LTC3114HFE-1#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3114HFE-1#TRPBF is a synchronous buck-boost DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 2.2V to 40V and delivers up to 1A of continuous output current. The device features a fixed switching frequency of 1.2MHz and supports adjustable output voltages from 2.7V to 40V. Packaged in a TSSOP-16 footprint, it integrates low-resistance internal power switches to minimize solution size. The component includes a shutdown function and maintains a typical quiescent current of 50µA during operation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Proprietary four-switch PWM architecture enables seamless transition between buck, boost, and bypass modes without noise spikes or mode hunting.
• Integrated synchronous rectification provides high efficiency across wide input and output voltage differentials.
• Low quiescent current consumption ensures minimal power drain in standby or shutdown states.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring stable regulation as cell voltage depletes below or rises above the load requirement
• Industrial control modules operating from varying supply rails
• Automotive electronics managing fluctuating battery voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix HFE-1 against the official Analog Devices datasheet to confirm pinout compatibility and thermal characteristics. Ensure the TSSOP-16 package matches your PCB footprint requirements. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and traceability before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require regulation from sources where the input voltage may be higher, lower, or equal to the desired output. The 1A current rating suits moderate power applications. Consider the 1.2MHz switching frequency for balancing component size and electromagnetic interference. Verify that the required output voltage falls within the 2.7V to 40V adjustable range supported by the device.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3114 family of synchronous buck-boost converters. It shares architectural similarities with other members like the LTC3114EFE-1 but differs in packaging and specific electrical tolerances defined by the HFE-1 designation. The family is designed for applications demanding high efficiency and compact solutions in power management scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the LTC3114EFE-1#PBF and LTC3114EDHC-1#TRPBF. Verify package compatibility (TSSOP-16 vs DFN) and ensure the alternative part meets the same 40V input and 1A output specifications. Check for identical pinouts to avoid redesigning the PCB layout.

Voltage Regulators - DC DC Switching Regulators FAQ

How does the LTC3114 handle transitions when input voltage equals output voltage?

It utilizes a proprietary four-switch PWM architecture to provide seamless low-noise operation in bypass mode without mode hunting or output voltage spikes.

What is the maximum input voltage supported by this converter?

The device supports a maximum input voltage of 40V.