UC3702N

Overview

The UC3702N is a dual low-side MOSFET gate driver manufactured by Texas Instruments, designed for high-speed switching applications. It operates within a supply voltage range of 4.5 V to 8 V and supports an operating temperature range from -40°C to +125°C. The device features a peak output current of 175 mA and utilizes a 16-pin PDIP package. This component is classified as obsolete in the manufacturer's product line.

Feature Summary

• Dual low-side configuration for driving two external MOSFETs simultaneously
• High-speed switching capability with defined rise and fall times
• Wide operating temperature range suitable for industrial environments

Applications

• DC-DC converter circuits requiring isolated or non-isolated gate drive
• Motor control systems utilizing low-side switching topologies
• Power supply designs needing efficient MOSFET activation

Procurement Notes

Verify availability status carefully as this part is listed as obsolete. Confirm if the specific suffix matches your board requirements. Check for end-of-life notices from the manufacturer. Ensure alternative sources are validated for authenticity. Review datasheet revisions for any functional changes prior to integration.

Selection Notes

Select this component only if legacy compatibility is required due to existing design constraints. Evaluate the limited peak output current against load capacitance requirements. Consider thermal management within the specified temperature range. Assess the PDIP package suitability for the intended assembly process. Verify that the supply voltage range aligns with the system power rails.

Part Context

This device belongs to the UC370x series of gate drivers from Texas Instruments. It shares architectural similarities with other members like the UC3706N but differs in pin count and specific electrical characteristics. The series is designed for general-purpose power switching applications.

Replacement Considerations

• UC3706N
• UC3707N
• UC3709N