LP3470IM5-4.8/NOPB

Product Overview

Category

LP3470IM5-4.8/NOPB belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The LP3470IM5-4.8/NOPB provides a regulated output voltage of 4.8V.
• Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power conversion.
• Low quiescent current: The device has a low quiescent current, minimizing power consumption.
• Thermal shutdown protection: LP3470IM5-4.8/NOPB includes thermal shutdown protection, preventing damage due to excessive heat.
• Small package size: The product comes in a compact SOT-23-5 package, making it suitable for space-constrained applications.

Package and Quantity

LP3470IM5-4.8/NOPB is available in a SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 4.8V
• Dropout Voltage: 150mV (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: 2.5V to 6.5V
• Maximum Output Current: 100mA

Pin Configuration

The LP3470IM5-4.8/NOPB has five pins arranged as follows:

```

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| | --| EN GND |-- --| VOUT VIN |-- |___________| ```

Pin Description: - EN: Enable pin (Active High). Connects to logic high to enable the regulator. - GND: Ground pin. Connected to the system ground. - VOUT: Output voltage pin. Provides a regulated 4.8V output. - VIN: Input voltage pin. Connects to the input power supply.

Functional Features

1. Voltage Regulation: The LP3470IM5-4.8/NOPB maintains a stable output voltage of 4.8V, even with varying input voltages.
2. Low Dropout Voltage: It operates with a low dropout voltage, ensuring efficient power conversion and minimizing power dissipation.
3. Low Quiescent Current: The device has a low quiescent current, reducing power consumption when the load is light or idle.
4. Thermal Shutdown Protection: LP3470IM5-4.8/NOPB includes thermal shutdown protection, which disables the regulator in case of excessive temperature, preventing damage.
5. Fast Transient Response: The regulator quickly responds to changes in load conditions, maintaining a stable output voltage.

Advantages and Disadvantages

Advantages

• Compact package size allows for easy integration into space-constrained designs.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage due to overheating.
• Fast transient response maintains a stable output voltage during load variations.

Disadvantages

• Limited maximum output current (100mA) may not be suitable for high-power applications.
• Input voltage range (2.5V to 6.5V) may restrict compatibility with certain systems.

Working Principles

The LP3470IM5-4.8/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. When the enable pin (EN) is set to logic high, the internal circuitry activates, allowing current flow from the input (VIN) to the output (VOUT). The regulator compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain a stable 4.8V output.

Detailed Application Field Plans

The LP3470IM5-4.8/NOPB is commonly used in various electronic applications, including but not limited to: 1. Battery-powered devices: It provides a regulated voltage for microcontrollers, sensors, and other low-power components in portable electronics. 2. IoT devices: LP3470IM5-4.8/NOPB ensures stable power supply for IoT modules, enabling reliable communication and data processing. 3. Automotive electronics: It can be utilized in automotive systems such as infotainment units, dashboard displays, and control modules. 4. Industrial automation: The regulator finds application in industrial control systems, motor drives, and sensor interfaces. 5. Consumer electronics: It is suitable for powering audio/video equipment, gaming consoles, and handheld devices.

Detailed and Complete Alternative Models

1. LM1117-4.8: A popular alternative with similar specifications and pin configuration.
2. MCP1700-4.8: Another option offering low dropout voltage and