NCP3012DTBR2G

Product Overview

Category

NCP3012DTBR2G belongs to the category of voltage supervisors.

Use

This product is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage supervision range: 0.4V to 5.5V
• Low quiescent current: 1.5µA (typical)
• Adjustable reset threshold voltage
• Wide operating temperature range: -40°C to +125°C
• Small package size: SOT-23-5

Package and Quantity

The NCP3012DTBR2G is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply voltage range: 0.4V to 5.5V
• Reset threshold voltage options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Reset timeout period: 140ms (typical)
• Operating temperature range: -40°C to +125°C
• Quiescent current: 1.5µA (typical)

Pin Configuration

The NCP3012DTBR2G has a total of five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: VDD (Supply Voltage) Pin 3: MR (Manual Reset) Pin 4: RESET (Reset Output) Pin 5: NC (No Connection)

Functional Features

• Voltage monitoring: The NCP3012DTBR2G continuously monitors the input voltage and provides a reset signal when it falls below the programmed threshold.
• Manual reset: The MR pin allows for manual reset control, enabling the user to override the reset signal.
• Adjustable threshold: The reset threshold voltage can be adjusted to suit specific application requirements.
• Low power consumption: With a quiescent current of only 1.5µA, this device minimizes power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various electronic circuits.
• Adjustable reset threshold provides flexibility in voltage monitoring.
• Small package size enables space-saving designs.
• Low quiescent current ensures minimal power consumption.

Disadvantages

• Limited number of reset threshold voltage options may not cater to all specific voltage requirements.
• Lack of additional features such as hysteresis or watchdog timer.

Working Principles

The NCP3012DTBR2G operates by comparing the input voltage with the programmed threshold voltage. When the input voltage falls below the threshold, the reset output is activated, indicating a low voltage condition. The reset signal remains active until the input voltage rises above the threshold or a manual reset is triggered.

Application Field Plans

The NCP3012DTBR2G finds applications in various fields, including: 1. Power supply units 2. Battery-powered devices 3. Microcontrollers and microprocessors 4. Industrial automation systems 5. Automotive electronics

Alternative Models

Below are some alternative models that offer similar functionality to the NCP3012DTBR2G: 1. MAX823: Voltage supervisor with adjustable reset threshold and small package size. 2. TPS3839: Precision voltage supervisor with programmable reset delay and wide operating temperature range. 3. ADM6315: Microprocessor supervisory circuit with adjustable reset threshold and manual reset input.

These alternative models provide options for users seeking different specifications or additional features.

In conclusion, the NCP3012DTBR2G is a voltage supervisor with adjustable reset threshold, low power consumption, and a small package size. It finds applications in various fields and has alternative models available for different requirements.