LTC1436AIGN-PLL#PBF

DC DC Switching Controllers Overview

The LTC1436AIGN-PLL#PBF is a high-efficiency, low-noise synchronous buck switching regulator controller from Analog Devices Inc. Designed for demanding applications, it features a fixed 138kHz switching frequency that can be synchronized to an external clock or modulated to reduce EMI. The device operates with an input voltage range of 3.5V to 30V and provides a positive output via a single channel. It utilizes a 24-SSOP package and supports duty cycles up to 99%. Key control features include enable, power-on reset, and soft-start capabilities, ensuring reliable operation across a temperature range of -40°C to 85°C.

DC DC Switching Controllers Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Switching frequency synchronization and modulation for EMI reduction
• Integrated soft-start and power-on reset functions

DC DC Switching Controllers Applications

• Mobile Pentium processor core voltage regulation
• General-purpose dual-output DC/DC conversion platforms
• Industrial distributed power systems

DC DC Switching Controllers Procurement Notes

Verify the exact part number suffix, specifically '#PBF', to ensure compliance with RoHS standards and lead-free manufacturing requirements. Confirm package integrity upon receipt, as the 24-SSOP form factor requires careful handling during surface mount assembly. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics against your specific design constraints before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing step-down converters requiring precise frequency control to mitigate electromagnetic interference in sensitive environments. The integrated synchronous rectifier makes it suitable for applications prioritizing high efficiency over a wide load range. Ensure the external clock source matches the required synchronization parameters if jitter reduction is critical for the system performance.

DC DC Switching Controllers Part Context

This part belongs to the LTC1436 family of high-performance synchronous buck controllers. It shares functional similarities with variants like the LTC1436CGN-PLL but differs in specific package and thermal ratings. The 'A' designation typically indicates an extended temperature grade, while the 'IGN' suffix specifies the 24-SSOP package type used for compact circuit board layouts.

DC DC Switching Controllers Replacement Considerations

The LTC1436AIGN-PLL#PBF is listed as a direct substitute for the discontinued LTC1436AIGN-PLL. Both parts share identical pinouts and electrical specifications, allowing for drop-in replacement in existing designs without circuit modification.