LTC7862EFE#PBF

Overview

The LTC7862EFE#PBF is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 140V and supports output voltages from 0.8V to 60V. The device features a switching frequency adjustable between 50kHz and 900kHz with a maximum duty cycle of 100%. Packaged in a 24-lead TSSOP, it functions reliably across an operating temperature range of -40°C to +125°C.

Feature Summary

• Supports high input voltages up to 140V for flexible power architecture design
• Enables precise current mode control with integrated error amplifier
• Provides comprehensive protection mechanisms including overvoltage and thermal shutdown

Applications

• Industrial automation systems requiring robust power regulation
• Automotive electronics operating under wide voltage fluctuations
• Avionics equipment demanding high reliability and efficiency

Procurement Notes

Verify component authenticity through authorized channels due to limited supply status. Confirm package integrity and pin alignment before integration. Ensure compliance with RoHS directives and check datasheet revisions for any recent specification updates or manufacturing changes prior to final procurement decisions.

Selection Notes

Evaluate thermal performance requirements against the specified junction temperature limits. Consider external component selection for optimal transient response and stability. Verify that the chosen switching frequency aligns with system noise constraints and inductor sizing requirements for efficient operation.

Part Context

This controller belongs to the LTC7862 family designed for high-voltage synchronous buck applications. It complements other Analog Devices power management solutions by offering scalable voltage conversion capabilities suitable for demanding environments where standard low-voltage controllers are insufficient.

Replacement Considerations

LTC7862IUFD#PBF