BD3850FS-E2

Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: FSOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications and Parameters

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BD3850FS-E2 features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | VOUT | Output Voltage | | 6 | SW | Switch Node | | 7 | PG | Power Good Indicator | | 8 | VREF | Reference Voltage |

Functional Characteristics

• High Efficiency: The BD3850FS-E2 offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 50µA, it ensures low power consumption during standby or light load conditions.
• Fast Load Transient Response: The voltage regulator quickly responds to changes in load, maintaining stable output voltage.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage due to overheating.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Fast load transient response - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (1.5A)

Applicable Range of Products

The BD3850FS-E2 is suitable for various applications that require voltage regulation, such as: - Portable electronic devices - Industrial equipment - Automotive systems - Communication devices

Working Principles

The BD3850FS-E2 operates as a step-down voltage regulator. It takes an input voltage within the range of 4.5V to 18V and converts it to a lower, regulated output voltage between 0.8V and 5.5V. The device uses a switching mechanism to efficiently control the output voltage while minimizing power loss.

Detailed Application Field Plans

The BD3850FS-E2 can be applied in the following fields:

1. Mobile Devices: Provides stable power supply for smartphones, tablets, and wearable devices.
2. Automotive Electronics: Regulates voltage for automotive infotainment systems, lighting, and sensors.
3. Industrial Automation: Ensures reliable power for industrial control systems and motor drives.
4. Communication Networks: Supports voltage regulation in routers, switches, and network equipment.
5. Renewable Energy Systems: Controls voltage in solar panels, wind turbines, and energy storage systems.

Detailed Alternative Models

Some alternative models to the BD3850FS-E2 include:

1. BD3845FS-E2
2. BD3860FS-E2
3. BD3875FS-E2
4. BD3880FS-E2
5. BD3895FS-E2

5 Common Technical Questions and Answers

1. Q: What is the maximum output current of the BD3850FS-E2? A: The maximum output current is 1.5A.

2. Q: What is the operating temperature range of the BD3850FS-E2? A: The operating temperature range is -40°C to +85°C.

3. Q: Does the BD3850FS-E2 have overcurrent protection? A: Yes, it incorporates overcurrent protection.

4. Q: What is the package type of the BD3850FS-E2? A: It comes in an FSOP-8 package.

5. Q: What is the typical quiescent current of the BD3850FS-E2? A: The typical quiescent current is 50µA.