BD3491FS-E2

Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications and Parameters

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 15V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 120μA (typical)

Pin Configuration

The BD3491FS-E2 features a SOP-8 package with the following pin configuration:

```

---

| | --| VOUT GND|-- Pin 1: Ground --| VIN EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| COMP SS |-- Pin 4: Soft Start --| CS PG |-- Pin 5: Power Good --| SS FB |-- Pin 6: Feedback --| EN VIN |-- Pin 7: Input Voltage --| GND VOUT |-- Pin 8: Output Voltage |___________| ```

Functional Characteristics

The BD3491FS-E2 is a voltage regulator integrated circuit designed for power management applications. Its key functional characteristics include:

• High efficiency conversion of input voltage to output voltage.
• Low power consumption during operation.
• Soft start feature for smooth power-up.
• Power good signal for monitoring the output voltage stability.

Advantages and Disadvantages

Advantages: - High efficiency conversion results in reduced power loss. - Low power consumption extends battery life. - Soft start feature prevents excessive inrush current. - Power good signal ensures stable output voltage.

Disadvantages: - Limited maximum output current of 3A. - Requires external components for proper operation.

Applicable Range of Products

The BD3491FS-E2 is suitable for a wide range of power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems

Working Principles

The BD3491FS-E2 operates based on the principle of voltage regulation. It takes an input voltage within the specified range and converts it to a regulated output voltage. This conversion process is achieved through internal circuitry that adjusts the voltage levels according to the feedback received from the output.

Detailed Application Field Plans

The BD3491FS-E2 can be applied in various fields, such as: 1. Mobile devices: Provides efficient power management for smartphones and tablets. 2. IoT devices: Enables reliable power supply for connected devices in the Internet of Things ecosystem. 3. Automotive systems: Facilitates stable voltage regulation in automotive electronics. 4. Industrial automation: Supports power management in industrial control systems. 5. Renewable energy: Assists in regulating voltage in solar power systems.

Detailed Alternative Models

Some alternative models to the BD3491FS-E2 include: - BD3492FS-E2: Similar voltage regulator with higher maximum output current. - BD3490FS-E2: Similar voltage regulator with lower maximum output current. - BD3493FS-E2: Similar voltage regulator with additional features for specific applications.

5 Common Technical Questions and Answers

1. Q: What is the maximum input voltage supported by the BD3491FS-E2? A: The BD3491FS-E2 can handle input voltages ranging from 4.5V to 18V.

2. Q: What is the typical quiescent current of the BD3491FS-E2? A: The typical quiescent current is 120μA.

3. Q: Can the BD3491FS-E2 be used in automotive applications? A: Yes, the BD3491FS-E2 is suitable for automotive systems.

4. Q: Does the BD3491FS-E2 require external components for operation? A: Yes, external components such as capacitors and resistors are necessary for proper operation.

5. Q: What is the package type of the BD3491FS-E2? A: The BD3491FS-E2 comes in a SOP-8 package.

(Word count: 536)