LT1961EMS8E#PBF

Overview

The LT1961EMS8E#PBF is a step-up switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3V to 25V and provides a single adjustable output voltage ranging from 1.2V to 35V. The device delivers a continuous output current of 1.5A and functions at a fixed switching frequency of 1.25MHz. It is housed in an 8-lead MSOP package with an exposed pad and supports operation within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates a high-efficiency synchronous power switch for improved performance
• Supports external synchronization to reduce electromagnetic interference
• Includes programmable soft-start to limit inrush current during startup

Applications

• Portable instrumentation systems requiring efficient voltage boosting
• Battery-powered devices utilizing single-cell lithium-ion or alkaline sources
• Industrial control circuits needing stable regulated power rails

Procurement Notes

Verify the complete part number including the suffix against official Analog Devices documentation to ensure correct pinout and electrical specifications. Confirm RoHS compliance status and lead-free manufacturing details prior to integration into production designs.

Selection Notes

Select this component when designing boost converters requiring up to 1.5A load current from low-voltage sources. Ensure the chosen inductor and output capacitor values support the required ripple specifications and stability requirements for the target application voltage.

Part Context

This part belongs to the LT1961 series of monolithic step-down and step-up regulators. It shares the MSOP-8EP package form factor with other Analog Devices power management ICs, facilitating compact PCB layouts for space-constrained electronic designs.

Replacement Considerations

LT1961IMS8E#PBF