LM27342QMY/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM27342QMY/NOPB is a wide input range synchronous buck regulator from Texas Instruments, designed for high-efficiency power conversion. It delivers an output current of 2 A with an adjustable output voltage ranging from 1 V to 18 V. The device operates within an input voltage window of 3 V to 20 V and supports a fixed switching frequency of 2 MHz. It features a low quiescent current of 2.4 mA and includes frequency synchronization capabilities. The component is housed in a 10-pin HVSSOP package with a PowerPad and functions reliably across an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency in step-down applications
• Frequency synchronization capability allows alignment with external clock sources to minimize system noise
• Wide input voltage range accommodates various supply rails including single-cell lithium-ion batteries
• Automotive qualification ensures reliability under stringent environmental conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for automotive infotainment and instrument clusters
• Power distribution networks in industrial control systems
• Voltage translation for embedded processors and memory modules
• Battery-powered equipment requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the QMY suffix indicates automotive-grade qualification and HVSSOP-10 packaging. Confirm RoHS compliance and lead times directly with authorized distributors. Ensure ESD handling protocols are followed during storage and assembly due to moisture sensitivity classification.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2 A output current is required alongside frequency synchronization for noise management. Compare against the LM27342MY variant if automotive qualification is not mandatory. Evaluate thermal performance requirements based on the HVSSOP-10 package thermal resistance and expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2734x family of wide input range buck regulators. It shares architectural similarities with the LM27341 but offers higher current capacity. The family targets applications needing compact solutions with flexible input ranges and synchronized operation capabilities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM27342MY/NOPB serves as a non-automotive equivalent with identical electrical specifications but different qualification standards.