LM2825N-3.3/NOPB

Product Overview

Category

The LM2825N-3.3/NOPB belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The LM2825N-3.3/NOPB provides a regulated output voltage of 3.3V.
• Efficiency: It offers high efficiency, ensuring minimal power loss during voltage conversion.
• Input voltage range: This voltage regulator can accept input voltages ranging from 4.5V to 20V.
• Output current: It can deliver a maximum output current of 500mA.
• Low dropout voltage: The device has a low dropout voltage, enabling it to operate even when the input voltage is close to the desired output voltage.

Package

The LM2825N-3.3/NOPB comes in a compact package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The LM2825N-3.3/NOPB is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-5 (D2PAK)

Detailed Pin Configuration

The LM2825N-3.3/NOPB has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The LM2825N-3.3/NOPB ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Short Circuit Protection: It incorporates short circuit protection to prevent damage to the device and connected components in case of a short circuit.
• Thermal Shutdown: The regulator includes thermal shutdown functionality, which protects it from overheating by disabling the output when the temperature exceeds a safe threshold.
• Low Quiescent Current: The device has low quiescent current, minimizing power consumption when the load is light.

Advantages and Disadvantages

Advantages

• High efficiency, reducing power loss during voltage conversion.
• Wide input voltage range allows for flexibility in various applications.
• Compact package size suitable for space-constrained designs.
• Short circuit protection enhances system reliability.
• Thermal shutdown feature prevents overheating.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• Dropout voltage of 200mV may affect performance in low input voltage scenarios.

Working Principles

The LM2825N-3.3/NOPB operates based on a linear voltage regulation principle. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The device employs a pass transistor that regulates the output voltage by controlling the current flow between the input and output terminals.

Detailed Application Field Plans

The LM2825N-3.3/NOPB finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and pin configuration.
• LT1084: Offers higher output current capability but requires additional external components.
• TPS73633: Provides a fixed 3.3V output voltage with low dropout voltage.

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

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