BA78M08CP-E2

Product Overview

Category

BA78M08CP-E2 belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 10V - 35V
• Output Voltage: +8V
• Maximum Output Current: 500mA
• Dropout Voltage: 2V (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-252-3 (DPAK)
• RoHS Compliant

Packaging/Quantity

The BA78M08CP-E2 is typically packaged in reels or tubes. The quantity per reel/tube may vary depending on the manufacturer, but it is commonly available in quantities of 250 or 1000 units.

Specifications

• Output Voltage Accuracy: ±4%
• Line Regulation: ±0.5%
• Load Regulation: ±1%
• Ripple Rejection Ratio: 60dB (typical)
• Quiescent Current: 6mA (typical)

Pin Configuration

The BA78M08CP-E2 has three pins:

1. IN: Input pin for the regulated voltage.
2. GND: Ground reference pin.
3. OUT: Output pin for the regulated voltage.

Functional Features

• Overcurrent Protection: The BA78M08CP-E2 includes built-in overcurrent protection to prevent damage to the device and the connected circuitry in case of excessive current flow.
• Thermal Shutdown: It incorporates a thermal shutdown feature that automatically shuts down the regulator if the temperature exceeds the safe operating limit, protecting the device from overheating.
• Short Circuit Protection: The voltage regulator is designed to withstand short circuits without causing any damage to the device or the connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• High ripple rejection ratio ensures a stable output voltage even in the presence of noise.
• Overcurrent and short circuit protection enhance the reliability and safety of the circuit.

Disadvantages

• Dropout voltage of 2V may limit its use in low voltage applications.
• Output voltage accuracy of ±4% may not be suitable for precision applications.

Working Principles

The BA78M08CP-E2 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage.

Detailed Application Field Plans

The BA78M08CP-E2 can be used in various electronic circuits where a regulated +8V power supply is required. Some common application fields include:

1. Automotive Electronics: Used in automotive systems such as engine control units (ECUs), infotainment systems, and lighting control modules.
2. Industrial Control Systems: Employed in industrial automation equipment, motor control systems, and power supplies for control panels.
3. Consumer Electronics: Found in devices like audio amplifiers, set-top boxes, and home automation systems.
4. Telecommunications: Utilized in telecom infrastructure equipment, base stations, and network switches.

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for the BA78M08CP-E2 are:

1. LM7808: A popular voltage regulator from Texas Instruments with similar specifications and pin configuration.
2. MC78M08: Another widely used voltage regulator from ON Semiconductor, offering comparable performance characteristics.
3. NJM78M08: An alternative option from New Japan Radio Co., Ltd., known for its low dropout voltage and high ripple rejection ratio.

These alternative models provide similar functionality and can be used as replacements based on specific requirements and availability.

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