LT1176CN8#PBF

Overview

The LT1176CN8#PBF is a step-down and flyback switching regulator IC manufactured by Analog Devices Inc. It operates with an input voltage range of 8V to 35V and provides an adjustable output voltage from 2.21V to 31.5V. The device supports a maximum switch current of 1.2A and functions at a fixed switching frequency of 100kHz. It features positive or negative output configuration in an 8-pin PDIP package.

Feature Summary

• Supports buck, flyback, boost, and buck-boost topologies for versatile power conversion
• Provides adjustable output voltage capability for custom design requirements
• Enables both positive and negative output configurations

Applications

• General-purpose DC-DC power supply designs
• Industrial control systems requiring isolated or non-isolated regulation
• Embedded systems needing flexible voltage rails

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS 3 status before procurement. Confirm the 8-PDIP package dimensions match the target PCB footprint. Ensure the operating temperature range of 0°C to 70°C aligns with the environmental conditions of the final assembly. Cross-reference the datasheet revision to confirm pinout consistency.

Selection Notes

Select this component when a single IC must support multiple converter topologies including buck and flyback. It is suitable for applications requiring adjustable output voltages up to 31.5V with moderate current demands. Consider the through-hole packaging if prototyping or low-volume production requires manual assembly capabilities.

Part Context

This part belongs to the LT1176 family of switching regulators designed for high-efficiency power conversion. It integrates the control logic and power switch into a single monolithic chip. The CN8 suffix denotes the commercial temperature grade and PDIP package style.

Replacement Considerations

LT1176CN8#TRPBF: Same functional specifications but supplied in tape and reel packaging instead of tubes.