LP3470M5X-2.93

Product Overview

Category

LP3470M5X-2.93 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-2.93 is available in a small SOT-23-5 package.

Essence

The essence of LP3470M5X-2.93 lies in its ability to monitor and control the power supply voltage, ensuring proper functioning of electronic devices.

Packaging/Quantity

LP3470M5X-2.93 is typically packaged in reels containing 3000 units per reel.

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-2.93 has five pins arranged as follows:

```

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

Pin Description: - VDD: Power supply input - GND: Ground reference - MR: Manual reset input (active-low) - RESET: Reset output - NC: No connection (unused pin)

Functional Features

1. Voltage Monitoring: LP3470M5X-2.93 continuously monitors the power supply voltage.
2. Reset Generation: When the voltage drops below the preset threshold, the reset output is activated.
3. Adjustable Threshold: The reset threshold voltage can be adjusted according to the specific application requirements.
4. Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring.

Advantages and Disadvantages

Advantages

• Low power consumption enhances overall system efficiency.
• Wide operating voltage range makes it compatible with various power supply configurations.
• Adjustable reset threshold provides flexibility in different applications.
• Small package size saves board space.
• High accuracy ensures reliable voltage monitoring.

Disadvantages

• Limited number of pins may restrict additional functionality.
• Lack of built-in protection features against voltage spikes or transients.

Working Principles

LP3470M5X-2.93 operates by comparing the power supply voltage with the internally set threshold voltage. When the voltage falls below the threshold, the reset output is activated, indicating a power failure or abnormal condition. The adjustable threshold allows customization based on specific voltage requirements.

Detailed Application Field Plans

LP3470M5X-2.93 finds applications in various electronic devices where voltage supervision is critical. Some common application fields include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Power management circuits 4. Battery-powered devices 5. Industrial control systems

Detailed and Complete Alternative Models

1. LP3470M5X-2.93R - Similar specifications but with a different reset threshold voltage range.
2. LP3470M5X-3.3 - Fixed reset threshold voltage at 3.3V.
3. LP3470M5X-2.5 - Fixed reset threshold voltage at 2.5V.
4. LP3470M5X-ADJ - Adjustable reset threshold voltage with a wider range.

These alternative models offer similar functionality but cater to different voltage requirements or preferences.

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