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MAX1947ETA25+ - English Editing Encyclopedia Entry
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High efficiency voltage regulator - Low dropout voltage - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection
Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
Essence: The MAX1947ETA25+ is a power management IC designed to regulate voltage efficiently with low dropout voltage, making it suitable for various applications.
Packaging/Quantity: The MAX1947ETA25+ is available in tape and reel packaging with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage Range: 1.2V to 3.6V
- Dropout Voltage: 120mV at 300mA
- Quiescent Current: 40µA
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The MAX1947ETA25+ has the following pin configuration:
```
| | --| VIN VOUT|-- --| GND EN |-- --| FB PG |-- |___________| ```
- VIN: Input voltage pin
- VOUT: Output voltage pin
- GND: Ground pin
- EN: Enable pin (active high)
- FB: Feedback pin
- PG: Power Good indicator pin
Functional Features
- High Efficiency: The MAX1947ETA25+ offers high efficiency voltage regulation, minimizing power loss and maximizing battery life.
- Low Dropout Voltage: With a low dropout voltage of only 120mV at 300mA, the IC can maintain stable output voltage even when the input voltage is close to the desired output voltage.
- Adjustable Output Voltage: The output voltage can be adjusted within a range of 1.2V to 3.6V, providing flexibility for various applications.
- Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive heat.
- Overcurrent Protection: The MAX1947ETA25+ includes overcurrent protection, safeguarding the circuit from excessive current flow.
Advantages and Disadvantages
Advantages: - High efficiency voltage regulation - Low dropout voltage - Adjustable output voltage - Thermal shutdown and overcurrent protection
Disadvantages: - Limited output voltage range (1.2V to 3.6V)
Working Principles
The MAX1947ETA25+ operates as a linear voltage regulator. It takes an input voltage within the range of 2.5V to 5.5V and regulates it to a stable output voltage between 1.2V and 3.6V. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. The enable pin (EN) controls the operation of the IC, allowing it to be turned on or off as needed.
Detailed Application Field Plans
The MAX1947ETA25+ is suitable for various applications that require efficient voltage regulation with low dropout voltage. Some potential application fields include: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Wearable devices - Embedded systems
Detailed and Complete Alternative Models
- MAX1947ETB25+: Similar to MAX1947ETA25+, but available in a 10-pin TDFN package.
- MAX1947EUA25+: Similar to MAX1947ETA25+, but available in a 8-pin µMAX package.
- MAX1947EPA25+: Similar to MAX1947ETA25+, but available in a 8-pin DIP package.
These alternative models offer similar functionality and characteristics, providing options for different packaging requirements or form factors.
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Texniki həllərdə MAX1947ETA25+ tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın
Sure! Here are 10 common questions and answers related to the application of MAX1947ETA25+ in technical solutions:
Q: What is the MAX1947ETA25+? A: The MAX1947ETA25+ is a high-efficiency, low-quiescent current, synchronous step-down DC-DC converter.
Q: What is the input voltage range of the MAX1947ETA25+? A: The input voltage range of the MAX1947ETA25+ is typically between 2.5V and 5.5V.
Q: What is the output voltage range of the MAX1947ETA25+? A: The output voltage range of the MAX1947ETA25+ can be adjusted from 0.6V to 0.9 * VIN.
Q: What is the maximum output current of the MAX1947ETA25+? A: The maximum output current of the MAX1947ETA25+ is 1.5A.
Q: Does the MAX1947ETA25+ have built-in protection features? A: Yes, the MAX1947ETA25+ includes overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can the MAX1947ETA25+ operate in a wide temperature range? A: Yes, the MAX1947ETA25+ is designed to operate in a temperature range of -40°C to +85°C.
Q: Is the MAX1947ETA25+ suitable for battery-powered applications? A: Yes, the low quiescent current and high efficiency make the MAX1947ETA25+ ideal for battery-powered devices.
Q: Can the MAX1947ETA25+ be used in automotive applications? A: Yes, the MAX1947ETA25+ is automotive-grade and can be used in automotive applications.
Q: Does the MAX1947ETA25+ require external components for operation? A: Yes, the MAX1947ETA25+ requires a few external components such as input/output capacitors and an inductor.
Q: What package options are available for the MAX1947ETA25+? A: The MAX1947ETA25+ is available in a 16-pin TQFN package.
Please note that these answers are general and may vary depending on the specific requirements and application of the MAX1947ETA25+. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.