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TMP431DDGKR
Product Overview
Category: Voltage Regulator
Use: Regulating voltage in electronic circuits
Characteristics: High precision, low dropout voltage, thermal shutdown protection
Package: DGD (8-Pin WSON)
Essence: Efficient voltage regulation for various electronic applications
Packaging/Quantity: Tape & Reel (2500 units per reel)
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 1.2V to 3.6V
- Dropout Voltage: 150mV at 300mA
- Quiescent Current: 75µA
- 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
- FB: Feedback Voltage
- VOUT: Output Voltage
- PG: Power Good Indicator
Functional Features
- High Accuracy: ±1% over load and temperature
- Low Dropout Voltage: Ensures stable output even with small input-output differentials
- Thermal Shutdown Protection: Safeguards the device during overtemperature conditions
Advantages and Disadvantages
Advantages: - Wide input voltage range - Low quiescent current - Small package size
Disadvantages: - Limited output current capability - Requires an external bypass capacitor
Working Principles
The TMP431DDGKR is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load. It achieves this by comparing the feedback voltage with a reference voltage and adjusting the output accordingly.
Detailed Application Field Plans
The TMP431DDGKR is suitable for various battery-powered devices, portable electronics, and industrial control systems where precise voltage regulation is essential. Its low dropout voltage and thermal shutdown protection make it ideal for applications with tight power constraints and harsh operating environments.
Detailed and Complete Alternative Models
- LM2937: Similar voltage regulator with higher output current capability
- LT1761: Low dropout voltage regulator with adjustable output voltage
In conclusion, the TMP431DDGKR is a versatile voltage regulator offering high precision and efficiency for a wide range of electronic applications.
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What is the operating temperature range of TMP431DDGKR?
- The operating temperature range of TMP431DDGKR is -40°C to 125°C.
What is the supply voltage range for TMP431DDGKR?
- The supply voltage range for TMP431DDGKR is 2.7V to 5.5V.
Can TMP431DDGKR be used in battery management systems?
- Yes, TMP431DDGKR can be used in battery management systems for monitoring and controlling battery temperature.
Does TMP431DDGKR have built-in fault detection features?
- Yes, TMP431DDGKR has built-in fault detection for over-temperature and under-temperature conditions.
What is the output format of TMP431DDGKR?
- TMP431DDGKR provides a digital output in I2C format.
Is TMP431DDGKR suitable for industrial applications?
- Yes, TMP431DDGKR is suitable for industrial applications due to its wide operating temperature range and robust design.
Can TMP431DDGKR be used in automotive electronics?
- Yes, TMP431DDGKR is automotive qualified and can be used in automotive electronics for temperature monitoring.
What is the accuracy of TMP431DDGKR?
- TMP431DDGKR has an accuracy of ±1°C (maximum) over the operating temperature range.
Does TMP431DDGKR require external calibration?
- No, TMP431DDGKR does not require external calibration as it is factory calibrated.
Is TMP431DDGKR RoHS compliant?
- Yes, TMP431DDGKR is RoHS compliant, making it suitable for use in environmentally sensitive applications.