SG7915T-JAN

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize the output voltage in electronic circuits
• Characteristics:
  • Negative voltage regulator
  • Fixed output voltage of -15V
  • High precision and low dropout voltage
• Package: TO-220 package
• Essence: Integrated circuit (IC) voltage regulator
• Packaging/Quantity: Available in reels or tubes, quantity varies depending on supplier

Specifications

• Input Voltage Range: -17V to -35V
• Output Voltage: -15V
• Output Current: Up to 1A
• Dropout Voltage: 2V (maximum)
• Line Regulation: 0.01%/V
• Load Regulation: 0.1%/A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SG7915T-JAN voltage regulator has three pins:

1. Input Pin (VIN): Connects to the input voltage source.
2. Ground Pin (GND): Connected to the ground reference of the circuit.
3. Output Pin (VOUT): Provides the regulated -15V output voltage.

Functional Features

• Provides a stable and regulated -15V output voltage.
• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit current limiting protects the device from excessive current flow.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage regulation. - Low dropout voltage for efficient operation. - Thermal shutdown protection for enhanced safety. - Short-circuit current limiting for device protection.

Disadvantages: - Fixed output voltage may limit flexibility in certain applications. - Limited output current capacity of 1A.

Working Principles

The SG7915T-JAN voltage regulator operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant -15V output. The device uses a series pass transistor to regulate the output voltage by controlling the current flow.

Detailed Application Field Plans

The SG7915T-JAN voltage regulator finds applications in various electronic circuits where a stable -15V power supply is required. Some common application areas include:

1. Audio Amplifiers: Provides a regulated negative voltage for audio amplification circuits.
2. Instrumentation Systems: Used to power analog sensors and signal conditioning circuits.
3. Industrial Control Systems: Provides a stable power source for control circuitry.
4. Communication Equipment: Used in telecommunication devices for voltage regulation.

Detailed and Complete Alternative Models

1. LM7915: Negative voltage regulator with similar specifications and pin configuration.
2. MC7915: Another negative voltage regulator with comparable characteristics.
3. LT1965: Adjustable negative voltage regulator with higher output current capability.

Note: This list is not exhaustive, and there are several other alternative models available in the market.

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