SG7912AT-883B

Product Overview

Category

SG7912AT-883B belongs to the category of voltage regulators.

Use

This product is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Voltage regulation: SG7912AT-883B ensures a stable output voltage regardless of input fluctuations.
• High efficiency: The voltage regulator operates with high efficiency, minimizing power loss.
• Temperature stability: It maintains a consistent output voltage even in varying temperature conditions.
• Low dropout voltage: The regulator can operate with a low input-output voltage differential.

Package

SG7912AT-883B is available in a TO-3 package, which provides excellent thermal dissipation properties.

Essence

The essence of SG7912AT-883B lies in its ability to regulate voltage effectively, ensuring reliable performance of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of SG7912AT-883B units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input voltage range: -35V to -5.2V
• Output voltage: -12V
• Output current: Up to 1A
• Dropout voltage: 2V (maximum)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

SG7912AT-883B has three pins:

1. Input pin (VIN): This pin receives the input voltage that needs to be regulated.
2. Ground pin (GND): This pin is connected to the ground reference of the circuit.
3. Output pin (VOUT): The regulated output voltage is provided through this pin.

Functional Features

• Voltage regulation: SG7912AT-883B maintains a constant output voltage of -12V, irrespective of input voltage variations.
• Short-circuit protection: The regulator is equipped with short-circuit protection, preventing damage to the circuit in case of a fault.
• Thermal shutdown: It incorporates a thermal shutdown feature that protects the device from overheating.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• High efficiency
• Temperature stability
• Short-circuit protection
• Thermal shutdown feature

Disadvantages

• Dropout voltage may limit its use in low voltage applications.
• Requires external components for proper operation.

Working Principles

SG7912AT-883B operates on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the current flow through it. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

SG7912AT-883B finds applications in various electronic devices and systems, including: 1. Power supplies 2. Audio amplifiers 3. Industrial control systems 4. Automotive electronics 5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SG7912AT-883B are: 1. LM7912CT -12V Voltage Regulator 2. MC7912CT -12V Negative Voltage Regulator 3. UA7912CKCSE3 -12V Fixed Negative Linear Voltage Regulator 4. L7912CV -12V Negative Voltage Regulator

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

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