LTC3862EGN-1

DC DC Switching Controllers Overview

The LTC3862EGN-1#PBF is a multi-phase current mode boost DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 8.5 V to 36 V and supports Boost and SEPIC topologies. The device features a fixed switching frequency of 300 kHz and maintains a load regulation of -2%. It functions with a supply voltage of 4 V to 36 V and draws 1.8 mA of operating supply current. The component is housed in a 24-pin SSOP package and is rated for operation between -40°C and +85°C.

DC DC Switching Controllers Feature Summary

• Supports multi-phase operation for high-current applications using constant frequency current mode control.
• Capable of driving external N-channel power MOSFETs for synchronous rectification or standard boost configurations.
• Includes integrated soft-start functionality to limit inrush current during startup sequences.

DC DC Switching Controllers Applications

• High-efficiency DC/DC step-up converters for industrial systems
• Power supplies for automotive electronics requiring wide input ranges
• Battery-powered equipment needing voltage boosting from lower cell voltages

DC DC Switching Controllers Procurement Notes

Verify the specific suffix (EGN-1) against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Confirm RoHS compliance status directly with the supplier, as regulatory details may vary by production batch. Ensure the SSOP-24 package dimensions align with your PCB footprint constraints before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller when designing multi-phase boost converters requiring precise current sharing and high efficiency. It is suitable for applications demanding a wide input voltage range up to 36 V. Consider the thermal performance of the SSOP-24 package relative to your expected power dissipation levels. Evaluate the need for external components such as bootstrap capacitors and gate drive resistors to optimize switching performance.

DC DC Switching Controllers Part Context

This component belongs to the LTC3862 family of multi-phase controllers designed for high-performance power management. It complements other variants like the LTC3862EFE-1#PBF, which utilizes a TSSOP-EP package. The EG series specifically denotes the SSOP packaging option, offering a compact solution for space-constrained designs while maintaining the core multi-phase control capabilities of the family.

DC DC Switching Controllers Replacement Considerations

The LTC3862EFE-1#PBF serves as a functional alternative with identical electrical characteristics but utilizes a TSSOP-EP-24 package instead of SSOP-24. Verify that the physical footprint and thermal pad requirements of the replacement package are compatible with your existing PCB layout before substitution.

DC DC Switching Controllers FAQ

Does the LTC3862EGN-1 support synchronous rectification?

Yes, the controller is designed to drive external N-channel MOSFETs, enabling synchronous rectification in boost converter topologies to improve efficiency.

What is the maximum input voltage for this device?

The maximum supported input voltage is 36 V, allowing it to operate from various battery configurations and unregulated power sources.