LT1243IN8#PBF
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High efficiency, low dropout voltage, adjustable output voltage
- Package: 8-Lead PDIP
- Essence: Regulating voltage for various electronic applications
- Packaging/Quantity: Tube of 25
Specifications
- Input Voltage Range: 4V to 20V
- Output Voltage Range: 1.24V to 18V
- Dropout Voltage: 0.5V at 500mA
- Output Current: 500mA
- Quiescent Current: 1.5mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- Vin (Pin 1) - Input Voltage
- GND (Pin 2) - Ground
- Adjust (Pin 3) - Output Voltage Adjustment
- Vout (Pin 4) - Output Voltage
- NC (Pin 5) - No Connection
- NC (Pin 6) - No Connection
- NC (Pin 7) - No Connection
- NC (Pin 8) - No Connection
Functional Features
- Adjustable Output Voltage
- Low Dropout Voltage
- Thermal Shutdown Protection
- Short-Circuit Current Limiting
- Reverse Battery Protection
Advantages and Disadvantages
Advantages: - Wide Input Voltage Range - Low Dropout Voltage - Thermal Shutdown Protection
Disadvantages: - Limited Output Current - Requires External Capacitors for Stability
Working Principles
The LT1243IN8#PBF is a voltage regulator IC that maintains a stable output voltage regardless of changes in the input voltage or load current. It achieves this by using feedback control to adjust the output voltage based on the reference voltage and the voltage across a resistor connected to the adjust pin.
Detailed Application Field Plans
- Power Supplies for Microcontrollers and DSPs
- Battery-Powered Devices
- Industrial Control Systems
- Automotive Electronics
- Portable Instruments
Detailed and Complete Alternative Models
- LM317 - Adjustable Voltage Regulator
- LM2940 - Low Dropout Regulator
- LT1083 - Positive Adjustable Regulator
- LM7805 - Fixed Voltage Regulator
This completes the entry for LT1243IN8#PBF, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT1243IN8#PBF i tekniska lösningar
Sure, here are 10 common questions and answers related to the application of LT1243IN8#PBF in technical solutions:
What is the input voltage range for LT1243IN8#PBF?
- The input voltage range for LT1243IN8#PBF is typically between 4.5V and 15V.
What is the output voltage range for LT1243IN8#PBF?
- The output voltage range for LT1243IN8#PBF is adjustable from 1.24V to 37V.
What is the maximum output current of LT1243IN8#PBF?
- The maximum output current of LT1243IN8#PBF is typically around 500mA.
What are the typical applications for LT1243IN8#PBF?
- LT1243IN8#PBF is commonly used in battery-powered systems, portable instruments, and other low power applications where a regulated voltage supply is required.
What is the efficiency of LT1243IN8#PBF?
- The efficiency of LT1243IN8#PBF can reach up to 90% depending on the input and output voltage differentials.
Does LT1243IN8#PBF require an external heat sink?
- LT1243IN8#PBF may require an external heat sink depending on the application and the power dissipation requirements.
What type of control does LT1243IN8#PBF use?
- LT1243IN8#PBF uses a current mode control architecture for improved transient response and stability.
Can LT1243IN8#PBF be used in automotive applications?
- Yes, LT1243IN8#PBF can be used in automotive applications as it can operate over a wide temperature range and withstand automotive voltage transients.
What are the key features of LT1243IN8#PBF?
- Some key features of LT1243IN8#PBF include low dropout voltage, low quiescent current, and thermal shutdown protection.
Is LT1243IN8#PBF suitable for high noise environments?
- Yes, LT1243IN8#PBF has built-in frequency compensation and can operate in high noise environments with proper design considerations.