LTC1629IG#PBF

DC DC Switching Controllers Overview

The LTC1629IG#PBF is a synchronous step-down switching controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4V to 36V and supports output voltages from 1.26V to 2.5V. The device features a fixed switching frequency of 220kHz and includes integrated bootstrap diodes. Key electrical specifications include a maximum duty cycle of 99%, a shutdown supply current of 470µA, and operation across a temperature range of -40°C to +85°C. It is housed in a 28-lead SSOP package.

DC DC Switching Controllers Feature Summary

• Synchronous buck switching controller with integrated bootstrap diodes
• Fixed 220kHz switching frequency for optimized component size
• Wide input voltage range supporting 4V to 36V sources
• Shutdown mode capability for power conservation

DC DC Switching Controllers Applications

• High-current point-of-load regulation
• Industrial equipment power supplies
• Telecommunications infrastructure
• Battery-powered systems requiring efficient step-down conversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'IG#PBF' matches your design requirements, as it indicates lead-free RoHS compliance and tape-and-reel or tube packaging depending on the manufacturer's standard configuration. Confirm the operating temperature grade aligns with your environmental constraints. Cross-reference the datasheet revision to ensure pinout compatibility with existing layouts.

DC DC Switching Controllers Selection Notes

Select this component when designing non-isolated DC/DC converters requiring high efficiency at moderate frequencies. It is suitable for applications needing precise voltage regulation between 1.26V and 2.5V. Consider the external MOSFET selection carefully, as the controller drives external switches rather than integrating them internally. Ensure adequate thermal management for the associated power stage components.

DC DC Switching Controllers Part Context

This part belongs to the LTC1629 family of synchronous buck controllers designed for high-performance power management. It complements other Analog Devices PMIC solutions by offering a robust control loop for demanding industrial and commercial applications. The family includes variants with different output voltage ranges and switching frequencies to suit diverse system architectures.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate the LTC1629EG-6#PBF for similar functionality, noting potential differences in output voltage range or package type. Always verify electrical parameters and pin compatibility before substitution.