LTC1771ES8#PBF

DC DC Switching Controllers Overview

The LTC1771ES8#PBF is a high-efficiency current mode step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 3.4 V to 4.2 V and provides a fixed output voltage of 3 V. The device supports an output current of up to 2 A while maintaining high efficiency under load. It features ultra-low quiescent current consumption of 10 uA, enabling effective regulation at no load conditions. The component utilizes a Buck topology and is housed in an 8-pin MSOP package.

DC DC Switching Controllers Feature Summary

• Implements current mode control architecture for high efficiency across varying loads
• Maintains low power consumption with minimal supply current during no-load operation
• Designed for compact applications using surface mount components

DC DC Switching Controllers Applications

• Low dropout single cell lithium-ion to 3V conversion circuits
• Battery charger systems utilizing NiCd or NiMH batteries
• Space-constrained portable electronics requiring efficient buck regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix ES8 against official datasheets to confirm pinout and thermal characteristics. Ensure compatibility with external MOSFETs and passive components for the intended 3.4-4.2V input range. Confirm RoHS compliance status through manufacturer documentation before integration into production designs.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring precise regulation from single-cell lithium-ion sources. The fixed 3V output simplifies design for compatible downstream loads. Evaluate thermal performance within the MSOP package for sustained 2A output currents. Consider the low quiescent current benefit for battery-operated devices requiring extended standby times.

DC DC Switching Controllers Part Context

The LTC1771 series comprises high-efficiency step-down DC/DC controllers designed for portable applications. The ES8 variant specifically denotes the 8-pin MSOP package configuration. This family focuses on minimizing board space while delivering robust performance for battery-powered systems requiring stable voltage regulation.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully when considering equivalent parts from other manufacturers.