HMC976LP3ETR

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The HMC976LP3ETR is a single-output, positive-adjustable linear voltage regulator manufactured by Analog Devices Inc. It delivers a maximum output current of 400 mA with an adjustable voltage range spanning from 1.8 V to 5.1 V. The device operates within an input voltage window of 3.3 V to 5.5 V and maintains a typical quiescent current of 1.5 mA. Key electrical specifications include a load regulation of 0.01 %/mA and a power dissipation rating of 780 mW. It functions reliably across an operating temperature range of -40°C to +85°C and utilizes a 16-lead QFN package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides low noise performance with high power supply rejection ratio (PSRR) capabilities for sensitive analog circuits.
• Features an adjustable output voltage configuration allowing precise power rail customization.
• Includes integrated thermal protection to safeguard the device during overload conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• RF front-end module biasing
• Low noise amplifier power supplies
• Precision sensor signal conditioning

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and lead-free solder finish requirements against specific project standards. Validate that the 16-QFN package dimensions match existing PCB footprints. Ensure thermal management design accounts for the 780 mW dissipation limit under worst-case load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when low noise and high PSRR are critical for RF or precision analog applications. The adjustable output allows flexibility in setting supply voltages between 1.8 V and 5.1 V. Consider the 400 mA current capability and 1.5 mA quiescent current for power efficiency requirements. The QFN-16 package suits space-constrained surface-mount designs requiring robust thermal performance.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the HMC976 series of linear voltage regulators designed for high-performance power management. It is part of Analog Devices' portfolio focused on providing clean power for sensitive radio frequency and communication systems. The LP3E suffix indicates the specific package and tape-and-reel configuration for automated assembly processes.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

LT3045EDD#TRPBF is listed as a similar replacement option by the manufacturer.