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NCP303LSN27T1G

Name: NCP303LSN27T1G
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL 5TSOP

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パッケージ TSOP-5
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仕様

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Obsolete
Type	Simple Reset/Power-On Reset
NumberofVoltagesMonitored	1
Voltage-Threshold	2.7V
Output	Open Drain or Open Collector
Reset	Active Low
ResetTimeout	Adjustable/Selectable
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	SOT-23-5 Thin, TSOT-23-5

概要

Description

The NCP303LSN27T1G is a voltage detector IC (integrated circuit) from ON Semiconductor. It is designed to monitor system voltages and provide a reset signal to ensure stable operation in electronic systems. The device typically features a low-power consumption design, making it suitable for battery-powered applications.
Key specifications include a precise voltage threshold, typically around 2.7V, which ensures that the system is reset when the supply voltage drops below this critical level. The NCP303LSN27T1G comes with a built-in delay circuit, which prevents false triggering due to transient voltage drops. It operates in a wide temperature range and is commonly available in a compact SOT-23 package.
This IC is particularly useful in microcontroller-based systems, ensuring that the microcontroller is reset to a known state upon power-up or when the supply voltage is unstable. Its small size and low power requirements make it ideal for portable and space-constrained applications.

Features

The NCP303LSN27T1G is a voltage detector from ON Semiconductor. It features low current consumption, typically around 0.5 µA, making it energy-efficient for battery-powered applications. The device monitors system voltages and generates a reset signal when the voltage drops below a specified threshold. This model has a threshold voltage of 2.7V.
Key features include:
1. Precision Voltage Detection: Provides accurate monitoring with a tight threshold voltage tolerance.
2. Manual Reset Option: Allows external reset control.
3. Wide Operating Temperature Range: Functions effectively from -40°C to +85°C.
4. Compact Package: Available in a small, space-saving SC-82AB package.
5. Push-Pull Output: Facilitates direct interfacing with microcontrollers.
6. RoHS Compliance: Meets environmental standards for hazardous substances.
These features make the NCP303LSN27T1G suitable for applications requiring reliable voltage monitoring, such as microcontroller reset circuits, battery-powered devices, and portable electronics.

Package

The NCP303LSN27T1G is typically available in a SC-70 package, which is a small, surface-mount package designed for low-power and compact applications. This package type is suitable for space-constrained designs and is commonly used in portable and battery-powered devices.

Pinout

The NCP303LSN27T1G is a voltage detector with a 3-pin configuration. Its primary function is to monitor the voltage level in a circuit and generate a reset signal when the voltage drops below a specified threshold. This feature is essential for ensuring that microcontrollers and other digital circuits operate correctly by preventing them from functioning under insufficient voltage conditions, which could lead to erratic behavior or data corruption.
The typical pin assignments are as follows:
1. VCC (Input Voltage Pin): This pin connects to the monitored voltage line.
2. GND (Ground Pin): This pin connects to the ground of the circuit.
3. RESET (Output Pin): This pin provides the reset signal, which is active low, indicating that the monitored voltage is below the threshold.
These pins allow the device to effectively monitor the voltage and issue a reset to the connected components when necessary.

Manufacturer

The NCP303LSN27T1G is manufactured by ON Semiconductor, a company now known as onsemi. Onsemi is a leading supplier of semiconductor-based solutions, focusing on energy-efficient electronics. The company provides a wide range of products, including power management, analog, sensors, logic, timing, connectivity, discrete, SoC, and custom devices. Onsemi serves various markets, such as automotive, industrial, cloud power, and Internet of Things (IoT). It is known for its commitment to delivering innovative and reliable solutions that contribute to a sustainable future.

Application

The NCP303LSN27T1G is a low-voltage supervisor from ON Semiconductor, primarily used in applications requiring precise voltage monitoring and reset functions. Typical areas include microcontroller and microprocessor-based systems, battery-operated devices, portable electronics, and consumer electronics. It ensures system reliability by monitoring the supply voltage and providing a reset signal during power-up, power-down, or brownout conditions.

Equivalent

The NCP303LSN27T1G is a voltage detector by ON Semiconductor. Equivalent products include:
1. MAX809 Series from Maxim Integrated (e.g., MAX809S).
2. MCP130 Series from Microchip Technology (e.g., MCP130T).
3. STM1061 Series from STMicroelectronics (e.g., STM1061N).
4. TC54 Series from Microchip Technology (e.g., TC54VN).
Ensure compatibility in terms of voltage threshold, reset delay, and package type when selecting an alternative.