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BD33KA5WF-E2
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BD33KA5WF-E2

Product Overview

  • Category: Voltage Regulator
  • Use: Power management
  • Characteristics: High efficiency, low dropout voltage, compact size
  • Package: TO-252-5L (DPAK)
  • Essence: Integrated voltage regulator with adjustable output voltage
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.2V to 15V
  • Output Current: Up to 3A
  • Dropout Voltage: 300mV typical at 3A
  • Quiescent Current: 100µA typical
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BD33KA5WF-E2 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Thermal shutdown protection
  • Fast transient response
  • Low output voltage noise

Advantages

  • High efficiency, reducing power dissipation
  • Wide input voltage range allows for versatile applications
  • Compact package size enables space-saving designs
  • Excellent load and line regulation
  • Robust protection features ensure device reliability

Disadvantages

  • Dropout voltage may limit performance in low input voltage scenarios
  • Limited output current compared to higher-rated regulators
  • Requires external components for proper operation

Working Principles

The BD33KA5WF-E2 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's conduction, maintaining a stable output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The BD33KA5WF-E2 is suitable for various applications, including:

  1. Consumer electronics: Powering microcontrollers, sensors, and other low-power devices
  2. Industrial equipment: Providing stable voltage for control systems and sensors
  3. Automotive electronics: Regulating voltage for infotainment systems, lighting, and engine control units
  4. Telecommunications: Powering base stations, routers, and network equipment

Detailed and Complete Alternative Models

  1. BD33KA5WF-E2R: Same specifications and features as BD33KA5WF-E2, but in a different package (TO-263-5L)
  2. BD33KA5WF-E3: Improved version with lower dropout voltage and higher output current capability
  3. BD33KA5WF-E4: Higher input voltage range variant for specific applications

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

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技術ソリューションにおける BD33KA5WF-E2 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of BD33KA5WF-E2 in technical solutions:

  1. Q: What is BD33KA5WF-E2? A: BD33KA5WF-E2 is a voltage regulator IC (integrated circuit) commonly used in electronic devices to regulate and stabilize voltage levels.

  2. Q: What is the input voltage range supported by BD33KA5WF-E2? A: BD33KA5WF-E2 supports an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range provided by BD33KA5WF-E2? A: BD33KA5WF-E2 provides an output voltage range of 0.8V to 15V.

  4. Q: What is the maximum output current that BD33KA5WF-E2 can handle? A: BD33KA5WF-E2 can handle a maximum output current of 500mA.

  5. Q: Is BD33KA5WF-E2 suitable for battery-powered applications? A: Yes, BD33KA5WF-E2 is suitable for battery-powered applications as it has low quiescent current and supports a wide input voltage range.

  6. Q: Does BD33KA5WF-E2 have built-in protection features? A: Yes, BD33KA5WF-E2 has built-in protection features such as overcurrent protection, thermal shutdown, and reverse current protection.

  7. Q: Can BD33KA5WF-E2 be used in automotive applications? A: Yes, BD33KA5WF-E2 is AEC-Q100 qualified, making it suitable for automotive applications.

  8. Q: What is the operating temperature range of BD33KA5WF-E2? A: BD33KA5WF-E2 has an operating temperature range of -40°C to +105°C.

  9. Q: Does BD33KA5WF-E2 require any external components for operation? A: Yes, BD33KA5WF-E2 requires a few external components such as input/output capacitors and resistors for stability and filtering.

  10. Q: Can BD33KA5WF-E2 be used in space-constrained applications? A: Yes, BD33KA5WF-E2 is available in a small package (HSOP-8) which makes it suitable for space-constrained applications.

Please note that the answers provided here are general and may vary depending on specific application requirements.