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MIC79050-4.2BMM
Product Overview
Category
The MIC79050-4.2BMM belongs to the category of voltage regulators.
Use
It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.
Characteristics
- Input Voltage Range: 4.5V to 24V
- Output Voltage: 4.2V
- Maximum Output Current: 500mA
- Low Dropout Voltage: 300mV at 500mA
- Low Quiescent Current: 120µA
- Thermal Shutdown Protection
- Small Package Size
Package
The MIC79050-4.2BMM is available in a miniature 5-pin SOT-23 package.
Essence
This voltage regulator provides a stable output voltage with low dropout and quiescent current, making it suitable for various battery-powered applications.
Packaging/Quantity
The MIC79050-4.2BMM is typically packaged in reels of 3000 units.
Specifications
- Input Voltage Range: 4.5V to 24V
- Output Voltage: 4.2V ±2%
- Maximum Output Current: 500mA
- Dropout Voltage: 300mV at 500mA
- Quiescent Current: 120µA
- Operating Temperature Range: -40°C to 125°C
- Package Type: SOT-23-5
Detailed Pin Configuration
- VIN (Input Voltage)
- GND (Ground)
- NC (No Connection)
- VOUT (Output Voltage)
- EN (Enable)
Functional Features
- Low Dropout Voltage
- Thermal Shutdown Protection
- Enable Pin for Power Savings
- Short Circuit Protection
Advantages
- Wide Input Voltage Range
- Low Dropout Voltage
- Small Package Size
- Thermal Shutdown Protection
Disadvantages
- Limited Maximum Output Current (500mA)
- Noisy Output at High Frequencies
Working Principles
The MIC79050-4.2BMM uses a PNP pass transistor to regulate the output voltage. When the input voltage is higher than the desired output voltage, the pass transistor conducts, regulating the output voltage. The enable pin allows for power savings by putting the device into a low-power shutdown mode when not in use.
Detailed Application Field Plans
The MIC79050-4.2BMM is ideal for use in battery-powered devices such as portable electronics, handheld instruments, and battery-powered sensors. Its low dropout voltage and quiescent current make it suitable for applications where power efficiency is crucial.
Detailed and Complete Alternative Models
- LM1117-4.2
- MCP1702-4202E/TO
In conclusion, the MIC79050-4.2BMM is a versatile voltage regulator with a wide input voltage range, low dropout voltage, and thermal protection, making it suitable for various battery-powered applications. While it has limitations in maximum output current and noise at high frequencies, it offers significant advantages in power efficiency and compact design.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MIC79050-4.2BMM v technických řešeních
Sure, here are 10 common questions and answers related to the application of MIC79050-4.2BMM:
Q: What is the input voltage range for MIC79050-4.2BMM? A: The input voltage range for MIC79050-4.2BMM is typically 2.7V to 16V.
Q: What is the output voltage of MIC79050-4.2BMM? A: The output voltage of MIC79050-4.2BMM is fixed at 4.2V.
Q: What is the maximum output current of MIC79050-4.2BMM? A: The maximum output current of MIC79050-4.2BMM is typically 500mA.
Q: Can MIC79050-4.2BMM be used in battery-powered applications? A: Yes, MIC79050-4.2BMM is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Is thermal shutdown included in MIC79050-4.2BMM? A: Yes, MIC79050-4.2BMM includes thermal shutdown protection to prevent overheating.
Q: What are the typical applications for MIC79050-4.2BMM? A: Typical applications for MIC79050-4.2BMM include portable devices, battery-powered equipment, and low-power systems.
Q: Does MIC79050-4.2BMM require external components for operation? A: MIC79050-4.2BMM requires only input and output capacitors for stable operation, making it easy to use in designs.
Q: What is the operating temperature range for MIC79050-4.2BMM? A: The operating temperature range for MIC79050-4.2BMM is typically -40°C to 125°C.
Q: Can MIC79050-4.2BMM handle input voltage transients? A: Yes, MIC79050-4.2BMM is designed to handle input voltage transients commonly found in automotive and industrial environments.
Q: Is MIC79050-4.2BMM available in a small package for space-constrained designs? A: Yes, MIC79050-4.2BMM is available in a compact 5-pin SOT-23 package, making it suitable for space-constrained designs.
I hope these questions and answers are helpful for your technical solutions involving MIC79050-4.2BMM! If you have any more specific questions, feel free to ask.