LP3470M5X-2.63

Overview

Product Category

LP3470M5X-2.63 belongs to the category of integrated circuits (ICs).

Use

The LP3470M5X-2.63 IC is commonly used as a voltage supervisor or reset circuit in electronic devices.

Characteristics

• Low-power consumption
• Wide operating voltage range
• Adjustable reset threshold voltage
• Small package size
• High accuracy

Package

LP3470M5X-2.63 is available in a small SOT-23-5 package.

Essence

The essence of LP3470M5X-2.63 lies in its ability to monitor and control the power supply voltage, ensuring proper functioning of electronic devices.

Packaging/Quantity

LP3470M5X-2.63 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.2V to 4.6V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LP3470M5X-2.63 has five pins arranged as follows:

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

Functional Features

1. Voltage Monitoring: LP3470M5X-2.63 continuously monitors the supply voltage and generates a reset signal when it falls below the programmed threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted using an external resistor divider network.
3. Manual Reset Input: The MR pin allows for a manual reset input, overriding the automatic reset function.
4. Power-On Reset Delay: LP3470M5X-2.63 provides a power-on reset delay to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• Wide operating voltage range makes it compatible with various power supply systems.
• Adjustable reset threshold allows customization for different applications.
• Small package size saves board space in compact designs.
• High accuracy ensures reliable voltage monitoring.

Disadvantages

• Limited number of pins restricts additional functionality without external circuitry.
• Lack of built-in hysteresis may lead to potential noise-related issues.

Working Principles

LP3470M5X-2.63 operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or unstable condition. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

LP3470M5X-2.63 finds application in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and reliable operation of these digital devices.
2. Communication Systems: Provides voltage supervision to prevent data corruption during power fluctuations.
3. Industrial Control Systems: Monitors power supply integrity in critical control circuits.
4. Automotive Electronics: Protects sensitive components from voltage variations and ensures safe operation.
5. Battery-Powered Devices: Maximizes battery life by preventing excessive discharge.

Detailed and Complete Alternative Models

1. LP3470M5X-2.63R: Similar to LP3470M5X-2.63, but with a different reset threshold voltage range.
2. LP3470M5X-2.63G: Offers additional features such as built-in hysteresis for noise immunity.
3. LP3470M5X-2.63S: Provides enhanced ESD protection for improved reliability in harsh environments.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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