SC4524DSETRT

Voltage Regulators - DC DC Switching Regulators Overview

The SC4524DSETRT is a Semtech Corporation adjustable frequency peak current mode step-down switching regulator. It features an integrated 30V, 2.3A switch and supports positive adjustable output voltages starting from 1V. The device operates with an input voltage range of 4.4V to 24V and delivers up to 2A output current. It utilizes an 8-SOIC package with an exposed pad for thermal management. The regulator includes shutdown functionality and operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-voltage 30V power switch capable of delivering 2.3A continuous current.
• Supports adjustable switching frequencies to optimize external component size and efficiency.
• Utilizes peak current mode control architecture for fast transient response and inherent cycle-by-cycle current limiting.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Power supply stages for embedded computing systems
• Battery-powered devices requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'D' against official Semtech documentation to confirm temperature grade and package variant accuracy. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure the ordering information matches the exact SOIC-8EP package dimensions required for your PCB layout. Cross-reference the manufacturer part number directly with the datasheet revision history to avoid discrepancies in electrical specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 30V rated internal switch is required for higher input voltage applications. The adjustable frequency feature allows designers to balance between electromagnetic interference filtering requirements and passive component footprint constraints. Verify that the 2A output current capability aligns with the maximum load demand of the target circuit while accounting for thermal dissipation limits in the SOIC-8 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SC452x series of buck regulators from Semtech, designed for general-purpose power management. The series offers various current ratings and voltage capabilities. The SC4524 specifically targets applications needing moderate current levels with high input voltage tolerance. It serves as a compact solution for replacing discrete MOSFET-based designs in space-constrained environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Semtech cross-reference lists for verified substitutes. Ensure any replacement maintains the 30V switch rating and 2A output capability. Verify pin compatibility if substituting within the same package family.