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BD3869AF-E2
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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:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. VOUT: Output Voltage
  6. PG: Power Good Indicator
  7. COMP: Compensation Pin
  8. SS: Soft-Start Pin
  9. BST: Bootstrap Pin
  10. SW: Switching Node
  11. AGND: Analog Ground
  12. AGND: Analog Ground
  13. AGND: Analog Ground
  14. AGND: Analog Ground
  15. AGND: Analog Ground
  16. 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

  1. 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.

  2. 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.

  3. 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.

  4. Automotive Electronics: The voltage regulator can be utilized in automotive applications, providing regulated power to various systems, including infotainment, lighting, and control modules.

  5. 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

  1. BD3869AF-E1: Similar to BD3869AF-E2 but with a different pin configuration.
  2. BD3870AF-E2: Higher maximum output current of 5A for more demanding applications.
  3. BD3868AF-E2: Lower maximum output current of 2A for less power-hungry devices.
  4. BD3867AF-E2: Lower input voltage range suitable for specific applications.
  5. BD3866AF-E2: Higher operating temperature range for extreme environments.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output current of the BD3869AF-E2? A: The maximum output current is 3A.

  2. 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.

  3. Q: Is the BD3869AF-E2 compatible with a wide range of input voltages? A: Yes, it can accept input voltages ranging from