LP3470M5X-4.00

Product Overview

Category

LP3470M5X-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
• Wide operating voltage range
• Adjustable reset threshold voltage
• Small package size
• High accuracy

Package

LP3470M5X-4.00 is available in a small SOT-23-5 package.

Essence

The essence of LP3470M5X-4.00 lies in its ability to monitor and control the power supply voltage, ensuring proper functioning of electronic devices.

Packaging/Quantity

LP3470M5X-4.00 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 2.5V to 4.63V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LP3470M5X-4.00 has five pins arranged as follows:

```

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| | --| VDD | --| GND | --| MR | --| RESET | --| NC | |_______| ```

• VDD: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Reset output
• NC: No connection (unused pin)

Functional Features

1. Voltage Monitoring: LP3470M5X-4.00 continuously monitors the power supply voltage and generates a reset signal when it falls below the set threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted within a specified range, allowing flexibility in different applications.
3. Low Power Consumption: With a quiescent current of only 3µA, this IC minimizes power consumption and extends battery life in portable devices.
4. Wide Operating Voltage Range: LP3470M5X-4.00 operates reliably across a wide range of supply voltages, making it suitable for various electronic systems.

Advantages and Disadvantages

Advantages

• Low power consumption enhances energy efficiency.
• Adjustable reset threshold accommodates different voltage requirements.
• Small package size allows for space-saving integration.
• Wide operating voltage range ensures compatibility with diverse applications.

Disadvantages

• Limited pin configuration options may restrict certain circuit designs.
• Lack of advanced features compared to more specialized voltage supervisor ICs.

Working Principles

LP3470M5X-4.00 functions as a voltage supervisor by continuously monitoring the input voltage. When the voltage drops below the set threshold, the IC generates a reset signal, which can be used to initiate system resets or control other circuitry. This ensures that the device operates reliably even under fluctuating or unstable power conditions.

Detailed Application Field Plans

LP3470M5X-4.00 finds application in various electronic devices and systems, including but not limited to: - Microcontrollers and microprocessors - Embedded systems - Portable consumer electronics - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LP3470M5X-4.00 include: - MAX809: Voltage supervisors with adjustable reset thresholds and low-power consumption. - TPS3839: Precision voltage monitors with programmable reset delay and manual reset input. - ADM6315: Supervisory circuits with watchdog timer and adjustable reset threshold.

These alternative models provide options for designers based on specific requirements and additional features needed in their applications.

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