L7915CD2T-TR

Product Overview

Category

L7915CD2T-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: -35V to -60V
• Output Voltage: -15V
• Maximum Output Current: 1.5A
• Dropout Voltage: 2V
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-252 (DPAK)
• RoHS Compliant: Yes

Packaging/Quantity

L7915CD2T-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: -35V to -60V
• Output Voltage: -15V
• Output Current: Up to 1.5A
• Dropout Voltage: 2V
• Line Regulation: ±0.04%
• Load Regulation: ±0.1%
• Quiescent Current: 6mA
• Ripple Rejection Ratio: 62dB
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-252 (DPAK)
• RoHS Compliant: Yes

Detailed Pin Configuration

L7915CD2T-TR has three pins:

1. Input Pin (VIN): This pin is used to connect the input voltage source.
2. Ground Pin (GND): This pin is connected to the ground reference of the circuit.
3. Output Pin (VOUT): The regulated output voltage is obtained from this pin.

Functional Features

• Voltage Regulation: L7915CD2T-TR provides a stable -15V output voltage, regardless of input voltage fluctuations.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
• Thermal Shutdown: In case of excessive temperature, the device shuts down to prevent damage.
• Short Circuit Protection: It is equipped with short circuit protection to prevent damage due to short circuits.

Advantages and Disadvantages

Advantages

• High voltage regulation accuracy.
• Wide operating temperature range.
• Overcurrent and short circuit protection.
• RoHS compliant.

Disadvantages

• Dropout voltage of 2V may limit its use in low voltage applications.
• Relatively high quiescent current compared to some alternative models.

Working Principles

L7915CD2T-TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable -15V output.

Detailed Application Field Plans

L7915CD2T-TR finds applications in various electronic devices and systems, including: - Power supplies for industrial equipment. - Automotive electronics. - Audio amplifiers. - Instrumentation systems. - Communication equipment.

Detailed and Complete Alternative Models

Some alternative models to L7915CD2T-TR include: - LM7915CT: Similar specifications and package type. - MC7915CT: Comparable performance and pin configuration. - UA7915CKCSE3: Alternative option with enhanced features.

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