L4962/A

Voltage Regulators - DC DC Switching Regulators Overview

The L4962/A is a monolithic step-down switching regulator designed for high-efficiency power conversion. It operates with an input voltage range from 9 V to 46 V and provides an adjustable output voltage between 5.1 V and 40 V. The device delivers up to 1.5 A of continuous output current at a fixed switching frequency of 150 kHz. It features line regulation of 50 mV and load regulation of 20 mV, achieving typical efficiency of 90%. The component supports through-hole installation in a 16-pin PDIP package and functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient step-down voltage regulation
• Adjustable output voltage capability across a wide operational range
• High thermal stability supporting extended industrial temperature environments
• Robust line and load regulation ensuring stable power delivery

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supply systems requiring isolated or non-isolated DC-DC conversion
• Automotive electronics utilizing wide input voltage ranges
• Embedded control units needing regulated low-voltage rails from higher bus voltages
• Battery-powered equipment requiring efficient energy management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix variant against official STMicroelectronics documentation, as part numbers may include additional characters indicating package type or temperature grade. Confirm availability status directly with authorized distributors, as this component may be subject to lifecycle changes or limited stock conditions. Ensure that the ordering information matches the exact electrical specifications required for the target application design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when designing circuits that require a wide input voltage range up to 46 V and need an adjustable output up to 40 V. Consider the 1.5 A current limit and 150 kHz switching frequency for applications prioritizing efficiency over size. Evaluate the through-hole packaging requirements against PCB layout constraints. Ensure the thermal management solution supports operation at elevated ambient temperatures given the wide operating range.

Voltage Regulators - DC DC Switching Regulators Part Context

The L4962/A belongs to the L4962 series of switching regulators manufactured by STMicroelectronics. This series focuses on providing reliable step-down conversion solutions for demanding environments. The component is categorized under Power Management ICs (PMIC) and specifically serves as a switching voltage regulator. It complements other power management products by offering robust performance in industrial and automotive sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official STMicroelectronics cross-reference guides for verified substitute part numbers. Ensure any replacement maintains compatibility with the 9 V to 46 V input range and 1.5 A output current. Verify that the alternative component supports the same 150 kHz switching frequency and adjustable output voltage characteristics to preserve circuit functionality.