NCP161AMX350TBG - onsemi

Manufacturer Part Number

NCP161AMX350TBG

Manufacturer

onsemi

Introduction

The NCP161AMX350TBG is a fixed output, low dropout (LDO) linear voltage regulator optimized for power management. It operates effectively within an input voltage range up to 5.5V and outputs 3.5V.

Product Features and Performance

Fixed Output Configuration

Single Regulator

Low Dropout Voltage of 0.255V at 450mA load

High output current of 450mA

Low quiescent current of 23 µA

Excellent PSRR of 91dB at 100Hz decreasing to 48dB at 100kHz

Integrated features like Enable control, Over Current, Over Temperature, and Soft Start

Product Advantages

High-efficiency with low dropout voltage

Robust Power Supply Rejection Ratio ensures stable operation

Compact 4-XDFN Exposed Pad package

Low power consumption with minimal quiescent current

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.5V

Current Output: 450mA

Dropout Voltage: 0.255V at 450mA

Quiescent Current (Iq): 23 µA

PSRR: 91dB ~ 48dB (100Hz ~ 100kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Soft Start feature to prevent power surge

Compatibility

Surface Mount Device

Package/Case: 4-XDFN Exposed Pad, Supplier Device Package: 4-XDFN (1x1)

Application Areas

Ideal for battery-powered devices

Suitable for microprocessor/microcontroller power supplies

Electronic devices requiring stable and efficient voltage regulation

Product Lifecycle

Status: Obsolete

Contact manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Provides stable 3.5V output from up to 5.5V input with minimal dropout

High output current capability of 450mA suitable for various applications

Excellent noise performance with high PSRR ratings

Low quiescent current enhances battery life in portable applications

Built-in safety features enhance device longevity and reliability

Compact and efficient package suitable for space-constrained applications