LTC3632EDD#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3632EDD#PBF is a high-efficiency, high-voltage synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 50 V and provides a single adjustable output from 800 mV to 50 V at up to 20 mA. The device features a typical quiescent current of 12 µA while maintaining regulation. It utilizes a DFN-8 surface-mount package and supports an adjustable switching frequency. The component functions within a temperature range of -40°C to +125°C and includes internal high-side and synchronous power switches.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal high-side and synchronous power switches for efficient step-down conversion
• Maintains output voltage regulation with ultra-low typical DC supply current of 12 µA at no load
• Supports adjustable switching frequency for flexible design optimization
• Features peak current mode control architecture

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring low standby current
• Industrial control circuits with wide input voltage ranges
• Portable instrumentation powered by high-voltage sources
• Embedded systems needing isolated or regulated low-current rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence before procurement. Confirm the DFN-8 package variant matches your PCB footprint requirements. Ensure the supplier provides valid traceability documentation. Check for any recent Product Change Notifications (PCNs) regarding material or manufacturing site changes that may affect compatibility.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 50 V is required alongside minimal quiescent current consumption. The 20 mA output capability suits low-power applications where efficiency is critical. Consider the DFN-8 package for space-constrained designs. Verify that the adjustable output voltage range meets the specific load requirements of the target circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

The LTC3632 belongs to Analog Devices' family of high-voltage synchronous buck converters designed for efficiency in demanding environments. This series emphasizes low no-load power consumption while supporting broad input voltage spans. The EDD variant specifically denotes the DFN-8 package configuration, distinguishing it from MSOP or other form factors within the same electrical specification set.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts from the LTC3632 family such as the LTC3632EMS8E#PBF (MSOP-8 package) or LTC3632IMS8E#PBF. Cross-referencing pinouts and thermal characteristics is essential when substituting between different package types within the same functional family.