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BD3869AF-E2
Overview
- Category: Electronic Component
- Use: Power Management IC
- Characteristics: High Efficiency, Low Power Consumption
- Package: QFN (Quad Flat No-leads)
- Essence: Integrated Voltage Regulator
- Packaging/Quantity: Tape and Reel, 3000 pieces per reel
Specifications and Parameters
- Input Voltage Range: 4.5V to 24V
- Output Voltage Range: 0.8V to 5.5V
- Maximum Output Current: 3A
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 95%
- Quiescent Current: 50µA
Pin Configuration
The BD3869AF-E2 has a total of 16 pins. The pin configuration is as follows:
- VIN: Input Voltage
- GND: Ground
- EN: Enable Pin
- FB: Feedback Pin
- VOUT: Output Voltage
- PG: Power Good Indicator
- COMP: Compensation Pin
- SS: Soft-Start Pin
- BST: Bootstrap Pin
- SW: Switching Node
- AGND: Analog Ground
- AGND: Analog Ground
- AGND: Analog Ground
- AGND: Analog Ground
- AGND: Analog Ground
- AGND: Analog Ground
Functional Characteristics
- Integrated voltage regulator with high efficiency and low power consumption.
- Wide input voltage range allows for versatile applications.
- Adjustable output voltage provides flexibility in different scenarios.
- Power good indicator ensures stable operation.
- Soft-start feature prevents excessive inrush current.
- Built-in compensation circuit improves stability.
Advantages and Disadvantages
Advantages: - High efficiency leads to energy savings. - Low power consumption prolongs battery life. - Wide input voltage range allows for compatibility with various power sources. - Compact QFN package saves board space. - Integrated voltage regulator simplifies circuit design.
Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.
Applicable Range of Products
The BD3869AF-E2 is suitable for a wide range of electronic devices and systems that require efficient power management. It can be used in:
- Mobile phones
- Tablets
- Laptops
- Portable gaming consoles
- IoT devices
- Industrial equipment
- Automotive electronics
Working Principles
The BD3869AF-E2 operates as a step-down (buck) voltage regulator. It takes an input voltage from the VIN pin, converts it to the desired output voltage, and provides a stable power supply to the load connected to the VOUT pin. The integrated control circuitry ensures efficient power conversion and regulation.
Detailed Application Field Plans
Mobile Phone Power Management: The BD3869AF-E2 can be used to regulate the voltage for various components in a mobile phone, such as the processor, display, and camera modules.
Portable Gaming Console Power Supply: The voltage regulator can provide a stable power source for the CPU, GPU, and other components in portable gaming consoles, ensuring smooth gameplay.
IoT Device Power Management: With its low power consumption and compact package, the BD3869AF-E2 is ideal for powering IoT devices, such as sensors, actuators, and communication modules.
Automotive Electronics: The voltage regulator can be utilized in automotive applications, providing regulated power to various systems, including infotainment, lighting, and control modules.
Industrial Equipment Power Supply: The BD3869AF-E2 can be integrated into industrial equipment, ensuring reliable and efficient power management for motors, controllers, and other components.
Detailed Alternative Models
- BD3869AF-E1: Similar to BD3869AF-E2 but with a different pin configuration.
- BD3870AF-E2: Higher maximum output current of 5A for more demanding applications.
- BD3868AF-E2: Lower maximum output current of 2A for less power-hungry devices.
- BD3867AF-E2: Lower input voltage range suitable for specific applications.
- BD3866AF-E2: Higher operating temperature range for extreme environments.
5 Common Technical Questions and Answers
Q: What is the maximum output current of the BD3869AF-E2? A: The maximum output current is 3A.
Q: Can the BD3869AF-E2 operate in high-temperature environments? A: Yes, it can operate within a temperature range of -40°C to +85°C.
Q: Is the BD3869AF-E2 compatible with a wide range of input voltages? A: Yes, it can accept input voltages ranging from