BA178M18FP-E2

Product Overview

Category

BA178M18FP-E2 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation purposes.

Characteristics

• Voltage regulator IC
• Fixed output voltage of 18V
• Low dropout voltage
• High accuracy and stability
• Overcurrent protection
• Thermal shutdown protection

Package

BA178M18FP-E2 is available in a small form factor package, such as SOP-8 (Small Outline Package) or similar.

Essence

The essence of BA178M18FP-E2 lies in its ability to regulate and stabilize the output voltage at a fixed value of 18V, ensuring reliable power supply to various electronic components.

Packaging/Quantity

BA178M18FP-E2 is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 20V - 30V
• Output Voltage: 18V ±5%
• Dropout Voltage: 1.2V (typical)
• Output Current: Up to 500mA
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BA178M18FP-E2 follows the standard pin configuration for SOP-8 packages:

1. Vout (Output Voltage)
2. GND (Ground)
3. NC (No Connection)
4. Vin (Input Voltage)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Voltage regulation: BA178M18FP-E2 ensures a stable output voltage of 18V, even with varying input voltage.
• Overcurrent protection: The IC incorporates overcurrent protection to safeguard connected devices from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation
• Low dropout voltage ensures efficient power conversion
• Overcurrent and thermal protection enhance device safety
• Small form factor package allows for space-saving designs

Disadvantages

• Limited output current capacity (up to 500mA)
• Fixed output voltage may not be suitable for all applications requiring variable voltages

Working Principles

BA178M18FP-E2 utilizes internal circuitry to compare the output voltage with a reference voltage. It adjusts the internal resistance to maintain a constant output voltage of 18V, compensating for any fluctuations in the input voltage.

Detailed Application Field Plans

BA178M18FP-E2 finds applications in various electronic devices that require a stable 18V power supply. Some common application fields include: - Power supply units - Battery chargers - Audio amplifiers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• BA178M05FP-E2: Fixed output voltage of 5V
• BA178M12FP-E2: Fixed output voltage of 12V
• BA178M24FP-E2: Fixed output voltage of 24V
• LM317: Adjustable output voltage regulator

These alternative models provide different fixed or adjustable output voltages, catering to diverse application requirements.

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