LTC1438IG#PBF

DC DC Switching Controllers Overview

The LTC1438IG#PBF is a dual synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5V to 36V and supports a maximum switching frequency of 400kHz. The device features a phase-lockable fixed-frequency architecture and drives external N-channel power MOSFETs. It provides two positive output channels with adjustable voltage settings, housed in a 28-SSOP package. Key control characteristics include enable functionality, power-on reset, and soft-start capabilities.

DC DC Switching Controllers Feature Summary

• Dual synchronous buck topology for high efficiency
• Phase-lockable fixed-frequency operation
• Integrated power-on reset and soft-start

DC DC Switching Controllers Applications

• Industrial systems requiring dual regulated rails
• Telecommunications infrastructure power distribution
• Embedded computing platforms

DC DC Switching Controllers Procurement Notes

Verify the specific suffix against official documentation to confirm pinout and electrical specifications. Ensure the component meets RoHS3 compliance requirements for your assembly process. Confirm availability status as supply conditions may vary. Cross-reference the manufacturer part number with authorized distributor listings to ensure authenticity and traceability before procurement.

DC DC Switching Controllers Selection Notes

Select this controller when designing dual-output DC-DC converters requiring independent regulation from a single IC. It is suitable for applications needing low noise and high efficiency. Consider the external MOSFET selection based on the driver current capability. Evaluate thermal management requirements for the SSOP package under maximum load conditions.

DC DC Switching Controllers Part Context

This component belongs to the LTC1438 family of dual synchronous step-down regulators. It shares architectural similarities with the LTC1439 but differs in specific operating parameters and automotive qualification status. The IG suffix indicates industrial temperature range performance. The #PBF designation confirms lead-free packaging compliant with environmental directives.

DC DC Switching Controllers Replacement Considerations

LTC1438IG-ADJ#PBF serves as a direct functional substitute with adjustable output voltage configuration.