BUJ302AX,127
Product Overview
- Category: Integrated Circuit
- Use: Power Management
- Characteristics: High efficiency, compact design
- Package: SOT-223
- Essence: Voltage Regulator
- Packaging/Quantity: Tape & Reel, 2500 units
Specifications
- Input Voltage: 4.5V to 40V
- Output Voltage: Adjustable from 1.25V to 37V
- Output Current: Up to 3A
- Dropout Voltage: 1.5V at 3A
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- Pin 1: Vin (Input Voltage)
- Pin 2: Vout (Output Voltage)
- Pin 3: GND (Ground)
Functional Features
- Wide input voltage range
- Adjustable output voltage
- Overcurrent and thermal protection
- Low dropout voltage
Advantages
- High efficiency
- Compact SOT-223 package
- Wide operating temperature range
Disadvantages
- Limited maximum output current compared to some alternatives
- SOT-223 package may require careful PCB layout for heat dissipation
Working Principles
The BUJ302AX,127 is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load current. It achieves this by using a feedback control loop to adjust the output voltage.
Detailed Application Field Plans
- Industrial power supplies
- Automotive electronics
- Battery-powered devices
Detailed and Complete Alternative Models
- LM317: Adjustable voltage regulator with similar specifications
- LM2940: Fixed output voltage regulator with higher output current capability
This integrated circuit is widely used in various applications due to its high efficiency and compact design. It is suitable for industrial, automotive, and battery-powered devices, providing stable and adjustable output voltage. While it has limitations in terms of maximum output current and package considerations, there are alternative models available to suit specific application requirements.
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What is the application of BUJ302AX,127?
- BUJ302AX,127 is commonly used as a general-purpose NPN transistor in various electronic circuits such as amplifiers, switches, and signal processing applications.
What are the key specifications of BUJ302AX,127?
- The key specifications of BUJ302AX,127 include a maximum collector current of 3A, a maximum collector-emitter voltage of 100V, and a maximum power dissipation of 40W.
Can BUJ302AX,127 be used for switching applications?
- Yes, BUJ302AX,127 can be used for switching applications due to its high collector current and voltage ratings.
What are the typical operating conditions for BUJ302AX,127?
- The typical operating conditions for BUJ302AX,127 include a collector current of 1A, a collector-emitter voltage of 10V, and a base current of 100mA.
Is BUJ302AX,127 suitable for audio amplifier circuits?
- Yes, BUJ302AX,127 is suitable for audio amplifier circuits due to its high current and power handling capabilities.
What are the recommended thermal management considerations for BUJ302AX,127?
- It is recommended to use a suitable heat sink to manage the thermal dissipation of BUJ302AX,127, especially when operating at higher currents and power levels.
Can BUJ302AX,127 be used in low-power applications?
- While BUJ302AX,127 is capable of handling higher power levels, it can also be used in low-power applications by operating within its specified limits.
Are there any specific layout considerations for using BUJ302AX,127 in a circuit?
- It is important to ensure proper PCB layout and minimize parasitic effects when integrating BUJ302AX,127 into a circuit to optimize its performance.
What are the typical gain characteristics of BUJ302AX,127?
- The typical DC current gain (hFE) of BUJ302AX,127 ranges from 40 to 320 under specified operating conditions.
Are there any common failure modes associated with BUJ302AX,127?
- Common failure modes for BUJ302AX,127 may include thermal runaway under excessive power dissipation or overcurrent conditions, so proper thermal and current management is essential.