LTC3633AIFE-3#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3633AIFE-3#TRPBF is a dual-channel monolithic synchronous step-down regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6V to 20V and provides two adjustable positive outputs ranging from 1.5V to 12V. Each channel supports a continuous output current of 3A. The device utilizes a controlled on-time, current-mode architecture with a switchable frequency between 500kHz and 4MHz. It features a 28-TSSOP-EP package and includes shutdown functionality.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel synchronous buck topology for independent power rail generation
• Current-mode control architecture with phase-lockable switching frequency
• Integrated low-side MOSFETs for high efficiency operation
• Adjustable output voltage via external resistor network

Voltage Regulators - DC DC Switching Regulators Applications

• Portable equipment requiring multiple regulated voltage rails
• Industrial control systems with single-supply inputs
• Embedded systems utilizing 12V or 24V bus architectures
• Battery-powered devices needing efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix #TRPBF confirms tape-and-reel packaging rather than tube. Confirm the specific grade matches project requirements. Check manufacturer documentation for RoHS compliance status. Ensure ESD handling protocols are followed during assembly. Validate pinout compatibility with target PCB footprint.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual isolated rails are required from a single input source. Consider the 3A per channel capability for moderate load applications. Evaluate thermal performance in the TSSOP-EP package for the expected ambient conditions. Compare against single-channel alternatives if only one rail is necessary. Verify frequency synchronization needs for noise-sensitive designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3633A family of high-efficiency synchronous regulators. It complements other Analog Devices PMIC solutions for complex power management tasks. The device integrates power switches and control logic into a compact form factor. It serves as a core component in multi-rail power distribution networks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LTC3633AIFE-3#PBF offers identical electrical specifications but uses tube packaging instead of tape-and-reel.