LTC3802EGN#PBF

DC DC Switching Controllers Overview

The LTC3802EGN#PBF is a synchronous step-down DC/DC switching controller manufactured by Analog Devices Inc. It operates within an input voltage range of 3V to 30V and supports a switching frequency between 330kHz and 750kHz. The device features two positive outputs with a maximum duty cycle of 0.89. Packaged in a 28-SSOP housing, it functions as a transistor driver for external power stages. The component is rated for operation across a temperature range of -40°C to +85°C and includes integrated protection features such as current limiting and soft start.

DC DC Switching Controllers Feature Summary

• Synchronous buck topology with dual output channels
• Adjustable switching frequency from 330kHz to 750kHz
• Integrated control features including current limit, enable, power good, and soft start

DC DC Switching Controllers Applications

• Point-of-load regulation in distributed power systems
• Battery-powered digital devices requiring efficient step-down conversion
• Industrial equipment power management

DC DC Switching Controllers Procurement Notes

Verify the specific package variant and manufacturer documentation prior to ordering. Confirm that the 28-SSOP form factor aligns with the target PCB footprint. Ensure the selected supplier provides valid traceability records and RoHS compliance certificates matching the #PBF designation. Cross-reference the datasheet revision to confirm feature availability.

DC DC Switching Controllers Selection Notes

Select this controller when designing synchronous step-down converters requiring dual independent outputs. The wide input voltage range accommodates various supply rails. Consider the adjustable frequency range to optimize efficiency versus EMI requirements. Ensure external MOSFETs are compatible with the gate drive capabilities and thermal dissipation needs of the application.

DC DC Switching Controllers Part Context

This component belongs to the LTC3802 series of high-performance synchronous buck controllers. It is designed to drive all N-channel synchronous power MOSFET stages. The device utilizes a constant frequency current mode architecture to minimize power loss and noise. It is part of Analog Devices' portfolio of power management integrated circuits focused on efficient voltage regulation.

DC DC Switching Controllers FAQ

What is the maximum duty cycle of the LTC3802EGN#PBF?

The maximum duty cycle is 0.89.

Does the LTC3802 support clock synchronization?

No, the device does not support clock synchronization.