BU9796AFS-E2

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOP-8
• Essence: This integrated circuit is designed to regulate voltage in electronic devices, ensuring a stable and reliable power supply.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 1.2V - 12V
• Maximum Output Current: 1A
• Dropout Voltage: 0.3V @ 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BU9796AFS-E2 features the following pin configuration:

1. VOUT (Output Voltage)
2. GND (Ground)
3. VIN (Input Voltage)
4. NC (No Connection)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. EN (Enable)

Functional Features

• High Efficiency: The BU9796AFS-E2 offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a dropout voltage as low as 0.3V, this IC ensures efficient power conversion even with low input voltages.
• Compact Size: The SOP-8 package allows for a compact design, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage enables efficient power conversion. - Compact size allows for flexible integration into various electronic devices.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - The SOP-8 package might require additional thermal management in certain scenarios.

Working Principles

The BU9796AFS-E2 operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. This is achieved by using a feedback mechanism that continuously adjusts the internal circuitry to maintain the desired output voltage, compensating for variations in the input voltage and load conditions.

Detailed Application Field Plans

The BU9796AFS-E2 finds applications in various electronic devices where voltage regulation is crucial. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require stable power supplies for their internal components.
2. Automotive Electronics: Voltage regulation is essential for automotive systems such as infotainment systems, navigation units, and engine control modules.
3. Industrial Control Systems: PLCs (Programmable Logic Controllers), motor drives, and other industrial equipment rely on stable power sources for reliable operation.
4. Consumer Electronics: Televisions, audio systems, and gaming consoles benefit from regulated power supplies to ensure optimal performance.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and a maximum output current of 1.5A.
2. LT1084: A high-current linear voltage regulator capable of delivering up to 5A of output current.
3. LM1117: A low dropout voltage regulator available in various fixed output voltage options, suitable for low-power applications.

These alternative models offer similar functionality to the BU9796AFS-E2 and can be considered based on specific requirements and design constraints.

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