AS7805ADTR-E1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, positive voltage regulator
• Package: Surface Mount Device (SMD)
• Essence: Linear regulator with fixed output voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 7V to 20V
• Output Voltage: 5V
• Output Current: Up to 1A
• Dropout Voltage: 2V (maximum)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AS7805ADTR-E1 has three pins:

1. Vin (Pin 1): Input voltage pin
2. GND (Pin 2): Ground pin
3. Vout (Pin 3): Output voltage pin

Functional Features

• Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
• Built-in thermal shutdown protection prevents the IC from overheating.
• Short-circuit current limiting protects the circuit from excessive current flow in case of a short circuit.
• Reverse polarity protection safeguards the IC from damage due to incorrect polarity connection.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Compact SMD package allows for easy integration into various electronic devices. - Wide operating temperature range enables reliable performance in extreme conditions.

Disadvantages: - Limited output current capacity may not be suitable for high-power applications. - Fixed output voltage restricts flexibility in voltage selection.

Working Principles

The AS7805ADTR-E1 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The AS7805ADTR-E1 is commonly used in various electronic devices and applications, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices requiring a stable 5V power source - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the AS7805ADTR-E1 are:

1. LM7805: A widely used linear voltage regulator with similar specifications.
2. LT1084: A high-current linear voltage regulator with adjustable output voltage.
3. TPS7A05: An ultra-low dropout voltage regulator with fixed 5V output.

These alternative models offer different features and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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