L7808CD2T-TR

Product Overview

Category

L7808CD2T-TR belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 10V - 35V
• Output Voltage: 8V
• Maximum Output Current: 1.5A
• Dropout Voltage: 2V
• Operating Temperature Range: -40°C to +125°C
• Package Type: D2PAK
• Mounting Style: Surface Mount
• RoHS Compliant: Yes

Packaging/Quantity

The L7808CD2T-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 10V - 35V
• Output Voltage: 8V
• Output Current: Up to 1.5A
• Dropout Voltage: 2V (maximum)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.3% (typical)
• Ripple Rejection Ratio: 62dB (typical)
• Quiescent Current: 6mA (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The L7808CD2T-TR has three pins:

1. Input Pin (VIN): Connects to the input voltage source.
2. Ground Pin (GND): Connected to the ground reference.
3. Output Pin (VOUT): Provides the regulated output voltage.

Functional Features

• Voltage Regulation: The L7808CD2T-TR ensures a stable output voltage of 8V, regardless of variations in the input voltage.
• Overcurrent Protection: It incorporates short circuit protection, preventing damage to the device and the connected circuit in case of a short circuit.
• Thermal Shutdown Protection: The regulator has built-in thermal shutdown protection, which activates when the temperature exceeds the safe operating limit, preventing overheating and potential damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• High output current capability of up to 1.5A.
• Excellent line and load regulation characteristics ensure stable performance.
• Built-in overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages

• Dropout voltage of 2V may limit its use in low voltage applications.
• Higher quiescent current compared to some other voltage regulators may impact power efficiency in certain scenarios.

Working Principles

The L7808CD2T-TR is a linear voltage regulator that utilizes a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from a voltage divider network. Any difference between the two voltages is amplified and used to control the series pass transistor, adjusting its resistance to maintain a constant output voltage.

Detailed Application Field Plans

The L7808CD2T-TR finds application in various electronic devices and systems, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Audio amplifiers - Battery charging circuits - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the L7808CD2T-TR include: - LM7808: A popular general-purpose voltage regulator with similar specifications. - MC7808: Another widely used voltage regulator offering comparable performance. - UA7808: A low dropout voltage regulator suitable for low voltage applications.

These alternative models provide similar functionality and can be used as substitutes depending on specific requirements.

Word count: 510 words