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TMP431DDGKT
Product Overview
Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: DFN-8
Essence: Regulating voltage for electronic devices
Packaging/Quantity: Tape & Reel, 3000 units
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.8V to 3.6V
- Maximum Output Current: 500mA
- Dropout Voltage: 150mV at 300mA
- Quiescent Current: 45µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage
- GND: Ground
- EN: Enable pin
- BYP: Bypass capacitor
- NC: No connection
- VOUT: Output voltage
- NC: No connection
- PG: Power good indicator
Functional Features
- Low dropout voltage
- Low quiescent current
- Thermal shutdown protection
- Power good indicator
Advantages and Disadvantages
Advantages: - High efficiency - Wide input voltage range - Small package size
Disadvantages: - Limited maximum output current - Requires external bypass capacitor
Working Principles
The TMP431DDGKT is a voltage regulator that maintains a stable output voltage despite variations in the input voltage and load. It achieves this by using a feedback loop to adjust the internal pass transistor, ensuring the output voltage remains within the specified range.
Detailed Application Field Plans
The TMP431DDGKT is suitable for various applications requiring a stable voltage supply, such as battery-powered devices, portable electronics, and IoT devices. Its low dropout voltage and quiescent current make it ideal for power-sensitive applications.
Detailed and Complete Alternative Models
- LM1117: Similar voltage regulator with higher output current capability
- MCP1703: Low quiescent current voltage regulator for ultra-low power applications
- TPS799: Ultra-low quiescent current, high PSRR, low-dropout linear regulator
In conclusion, the TMP431DDGKT voltage regulator offers high efficiency and a wide input voltage range, making it suitable for a variety of power management applications. While it has limitations in terms of maximum output current, its compact package and functional features make it a valuable component in electronic designs.
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Перечислите 10 распространенных вопросов и ответов, связанных с применением TMP431DDGKT в технических решениях.
What is TMP431DDGKT?
- TMP431DDGKT is a high-accuracy, low-power, digital temperature sensor with integrated EEPROM memory.
What is the operating voltage range of TMP431DDGKT?
- The operating voltage range of TMP431DDGKT is 1.7V to 5.5V.
What is the temperature measurement range of TMP431DDGKT?
- TMP431DDGKT has a temperature measurement range of -40°C to +125°C.
How accurate is TMP431DDGKT in temperature measurements?
- TMP431DDGKT has an accuracy of ±0.5°C (maximum) from -10°C to +85°C.
Can TMP431DDGKT be used in battery-powered applications?
- Yes, TMP431DDGKT's low power consumption makes it suitable for battery-powered applications.
Does TMP431DDGKT have any built-in non-volatile memory?
- Yes, TMP431DDGKT has integrated EEPROM memory for storing user-specific configuration and calibration data.
What communication interface does TMP431DDGKT support?
- TMP431DDGKT supports I2C interface for communication with microcontrollers or other devices.
Is TMP431DDGKT suitable for industrial applications?
- Yes, TMP431DDGKT is designed for industrial applications due to its high accuracy and wide temperature range.
Can multiple TMP431DDGKT sensors be connected to the same bus?
- Yes, multiple TMP431DDGKT sensors can be connected to the same I2C bus using their unique addresses.
Are there any application notes or reference designs available for using TMP431DDGKT in technical solutions?
- Yes, Texas Instruments provides application notes and reference designs to assist in integrating TMP431DDGKT into various technical solutions.