NCP553SQ30T1G

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

The NCP553SQ30T1G is a fixed-output CMOS low-dropout linear regulator manufactured by onsemi. It provides a stable 3 V output with a maximum load current of 80 mA. The device operates within an input voltage range of 4 V to 12 V and maintains a typical quiescent current of 28 µA. It features a maximum dropout voltage of 680 mV at full load, ensuring efficient performance under varying conditions. The regulator offers a line regulation of 4.5 mV/V and a load regulation of 0.8 mV/mA, with a voltage accuracy of 2%. Designed for surface-mount applications, it is housed in an SC-82-4 package and supports an operating temperature range from -40 °C to +85 °C.

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

• Ultra-low quiescent current consumption for extended battery life
• Integrated enable control pin for power management flexibility
• Capacitor-free stability design simplifies circuit layout
• Fixed 3 V output with high precision regulation

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

• Battery-powered portable electronic devices
• Wireless sensor nodes and IoT modules
• Microcontroller power supply rails
• Low-power communication interfaces

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

Verify the specific suffix T1G confirms the reel packaging format required for automated assembly processes. Ensure the SC-82-4 footprint matches the target PCB design constraints. Confirm RoHS compliance status aligns with regional environmental regulations. Cross-reference the datasheet revision date to ensure compatibility with latest thermal and electrical specifications before finalizing procurement orders.

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

Select this component when a fixed 3 V rail is required with minimal static current draw. The 80 mA output capability suits moderate load applications without requiring external pass transistors. The wide input voltage range accommodates single-cell lithium or alkaline battery configurations. Consider the SC-82-4 package size if board space is limited compared to larger SOT packages.

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

This part belongs to the NCP553 series of low-noise, low-quiescent-current LDO regulators. The series is designed for noise-sensitive analog and RF circuits where power efficiency is critical. The SQ variant indicates automotive-grade qualification standards, offering enhanced reliability for harsh environments compared to standard commercial grades.

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

The NCV553SQ30T1G serves as a direct functional substitute with identical electrical characteristics but extended industrial temperature ratings up to +125 °C. Verify package compatibility and pinout alignment during replacement to ensure seamless integration into existing designs.