L4960H

Voltage Regulators - DC DC Switching Regulators Overview

The L4960H is a monolithic power switching regulator delivering 2.5A output current in a step-down configuration. It provides an adjustable output voltage range from 5.1V to 40V with a precise on-chip reference accuracy of ±2%. The device supports high switching frequencies up to 150kHz, enabling efficient operation and reduced external component size. Key electrical parameters include a maximum input voltage of 46V and a minimum input voltage of 9V. It features line regulation of 50mV and load regulation of 330mV. The unit operates within a temperature range of -40°C to +150°C and utilizes a HEPTAWATT V through-hole package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates current limiting, soft start, and thermal shutdown protection for robust continuous operation.
• Supports 0 to 100% duty cycle for flexible control in various power supply designs.
• Requires very few external components due to integrated switching regulator architecture.

Voltage Regulators - DC DC Switching Regulators Applications

• Step-down DC-DC power conversion systems
• Industrial power supply modules
• Embedded system voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official STMicroelectronics documentation to confirm pinout compatibility and thermal characteristics. Ensure the selected variant matches the required operating temperature range and package dimensions for your PCB layout. Cross-reference the datasheet revision date to confirm feature availability and electrical parameter tolerances before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing non-isolated buck converters requiring up to 2.5A output current. Consider the HEPTAWATT V package for adequate thermal dissipation in through-hole applications. Evaluate the 150kHz switching frequency against electromagnetic interference requirements and filter component sizing constraints for the target application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

The L4960H belongs to the L4960 family of power switching regulators manufactured by STMicroelectronics. This series is designed for high-efficiency step-down applications, offering a balance between performance and simplicity. The family emphasizes minimal external component count while maintaining precise voltage regulation and comprehensive protection mechanisms for reliable industrial and commercial use.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.