LP3470IM5-2.75/NOPB

Product Overview

Category

LP3470IM5-2.75/NOPB belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Low dropout voltage: The LP3470IM5-2.75/NOPB has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Overcurrent and thermal protection: The regulator incorporates built-in protection mechanisms to prevent damage from excessive current or temperature.

Package

LP3470IM5-2.75/NOPB is available in a small SOT-23-5 package, which is compact and easy to integrate into circuit designs.

Essence

The essence of LP3470IM5-2.75/NOPB lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of LP3470IM5-2.75/NOPB units.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage: 2.75V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 20µA (typical)
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LP3470IM5-2.75/NOPB has five pins arranged as follows:

1. GND (Ground): Connected to the ground reference of the circuit.
2. EN (Enable): Used to enable or disable the regulator.
3. FB (Feedback): Connected to an external resistor divider network to set the output voltage.
4. VOUT (Output Voltage): Provides the regulated output voltage.
5. VIN (Input Voltage): Receives the input voltage to be regulated.

Functional Features

• Low dropout voltage ensures efficient operation even with small voltage differentials.
• Overcurrent and thermal protection mechanisms safeguard the regulator and connected devices from damage.
• Enable pin allows for easy on/off control of the regulator.
• Small package size enables space-saving integration into circuit designs.

Advantages and Disadvantages

Advantages

• Low dropout voltage enhances efficiency.
• Quiescent current consumption is minimal, making it suitable for battery-powered applications.
• Built-in protection mechanisms provide added reliability and safety.

Disadvantages

• Maximum output current is limited to 100mA, which may not be sufficient for high-power applications.
• Limited input voltage range restricts its use in certain scenarios.

Working Principles

LP3470IM5-2.75/NOPB operates based on a voltage regulation principle known as a linear regulator. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable output voltage regardless of changes in the input voltage or load conditions. The regulator achieves this by controlling the flow of current through a pass transistor, effectively regulating the output voltage.

Detailed Application Field Plans

LP3470IM5-2.75/NOPB finds applications in various electronic systems, including but not limited to: - Battery-powered devices such as portable audio players and handheld instruments. - Embedded systems requiring stable voltage supply. - Automotive electronics where low dropout voltage and overcurrent protection are crucial. - IoT devices that operate on low power and require reliable voltage regulation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LP3470IM5-2.75/NOPB include: - LM1117-2.75: A popular voltage regulator with a fixed output voltage of 2.75V. - MCP1702-275: Another low dropout voltage regulator with a fixed output voltage of 2.75V. - TS2950CT-2.75: A compact voltage regulator with a fixed output voltage of 2.75V.

These alternative models can be considered based on specific application requirements and availability.

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