltage range up to 60 V is necessary. The 500 kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 2.4 A continuous output limit against peak load demands. The TSSOP-EP package provides thermal performance benefits for surface-mount applications.

Part Context

This part belongs to the LT3435 family of high-voltage step-down regulators. It shares functional similarities with other members like the LT3435IFE, differing primarily in package type and temperature range specifications. The series targets applications needing robust power management in electrically noisy or high-voltage environments.

Replacement Considerations

LT3435IFE#PBF serves as a direct alternative with identical electrical characteristics but utilizes an MSOP package instead of TSSOP.