LTC1682CMS8-3.3#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC1682CMS8-3.3#TRPBF is a doubler charge pump switching regulator manufactured by Analog Devices Inc., designed for efficient voltage conversion in compact power management applications. This component operates with an input voltage range of 1.8 V to 4.4 V and provides a fixed output voltage of 3.3 V. It delivers a maximum output current of 50 mA through a single output channel. The device utilizes a boost topology with a typical switching frequency of 550 kHz, ensuring stable performance across various load conditions. Packaged in an 8-lead MSOP footprint, it supports surface-mount installation and functions within an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a doubler charge pump topology to efficiently step up input voltages while maintaining low external component counts.
• Features a linear LDO post-regulator stage that minimizes output noise and ripple for sensitive analog circuitry.
• Includes a shutdown pin to significantly reduce quiescent current consumption during inactive periods.
• Provides robust protection mechanisms against thermal overload and short-circuit conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring efficient voltage boosting from single-cell sources
• RF front-end modules needing clean, regulated power supplies with low noise profiles
• Embedded systems utilizing microcontrollers or sensors that operate on 3.3 V logic levels

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #TRPBF indicates reel packaging when sourcing components. Confirm the manufacturer part number matches exactly to ensure compatibility with design specifications. Check for RoHS compliance documentation as required by regional regulations. Validate supply chain authenticity through authorized distributors to avoid counterfeit risks. Review datasheet revisions for any recent updates to electrical characteristics or mechanical dimensions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for boosting low input voltages to 3.3 V with moderate current demands. Consider the 550 kHz switching frequency for balancing efficiency and EMI filtering requirements. Evaluate the MSOP-8 package size constraints against available PCB real estate. Ensure the input voltage range aligns with the source battery or rail characteristics. Assess the need for low output noise, which distinguishes this charge pump from standard switching regulators.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC1682 series of charge pump regulators, which are optimized for space-constrained designs. The CMS8 designation refers to the specific commercial temperature grade and MSOP-8 package variant. The -3.3 suffix denotes the fixed 3.3 V output version, distinguishing it from adjustable or other voltage variants within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LTC1682IMS8-3.3#PBF is a tube-packaged alternative offering identical electrical performance but different packaging format. DC249A-C serves as an evaluation board for the LTC1682 family rather than a direct replacement component.