onsemi NCP563SQ30T1

Overview

NCP563SQ30T1 from onsemi is a fixed-output, low-dropout linear voltage regulator delivering 3.0 V at up to 80 mA with ultra-low 2.5 µA quiescent current, housed in the SC82-AB (SC70-4) package. It integrates PMOS pass transistor, thermal shutdown, and current limiting for battery-powered portable electronics requiring stable, low-power biasing.

For engineers reviewing the NCP563SQ30T1 datasheet, pinout, applications, or equivalent options, key selection criteria include dropout voltage (200 mV @ 80 mA), ±2.0% output accuracy, −40 °C to +85 °C operating range, and compatibility with 0.1 µF ceramic output capacitors.

Technical Context

The NCP563SQ30T1 uses a PMOS pass transistor architecture enabling low dropout and eliminating external bypass capacitor requirements. Its internal reference, error amplifier, and protection circuits operate without enable control-unlike the NCP562 variant-making it a simplified, always-on LDO solution.

Designed for minimal board space, it achieves stability with 0.1 µF ceramic output capacitance and supports input voltages from 3.3 V to 6.0 V. The device exhibits 100 µV_RMS output noise (100 Hz–100 kHz) and ±100 ppm/°C temperature coefficient, ensuring precision under varying thermal conditions.

Key Specifications

Pinout & Package

Package: SC82-AB (SC70-4), 1.9 mm × 1.3 mm × 0.95 mm surface-mount package with Pb-free finish and moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar low-quiescent-current LDO regulator applications.

Compared with NCP563SQ30T1, MCP1700T-3002E/TT offers lower IQ but requires layout redesign due to 3-pin SOT-23 and higher dropout at 80 mA; TNIV563SQ30T1G provides identical regulation performance with certified automotive reliability-no design change needed beyond procurement path.

Availability

NCP563SQ30T1 is available at Aetrix Electronics and suitable for wearable health monitors, portable gas sensor modules, smart remote controls, industrial handheld scanners, and battery-backed real-time clock circuits requiring stable component supply and long-term lifecycle support.

Supply support for NCP563SQ30T1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics, with leadership in power management, analog, and sensing technologies.

The NCP563 series was designed specifically for ultra-low-power, space-constrained portable devices-emphasizing minimal quiescent current, small footprint, and ceramic-capacitor compatibility without sacrificing regulation accuracy or protection robustness.

FAQ

What is the maximum input voltage for NCP563SQ30T1?

The absolute maximum input voltage for NCP563SQ30T1 is 6.0 V, as specified in the Maximum Ratings table. Operation above this voltage risks permanent damage. For reliable long-term use, keep Vin ≤ 5.5 V under normal conditions to maintain margin against transients and ensure thermal safety within the 250 mW power dissipation limit at 25 °C ambient.

Does NCP563SQ30T1 have an enable pin?

No, NCP563SQ30T1 does not include an enable pin. Unlike the NCP562 variant, the NCP563 family omits the Enable function-pin 4 is designated N/C (no internal connection). The device operates continuously when valid input voltage is applied; external ON/OFF control requires switching the input rail or using a series FET.

What output capacitor value is required for stable operation of NCP563SQ30T1?

NCP563SQ30T1 requires a minimum 0.1 µF ceramic output capacitor for stability, as confirmed in the datasheet's Applications Information section. Larger values (e.g., 1.0 µF) improve load transient response and noise rejection but are not mandatory. TDK part numbers C1608X5R1A105K or C2012X5R1C105K are validated alternatives.

Is NCP563SQ30T1 RoHS compliant and lead-free?

Yes, NCP563SQ30T1 is RoHS compliant, Pb-free, halogen-free, and BFR-free, as explicitly stated in the Features section of the datasheet. The "G" suffix in alternate ordering codes (e.g., NCP563SQ30T1G) denotes Pb-free packaging, and the SC82-AB package carries the microdot or "G" marking per onsemi's Pb-Free indicator standard.

What is the dropout voltage of NCP563SQ30T1 at 80 mA load and room temperature?

The dropout voltage of NCP563SQ30T1 is 200 mV at 80 mA load and 25 °C, per the Electrical Characteristics table. This means the device maintains 3.0 V regulation as long as Vin ≥ 3.2 V. At −40 °C or +85 °C, dropout increases to 350 mV, so design margin must account for worst-case thermal conditions.