NCP81276MNTXG - onsemi

Manufacturer Part Number

NCP81276MNTXG

Manufacturer

onsemi

Introduction

The NCP81276MNTXG is a power management integrated circuit (PMIC) specifically designed for DC-DC switching controllers. It operates as a step-down (buck) controller that provides positive and negative output configuration.

Product Features and Performance

Buck topology with four outputs

Four output phases enhance stability and performance

Switching frequency ranges from 250kHz to 1.2MHz

Operates over a supply voltage range from 4.5V to 20V

I2C and PSI serial interfaces for enhanced connectivity and control

Control features include current limit, enable, frequency control, power good, ramp, soft start

Product Advantages

Multiple output phases for improved electrical performance

Wide range of input voltage accommodating various applications

Flexible control options through I2C and PSI interfaces

Integrated features for safe and stable operation

Key Technical Parameters

Output Type: PWM Signal

Voltage Supply (Vcc/Vdd): 4.5V ~ 20V

Frequency Switching: 250kHz ~ 1.2MHz

Operating Temperature: -10°C ~ 100°C (TA)

Package / Case: 40-VFQFN Exposed Pad

Quality and Safety Features

Built-in current limit and power good for secure operation

Soft start function to minimize inrush current impact

Thermal management with operating temperatures from -10°C to 100°C

Compatibility

Surface Mount mounting type ensures compatibility with modern PCB technologies

I2C and PSI interfaces compatible with standard communication protocols

Application Areas

Ideal for use in computing systems, servers, and networking equipment where precise power management is crucial

Product Lifecycle

Current product status: Active

No current information indicating nearing discontinuation; replacements or upgrades are available as needed

Several Key Reasons to Choose This Product

High efficiency with buck topology and multiple outputs

Enhanced control and connectivity with I2C and PSI interfaces

Robust protection features ensuring long-term reliability

Suitable for a wide range of advanced electronic applications

Reliable performance across a wide temperature and voltage range