LT1076CR#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Current limiting - Thermal shutdown protection
Package: TO-220
Essence: The LT1076CR#PBF is a high-efficiency, adjustable voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage levels.
Packaging/Quantity: The LT1076CR#PBF is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging standards.
Specifications
- Input Voltage Range: 4.2V to 60V
- Output Voltage Range: 1.25V to 57V
- Dropout Voltage: 0.45V at 1A Load Current
- Maximum Output Current: 5A
- Quiescent Current: 10mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT1076CR#PBF IC has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- ADJ: Adjust pin for setting the desired output voltage
Functional Features
- High efficiency: The LT1076CR#PBF offers high efficiency due to its low dropout voltage and current limiting capabilities.
- Adjustable output voltage: The output voltage can be easily adjusted using an external resistor connected to the ADJ pin.
- Current limiting: The IC incorporates current limiting functionality to protect the circuit from excessive current flow.
- Thermal shutdown protection: The LT1076CR#PBF includes thermal shutdown protection to prevent overheating and damage to the device.
Advantages and Disadvantages
Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Current limiting and thermal shutdown protection
Disadvantages: - Limited maximum output current (5A) - Requires external components for proper operation
Working Principles
The LT1076CR#PBF operates as a step-down voltage regulator. It takes an input voltage from the VIN pin and regulates it to a lower, adjustable output voltage at the VOUT pin. The ADJ pin is used to set the desired output voltage by connecting an external resistor.
The IC utilizes a feedback mechanism to compare the output voltage with a reference voltage. It adjusts the internal circuitry to maintain a stable output voltage even when the input voltage or load conditions change.
Detailed Application Field Plans
The LT1076CR#PBF can be used in various applications that require voltage regulation, such as: - Power supplies - Battery chargers - Automotive electronics - Industrial control systems - Portable devices
Detailed and Complete Alternative Models
Some alternative models to the LT1076CR#PBF include: - LM317: Adjustable voltage regulator with similar characteristics - LM7805: Fixed 5V voltage regulator - LT1084: Adjustable voltage regulator with higher maximum output current
These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT1076CR#PBF i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LT1076CR#PBF in technical solutions:
Q: What is LT1076CR#PBF? A: LT1076CR#PBF is a high efficiency switching regulator IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used for voltage regulation in various electronic applications.
Q: What is the input voltage range of LT1076CR#PBF? A: The input voltage range of LT1076CR#PBF is typically between 3V and 40V.
Q: What is the output voltage range of LT1076CR#PBF? A: The output voltage range of LT1076CR#PBF can be adjusted from 1.25V to 37V using external resistors.
Q: What is the maximum output current of LT1076CR#PBF? A: The maximum output current of LT1076CR#PBF is around 5A, depending on the specific operating conditions and thermal considerations.
Q: How efficient is LT1076CR#PBF? A: LT1076CR#PBF has a high efficiency, typically above 80%, making it suitable for power-sensitive applications.
Q: Can LT1076CR#PBF operate in both step-up and step-down modes? A: Yes, LT1076CR#PBF can operate in both step-up (boost) and step-down (buck) modes, allowing for versatile voltage regulation.
Q: Does LT1076CR#PBF require an external feedback resistor? A: Yes, LT1076CR#PBF requires an external feedback resistor to set the desired output voltage.
Q: What is the switching frequency of LT1076CR#PBF? A: The switching frequency of LT1076CR#PBF is typically around 100kHz, but it can be adjusted using an external timing capacitor.
Q: Is LT1076CR#PBF suitable for battery-powered applications? A: Yes, LT1076CR#PBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Are there any recommended external components for LT1076CR#PBF? A: Yes, LT1076CR#PBF requires a few external components such as input/output capacitors, feedback resistors, and an inductor (for step-up mode) or diode (for step-down mode).
Please note that these answers are general and may vary depending on specific application requirements and operating conditions. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.