NCP163AMX180TBG

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

The NCP163AMX180TBG is a fixed-output ultra-low noise LDO regulator from onsemi, providing a stable 1.8 V output at up to 250 mA. It operates within an input voltage range of 2.2 V to 5.5 V and features ±2% accuracy over load and temperature. Key electrical characteristics include a typical quiescent current of 12 µA, dropout voltage of 180 mV at full load, and ultra-high PSRR of 92 dB at 1 kHz. The device incorporates active discharge, soft-start, and thermal shutdown protection.

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

• Ultra-low noise performance optimized for RF and sensitive analog circuits
• High power supply rejection ratio (PSRR) across wide frequency ranges
• Integrated enable logic with active output discharge capability
• Comprehensive protection including current limit, thermal shutdown, and soft-start

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

• Battery-powered equipment requiring low quiescent current
• Wireless LAN devices and smartphones
• Cameras, DVRs, set-top boxes, and camcorders

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

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type, shipping quantity, and feature options such as active discharge or slew rate. Ensure compatibility with required PCB layout guidelines for ceramic capacitors to maintain stability and optimal transient response.

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

Select this component for applications demanding high PSRR and minimal output noise in compact form factors. Consider the XDFN4 package for space-constrained designs while ensuring adequate copper area for thermal dissipation. Verify that the input voltage remains within the specified operating range to prevent instability or excessive dropout.

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

This part belongs to the NCP163 family of next-generation LDO regulators designed for RF and analog circuit requirements. The series offers multiple fixed voltage options and packaging variants, including WLCSP4, XDFN4, and SOT23-5L, allowing flexibility in board design while maintaining consistent electrical performance characteristics.

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

Direct substitutes within the same family include other NCP163 variants with different output voltages or packages, such as NCP163AMX250TBG or NCP163AFCS180T2G. Cross-family replacements require verification of pinout compatibility, electrical specifications, and thermal performance.