LTC3831IGN#TRPBF

Special Purpose Regulators Overview

The LTC3831IGN#TRPBF is a high-power synchronous switching regulator controller designed for DDR memory termination applications. It operates with an input voltage range of 3 V to 8 V and supports output voltages from 1.25 V to 8 V. The device delivers up to 20 A of output current through a single output channel. It features an adjustable switching frequency between 100 kHz and 500 kHz. The quiescent supply current is 700 uA, and load regulation is specified at 2 mV. It functions within a temperature range of -40°C to +85°C and is housed in an SSOP-16 package.

Special Purpose Regulators Feature Summary

• Synchronous buck topology optimized for high-current DDR memory termination
• Integrated shutdown control capability for power management
• Adjustable switching frequency allows optimization for efficiency and transient response

Special Purpose Regulators Applications

• DDR memory termination power supplies
• High-power synchronous step-down conversion
• Point-of-load regulation for memory modules

Special Purpose Regulators Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with required operating temperatures and electrical parameters before procurement. Cross-reference manufacturer datasheets for any recent revisions or obsolescence notices.

Special Purpose Regulators Selection Notes

Select this component when designing power stages for DDR memory that require precise voltage regulation and high current delivery within a low input voltage window. Consider the SSOP-16 package constraints and thermal requirements for the target application environment.

Special Purpose Regulators Part Context

This controller belongs to the LTC3831-1 series of high-performance synchronous buck controllers. It is engineered specifically for demanding memory termination loads where fast transient response and tight regulation are critical. The series provides a robust solution for managing power in complex digital systems requiring dedicated memory rails.

Special Purpose Regulators Replacement Considerations

Consult official substitution guides for equivalent controllers within the same family or alternative parts offering similar electrical characteristics and pinout compatibility.