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TL7770-5IDWR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection
Package: 5mm x 6mm PowerPAD SOIC package
Essence: The TL7770-5IDWR is a voltage regulator IC that provides a stable output voltage for various electronic devices.
Packaging/Quantity: The TL7770-5IDWR is available in a reel packaging with 2500 units per reel.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 1.2V to 3.6V
- Dropout Voltage: 200mV at 500mA
- Quiescent Current: 45µA
- Output Current: Up to 500mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The TL7770-5IDWR has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- FB: Feedback pin for adjusting the output voltage
- EN: Enable pin for turning the regulator on/off
- VOUT: Output voltage pin
Functional Features
- High Efficiency: The TL7770-5IDWR offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
- Low Dropout Voltage: With a low dropout voltage of only 200mV at 500mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
- Adjustable Output Voltage: The feedback pin allows users to adjust the output voltage within the specified range according to their application requirements.
- Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current and preventing damage to the device.
- Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates, protecting the IC from overheating.
Advantages and Disadvantages
Advantages: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection
Disadvantages: - Limited output current capacity (up to 500mA)
Working Principles
The TL7770-5IDWR operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to provide a stable output voltage. The feedback pin allows users to adjust the output voltage by controlling the internal reference voltage. The IC continuously monitors the output voltage and adjusts its internal circuitry to maintain a constant output voltage despite variations in the input voltage or load conditions.
Detailed Application Field Plans
The TL7770-5IDWR is commonly used in various electronic devices that require a stable voltage supply. Some application fields include: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices
Detailed and Complete Alternative Models
- LM1117-3.3: A popular alternative with similar specifications and features.
- LT1763: Offers higher output current capacity and lower dropout voltage.
- ADP3339: Provides adjustable output voltage and high accuracy.
These alternative models can be considered based on specific application requirements and desired performance characteristics.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TL7770-5IDWR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of TL7770-5IDWR in technical solutions:
Q: What is TL7770-5IDWR? A: TL7770-5IDWR is a specific model of voltage supervisor and reset IC manufactured by Texas Instruments.
Q: What is the purpose of TL7770-5IDWR? A: The TL7770-5IDWR is designed to monitor the power supply voltage and provide a reset signal to the microcontroller or other digital devices when the voltage falls below a certain threshold.
Q: What is the operating voltage range of TL7770-5IDWR? A: The TL7770-5IDWR operates within a voltage range of 1.8V to 5.5V.
Q: Can TL7770-5IDWR be used in battery-powered applications? A: Yes, TL7770-5IDWR can be used in battery-powered applications as it has a low quiescent current consumption.
Q: How does TL7770-5IDWR detect undervoltage conditions? A: TL7770-5IDWR compares the input voltage with a fixed reference voltage and asserts the reset output when the input voltage drops below the threshold.
Q: Can TL7770-5IDWR be used for overvoltage protection? A: No, TL7770-5IDWR is specifically designed for undervoltage detection and does not provide overvoltage protection.
Q: What is the typical response time of TL7770-5IDWR? A: The typical response time of TL7770-5IDWR is around 20 microseconds.
Q: Does TL7770-5IDWR have any adjustable parameters? A: No, TL7770-5IDWR does not have any adjustable parameters. The threshold voltage is fixed.
Q: Can multiple TL7770-5IDWR devices be used in parallel for redundancy? A: Yes, multiple TL7770-5IDWR devices can be used in parallel to provide redundancy and improve system reliability.
Q: What are the typical applications of TL7770-5IDWR? A: TL7770-5IDWR is commonly used in various electronic systems such as industrial automation, automotive electronics, consumer electronics, and power management circuits to ensure proper reset functionality during power supply fluctuations.
Please note that these answers are general and may vary depending on the specific requirements and implementation of the TL7770-5IDWR in a technical solution.