LP3470M5-4.38

Product Overview

Category

LP3470M5-4.38 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
• High accuracy
• Small package size

Package

LP3470M5-4.38 is available in a small SOT-23-5 package.

Essence

The essence of LP3470M5-4.38 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

LP3470M5-4.38 is typically packaged in reels containing 3000 units per reel.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: 4.38V
• Quiescent Current: 3µA (typical)
• Power-On Reset Time: 100ms (typical)
• Output Type: Active-Low Push-Pull

Detailed Pin Configuration

LP3470M5-4.38 has five pins arranged as follows:

```

---

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

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. MR: Manual reset input pin.
4. RESET: Active-low reset output pin.
5. NC: No connection pin.

Functional Features

• Voltage monitoring: LP3470M5-4.38 continuously monitors the input voltage and generates a reset signal when it falls below the threshold voltage.
• Manual reset: The MR pin allows for manual reset control, overriding the automatic reset function.
• Active-low reset output: The RESET pin provides an active-low reset signal to the system when triggered.

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system energy efficiency.
• Wide operating voltage range makes it compatible with a variety of electronic devices.
• High accuracy in voltage monitoring ensures reliable performance.
• Small package size enables space-saving designs.

Disadvantages

• Limited reset threshold voltage options may not cater to all voltage requirements.
• Lack of adjustable reset time delay limits customization possibilities.

Working Principles

LP3470M5-4.38 operates by comparing the input voltage with the preset threshold voltage. When the input voltage drops below the threshold, the internal circuit triggers the reset output, signaling a system reset. The reset remains active until the input voltage rises above the threshold and stabilizes.

Detailed Application Field Plans

LP3470M5-4.38 finds applications in various electronic systems where voltage monitoring and reset functionality are crucial. Some common application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial automation systems

Detailed and Complete Alternative Models

1. LP3470M5-3.3: Similar to LP3470M5-4.38 but with a reset threshold voltage of 3.3V.
2. LP3470M5-2.5: Similar to LP3470M5-4.38 but with a reset threshold voltage of 2.5V.
3. LP3470M5-ADJ: Adjustable version allowing customization of the reset threshold voltage.

These alternative models provide flexibility to accommodate different voltage requirements in various applications.

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