LTC3769HUF#PBF

DC DC Switching Controllers Overview

The LTC3769HUF#PBF is a synchronous boost and SEPIC controller from Analog Devices, housed in a 24-lead QFN package. It supports input voltages from 4.5V to 60V and delivers output voltages ranging from 2.3V to 60V with up to 5A output current. The device features a low quiescent current of 28µA and an adjustable switching frequency between 50kHz and 900kHz. Operating temperatures range from -55°C to +150°C.

DC DC Switching Controllers Feature Summary

• Synchronous rectification for high efficiency
• Integrated current mode control architecture
• Supports boost and SEPIC topologies
• Low standby current consumption

DC DC Switching Controllers Applications

• Industrial power supplies
• Battery-powered equipment
• Telecommunications systems
• Automotive electronics

DC DC Switching Controllers Procurement Notes

Verify the specific suffix HUF against official documentation to confirm temperature grade and packaging details. Confirm RoHS compliance status through manufacturer datasheets. Check availability as supply may be limited or subject to factory orders. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

DC DC Switching Controllers Selection Notes

Select this component when designing high-voltage boost or SEPIC converters requiring wide input ranges. The 60V rating accommodates various industrial and automotive bus voltages. Consider the 24-QFN package for compact designs. Verify that the external components support the maximum 5A output current and the desired switching frequency range for optimal performance.

DC DC Switching Controllers Part Context

This part belongs to the LTC3769 family of DC/DC controllers. It is designed for applications needing efficient power conversion from moderate to high voltage sources. The device integrates the necessary control logic for synchronous rectification, reducing external component count compared to asynchronous solutions.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible upgrades within the same series. Verify if newer revisions offer improved thermal performance or updated packaging options. Ensure any substitute maintains the 60V input/output capability and similar quiescent current characteristics.