company blog about ON NCV4269AD133R2G 150mA 45V Precision Micropower LDO Linear Regulator

ON NCV4269AD133R2G 150mA 45V Precision Micropower LDO Linear Regulator

In today's rapidly advancing electronics industry, the performance of power management chips directly impacts the stability and energy efficiency of entire electronic systems. Shenzhen Mingjiada Electronics Co., Ltd., as a globally renowned distributor of electronic components, specialises in supplying ON's NCV4269AD133R2G precision micro-power LDO linear regulator.

This high-performance 150mA, 45V LDO regulator, with its outstanding electrical characteristics and broad application adaptability, is emerging as an ideal choice for numerous automotive electronics and industrial application designs.

NCV4269AD133R2G Product Overview:

The NCV4269AD133R2G is a 5.0V precision micropower regulator delivering up to 150mA output current.

Output voltage accuracy is ±2.0%, with a maximum voltage drop of 0.5V at a 100mA load. Its quiescent current is exceptionally low, requiring only 240µA (at a 1.0mA load). The NCV4269AD133R2G is suitable for various battery-powered microprocessor devices.

The NCV4269AD133R2G features a wide input voltage range from 4.4V to 45V, delivering a stable 3.3V output with a maximum current of 150mA.

Its low dropout voltage of 250mV ensures stable operation even when the input voltage approaches the output voltage, significantly enhancing power system efficiency.

The NCV4269AD133R2G belongs to an automotive-grade product series, conforming to the AEC-Q100 standard and suitable for demanding automotive electronic environments.

Operating within a temperature range from -40°C to 150°C, the NCV4269AD133R2G addresses extreme environmental temperature challenges.

Key performance parameters of the NCV4269AD133R2G:

The performance parameters of the NCV4269AD133R2G demonstrate its exceptional suitability for automotive electronics applications:

Input voltage range: 4.4V - 45V

Output voltage: Fixed 3.3V output

Output current: 150mA

Quiescent current: 250μA (typical), 190μA (typical)

Dropout Voltage: 250mV (typical), 500mV (maximum)

Line Regulation: 10mV

Load Regulation: 10mV

Voltage Accuracy: ±2%

This device achieves a maximum dropout voltage of just 0.5V at 150mA output current, effectively enhancing power conversion efficiency.

Its ultra-low quiescent current of 250μA makes it ideal for automotive applications requiring constant power supply, such as body control modules, contributing to reduced overall system power consumption.

NCV4269AD133R2G Technical Advantages:

The NCV4269AD133R2G incorporates multiple advanced technologies, setting it apart from numerous LDO regulators.

This device features multiple protection functions, including overtemperature protection, reverse polarity protection, and short-circuit protection, significantly enhancing system reliability and stability.

Its quiescent current of just 250μA and typical dropout voltage of 250mV@150mA achieve an excellent balance between energy efficiency and performance.

The regulator's high power supply rejection ratio (PSRR) effectively filters noise from the input power supply, delivering a clean power source for sensitive analogue circuits.

Housed in a standard SOIC-8 package, it facilitates soldering and maintenance while offering favourable thermal performance, making it suitable for space-constrained applications.

Structure and Functional Features of the NCV4269AD133R2G:

The NCV4269AD133R2G transcends conventional LDO regulators by integrating multiple advanced functionalities, delivering outstanding performance in automotive power management.

This device incorporates an active reset output circuit with an adjustable reset threshold, which sends a reset signal to the microprocessor when the output voltage deviates from specification.

Its SI/SO monitor function provides early warning to the microprocessor before a reset occurs, allowing sufficient time for critical data processing tasks to complete.

Regarding protection capabilities, the NCV4269AD133R2G incorporates comprehensive fault protection mechanisms, including overtemperature protection, reverse polarity protection, and short-circuit protection.

It can withstand peak transient voltages of 60V and reverse voltages of -40V, which are critical in automotive power supply environments.

The device also integrates pull-up resistors at the logic outputs, simplifying system design.

Application Domains of the NCV4269AD133R2G:

The robust performance of the NCV4269AD133R2G enables its vital role across multiple sectors:

Within automotive electronics, this device finds extensive application in 24V body ECUs and throttle control systems for trucks and agricultural vehicles.

Its compliance with the AEC-Q100 standard renders it directly suitable for diverse in-vehicle power management scenarios.

Within industrial control systems, the NCV4269AD133R2G delivers stable, reliable power to PLC control chips, sensor interfaces, and diverse microcontrollers.

This LDO also plays a vital role in applications spanning communications equipment, consumer electronics, and medical devices.