LP3470IM5X-2.93

Overview

Product Category

LP3470IM5X-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
• Small package size
• Wide operating voltage range
• High accuracy
• Adjustable reset threshold voltage

Package

LP3470IM5X-2.93 is available in a small SOT-23-5 package.

Essence

The essence of LP3470IM5X-2.93 lies in its ability to monitor and control the voltage levels in electronic systems, ensuring proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity

LP3470IM5X-2.93 is typically packaged in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.8V to 6V
• Reset Threshold Voltage: 2.93V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LP3470IM5X-2.93 has five pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| MR |-- Pin 3: Manual Reset Input (MR) --| VDD |-- Pin 4: Power Supply (VDD) --| GND |-- Pin 5: Ground (GND) |___________| ```

Functional Features

1. Voltage Monitoring: LP3470IM5X-2.93 continuously monitors the input voltage and generates a reset signal when the voltage falls below the preset threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted using external resistors, allowing flexibility in different applications.
3. Manual Reset: LP3470IM5X-2.93 provides a manual reset input (MR) for immediate system reset when required.
4. Power-On Reset Delay: The device includes a power-on reset delay circuit to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited number of pins may restrict additional functionality.
• Not suitable for high-voltage applications above 6V.

Working Principles

LP3470IM5X-2.93 operates by comparing the input voltage with the preset threshold voltage. When the input voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The manual reset input allows for immediate system reset if required. The device continuously monitors the voltage, providing reliable protection against voltage fluctuations.

Detailed Application Field Plans

LP3470IM5X-2.93 finds application in various electronic systems where voltage supervision is critical. Some common application fields include:

1. Microcontrollers: Ensures proper reset and initialization of microcontroller units.
2. Embedded Systems: Protects sensitive components from voltage variations during power-up or brownout conditions.
3. Battery-Powered Devices: Maximizes battery life by preventing excessive discharge.
4. Automotive Electronics: Monitors voltage levels in automotive systems to prevent malfunctions and damage.
5. Industrial Control Systems: Provides voltage supervision in control panels and PLCs to maintain system integrity.

Detailed and Complete Alternative Models

1. LP3470IM5X-2.93R: Similar to LP3470IM5X-2.93, but with a reset threshold voltage of 2.93V.
2. LP3470IM5X-3.08: Variant with a reset threshold voltage of 3.08V.
3. LP3470IM5X-2.50: Variant with a lower reset threshold voltage of 2.50V.

These alternative models offer different reset threshold voltages to suit specific application requirements.

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