LP3470IM5X-4.00

Overview

Product Category

LP3470IM5X-4.00 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor or reset circuit in electronic devices.

Characteristics

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

Package

LP3470IM5X-4.00 is available in a small SOT-23-5 package.

Essence

The essence of LP3470IM5X-4.00 lies in its ability to monitor and control the power supply voltage, ensuring proper operation of the connected electronic device.

Packaging/Quantity

LP3470IM5X-4.00 is typically packaged in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.8V to 6.0V
• Reset Threshold Voltage: 4.00V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

LP3470IM5X-4.00 features a standard SOT-23-5 pin configuration:

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Pin Descriptions: 1. GND: Ground connection 2. MR: Manual reset input 3. VDD: Power supply voltage input 4. RESET: Reset output 5. NC: No connection (unused pin)

Functional Features

1. Voltage Monitoring: LP3470IM5X-4.00 continuously monitors the power supply voltage.
2. Reset Generation: When the voltage drops below the preset threshold, the device generates a reset signal.
3. Adjustable Threshold: The reset threshold voltage can be adjusted to suit specific application requirements.
4. Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset function.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system efficiency.
• Small package size enables integration into space-constrained designs.
• Wide operating voltage range makes it compatible with various power supply configurations.
• High accuracy ensures reliable voltage monitoring.
• Adjustable reset threshold voltage provides flexibility in different applications.

Disadvantages

• Limited number of pins may restrict the device's functionality in complex systems.
• Lack of built-in protection features against voltage spikes or transients.

Working Principles

LP3470IM5X-4.00 operates by comparing the power supply voltage with the preset threshold voltage. When the voltage drops below the threshold, the device triggers a reset signal, which can be used to initiate system recovery or perform other necessary actions. The adjustable threshold feature allows customization according to specific voltage requirements.

Detailed Application Field Plans

LP3470IM5X-4.00 finds applications in various electronic devices where voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers: LP3470IM5X-4.00 ensures stable operation of microcontroller-based systems by providing reliable reset signals during power fluctuations.
2. Communication Systems: This IC safeguards communication equipment from voltage irregularities, preventing data corruption or loss.
3. Industrial Automation: LP3470IM5X-4.00 plays a vital role in industrial automation systems, ensuring uninterrupted operation and protecting sensitive components.
4. Automotive Electronics: In automotive applications, this voltage supervisor helps maintain the integrity of critical systems, such as engine control units and safety modules.

Detailed and Complete Alternative Models

1. LP3470IM5X-3.30: Similar to LP3470IM5X-4.00, but with a reset threshold voltage of 3.30V.
2. LP3470IM5X-2.50: Another variant with a reset threshold voltage of 2.50V.
3. LP3470IM5X-ADJ: This model allows for adjustable reset threshold voltage within a specified range.

These alternative models offer different reset threshold voltages to cater to diverse application requirements.

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