LD56020M180R

Overview

The LD56020M180R is a high-accuracy linear regulator from STMicroelectronics providing a fixed 1.8 V output with a guaranteed 200 mA load current. It operates within an input voltage range of 1.1 V to 5.5 V and features ultra-low dropout performance, reaching up to 190 mV at full load. The device maintains low quiescent current of 18 μA typical and ultra-low output noise of 8.8 μV RMS across the 10 Hz to 100 kHz bandwidth. It includes logic-controlled electronic shutdown for standby currents below 0.1 μA, thermal protection, and output active discharge.

Feature Summary

• Ultra-low dropout voltage ensures stable regulation even when input voltage approaches the output level.
• Logic-controlled enable pin allows precise power management with minimal standby consumption.
• Integrated thermal shutdown and short-circuit current foldback protect the device under fault conditions.
• Output active discharge function rapidly removes residual charge from the output capacitor upon shutdown.

Applications

• Smartphones and tablets
• Image sensors
• VCO and RF modules

Procurement Notes

Verify that the specific order code matches the required package type, as the LD56020 series is available in both SOT23-5L and Flip-Chip4 configurations. Confirm the suffix 'R' indicates tape and reel packaging. Ensure the selected variant aligns with the target output voltage and environmental operating temperature requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring a compact footprint and high precision. The LD56020M180R provides a fixed 1.8 V rail suitable for powering sensitive analog or RF circuits. Consider the Flip-Chip4 package for maximum space efficiency or SOT23-5L for standard surface-mount assembly. Verify that the external ceramic capacitors meet the recommended ESR and capacitance values for stability.

Part Context

The LD56020M180R belongs to the LD56020 family of low-input voltage, ultra-low noise LDO regulators designed by STMicroelectronics. This family targets battery-operated portable electronics where power efficiency and board space are critical constraints. The M-series designation specifically identifies the SOT23-5L package variant with a fixed 1.8 V output voltage.

Replacement Considerations

LD56020J180R (Flip-Chip4 package, 1.8 V)

FAQ

What is the minimum input voltage required for the LD56020M180R?

The device supports an operating input voltage range starting from 1.1 V.

How does the device handle overtemperature conditions?

The LD56020M180R includes internal thermal shutdown protection that activates at approximately 160 °C to prevent damage.