LT1161IN#PBF

Overview

The LT1161IN#PBF is a quad high-side MOSFET gate driver manufactured by Analog Devices Inc. It operates within a supply voltage range of 8 V to 48 V and supports input voltages up to 60 V. The device features four independent channels, each with a self-contained charge pump for N-channel enhancement without external components. It utilizes a PDIP-20 package for through-hole mounting. Key electrical parameters include a maximum idle time of 200 µs, a typical operating supply current of 4.5 mA, and an output voltage of 12 V. The component functions within a temperature range of 0°C to +70°C.

Feature Summary

• Four independent high-side switch channels with integrated self-contained charge pumps
• Integrated protection mechanisms for industrial switching applications
• Supports low-cost N-channel power MOSFETs in high-side configurations

Applications

• Industrial switching systems requiring isolated inputs
• High-side power control circuits
• Motor drive interfaces

Procurement Notes

Verify the specific suffix IN against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with system voltage limits and thermal requirements before integration. Cross-reference datasheet specifications for exact pinout and electrical characteristics.

Selection Notes

Select this component for applications requiring multiple isolated high-side drivers in a single package. Evaluate the PDIP-20 form factor for through-hole assembly needs. Confirm that the 48 V supply limit and 60 V input tolerance align with the target circuit design constraints.

Part Context

This part belongs to the LT1161 series of protected quad high-side MOSFET drivers. It enables cost-effective high-side switching using standard N-channel devices. The series is designed for robust industrial environments, offering integrated protection and independent channel operation.

Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may lack identical protection features or charge pump performance.