SMPZ3940B-E3/84A
Product Overview
Category
The SMPZ3940B-E3/84A belongs to the category of voltage regulator integrated circuits.
Use
It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
Characteristics
- Package: The SMPZ3940B-E3/84A comes in a TO-263-2 package.
- Essence: It is designed to provide precise voltage regulation for various electronic applications.
- Packaging/Quantity: Typically packaged in reels with a specific quantity per reel.
Specifications
The SMPZ3940B-E3/84A has the following specifications: - Input Voltage Range: 4.5V to 40V - Output Voltage: 3.3V - Maximum Output Current: 1A - Dropout Voltage: 0.5V - Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The SMPZ3940B-E3/84A has a standard pin configuration with input, output, and ground pins, as well as additional pins for enable and feedback.
Functional Features
- Voltage Regulation: Provides stable 3.3V output voltage even with varying input voltages.
- Overcurrent Protection: Safeguards the circuit by limiting the output current.
- Thermal Shutdown: Protects the device from overheating by shutting down at high temperatures.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Overcurrent protection
- Thermal shutdown feature
Disadvantages
- Limited maximum output current (1A)
Working Principles
The SMPZ3940B-E3/84A utilizes a feedback mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage.
Detailed Application Field Plans
The SMPZ3940B-E3/84A is suitable for various applications including: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring stable voltage - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to the SMPZ3940B-E3/84A include: - LM317 - LM7805 - LT1086
In conclusion, the SMPZ3940B-E3/84A is a reliable voltage regulator IC with precise regulation capabilities, making it suitable for a wide range of electronic applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SMPZ3940B-E3/84A i tekniske løsninger
What is SMPZ3940B-E3/84A?
- SMPZ3940B-E3/84A is a high-power, surface-mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients and surges.
What is the maximum peak pulse power of SMPZ3940B-E3/84A?
- The maximum peak pulse power of SMPZ3940B-E3/84A is 400W.
What is the breakdown voltage of SMPZ3940B-E3/84A?
- The breakdown voltage of SMPZ3940B-E3/84A is 43.6V.
What are the typical applications of SMPZ3940B-E3/84A?
- SMPZ3940B-E3/84A is commonly used in applications such as telecommunications equipment, industrial equipment, and automotive electronics for surge protection.
What is the operating temperature range of SMPZ3940B-E3/84A?
- The operating temperature range of SMPZ3940B-E3/84A is -55°C to +150°C.
What is the package type of SMPZ3940B-E3/84A?
- SMPZ3940B-E3/84A comes in a DO-214AA (SMB) package.
Is SMPZ3940B-E3/84A RoHS compliant?
- Yes, SMPZ3940B-E3/84A is RoHS compliant, making it suitable for use in environmentally sensitive applications.
What are the key features of SMPZ3940B-E3/84A?
- Some key features of SMPZ3940B-E3/84A include low clamping voltage, fast response time, and high surge capability.
Can SMPZ3940B-E3/84A be used for ESD protection?
- Yes, SMPZ3940B-E3/84A can be used for electrostatic discharge (ESD) protection in various electronic circuits.
Are there any recommended layout guidelines for using SMPZ3940B-E3/84A in a circuit?
- Yes, it is recommended to follow the layout guidelines provided in the datasheet to ensure optimal performance and reliability when integrating SMPZ3940B-E3/84A into a circuit.