LTC7860MPMSE#TRPBF

Overview

The LTC7860MPMSE#TRPBF is a high-efficiency surge stopper and overvoltage protection IC manufactured by Analog Devices Inc. It utilizes an external N-channel MOSFET to regulate input voltage, clamping surges up to 150V while maintaining low quiescent current. The device operates within a supply voltage range of 4.5V to 140V and supports adjustable output voltages from 2.5V to 130V. Packaged in a 12-lead MSOP with exposed pad (MSOP-EP), it features thermal shutdown and is rated for industrial temperatures between -55°C and +150°C junction temperature.

Feature Summary

• Active surge clamping capability using external MOSFETs to protect downstream circuitry from transient overvoltages
• Adjustable output voltage regulation allowing flexible system design across wide input ranges
• Integrated thermal shutdown protection to ensure reliability during extreme fault conditions

Applications

• Industrial equipment requiring robust input protection against lightning or switching transients
• Automotive electronics systems needing compliance with strict surge immunity standards
• Telecommunications infrastructure power inputs subject to line disturbances

Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when ordering. Confirm that the MP grade meets your required operating temperature and reliability specifications. Ensure the external MOSFET selection aligns with the controller's drive capabilities and voltage ratings. Check for any recent product change notices regarding package or material updates.

Selection Notes

Select this component when designing systems exposed to high-energy input transients where standard TVS diodes are insufficient. The adjustable output allows optimization for various load requirements. Consider the thermal performance of the MSOP-EP package and ensure adequate PCB copper area for heat dissipation. Validate external component choices against the official datasheet recommendations for stability and protection thresholds.

Part Context

This part belongs to the LTC7860 family of surge stoppers designed for high-voltage input protection. It complements other Analog Devices power management solutions by providing front-end resilience. The MSOP-EP package offers a compact footprint suitable for space-constrained industrial and automotive boards while maintaining thermal efficiency.

Replacement Considerations

Public confirmed substitute part numbers: LTC7860EMSE#PBF, LTC7860IMSE#PBF, LTC7860HMSE#PBF.