LTC3307AIV#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3307AIV#TRPBF is a Silent Switcher synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates within an input voltage range of 2.25 V to 5.5 V and delivers up to 3 A of output current. The device features an adjustable output voltage from 500 mV to 5.5 V with a fixed switching frequency of 2 MHz. It utilizes a compact 12-LQFN (2 mm x 2 mm) package with exposed pad for surface mount installation. The component supports a shutdown function and maintains a typical quiescent current of 40 uA. It is rated for operation across a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side MOSFETs with embedded compensation network for simplified design
• Employs patented Silent Switcher architecture to minimize radiated EMI without external filters
• Includes internal soft-start circuitry to limit inrush current during startup
• Features thermal regulation protection to reduce switching frequency under high thermal stress

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient power conversion
• Industrial control systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Embedded computing modules needing stable low-voltage rails for processors
• Telecommunications infrastructure powering baseband units from 3.7V nominal sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as TRPBF against official Analog Devices documentation to ensure correct packaging and lead-free compliance. Confirm that the LQFN-12 package dimensions match your PCB footprint requirements. Check for moisture sensitivity level ratings if reflow soldering processes are involved. Ensure the operating temperature range aligns with your specific environmental constraints before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting single-cell battery voltages to lower logic levels. The 2 MHz switching frequency allows for smaller passive components compared to lower frequency alternatives. Consider the 3 A current capability relative to your peak load demands. Evaluate the need for the integrated Silent Switcher technology if electromagnetic interference compliance is critical in your enclosure design.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LTC3307 family of Silent Switcher regulators designed for space-constrained applications. It integrates all necessary control loops and power stages into a minimal footprint. The series targets applications where board area is limited but high efficiency and low noise performance are mandatory. It serves as a direct replacement for discrete solutions or larger regulator packages in portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult Analog Devices technical support for verified cross-reference part numbers. Ensure any substitute matches the 12-LQFN pinout and thermal pad configuration. Verify that alternative devices support the same 2.25 V to 5.5 V input range and 3 A output current capability.