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Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| OutputType | Adjustable (Programmable) |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 0.7V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 2V (3.3V, 5V) |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 750mA (Switch) |
| Frequency-Switching | Up to 500Hz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
Обзор
Description
The MAX1674EUA+T is a high-efficiency, step-up DC-DC converter designed by Maxim Integrated (now part of Analog Devices). It is tailored for applications requiring low input voltages and is capable of boosting them to higher levels, making it suitable for devices like battery-powered instruments and portable equipment.
Key features of the MAX1674EUA+T include:
1. Input Voltage Range: Operates from 0.7V to 5.5V, allowing it to be powered by single-cell batteries.
2. Output Voltage: Can be adjusted to deliver up to 5.5V.
3. Efficiency: Offers high efficiency, often above 90%, to extend battery life.
4. Low Quiescent Current: Consumes minimal power in standby mode, further conserving battery life.
5. Compact Package: Comes in a small 8-pin µMAX package, suitable for space-constrained applications.
6. Protection Features: Includes over-temperature and over-current protection to enhance reliability.
These characteristics make the MAX1674EUA+T a versatile choice for designers looking to implement efficient power solutions in portable electronic devices.
Key features of the MAX1674EUA+T include:
1. Input Voltage Range: Operates from 0.7V to 5.5V, allowing it to be powered by single-cell batteries.
2. Output Voltage: Can be adjusted to deliver up to 5.5V.
3. Efficiency: Offers high efficiency, often above 90%, to extend battery life.
4. Low Quiescent Current: Consumes minimal power in standby mode, further conserving battery life.
5. Compact Package: Comes in a small 8-pin µMAX package, suitable for space-constrained applications.
6. Protection Features: Includes over-temperature and over-current protection to enhance reliability.
These characteristics make the MAX1674EUA+T a versatile choice for designers looking to implement efficient power solutions in portable electronic devices.
Equivalent
The MAX1674EUA+T is a step-up DC-DC converter designed for low power applications. Equivalent products include the MIC2605 from Microchip, TPS61097 series from Texas Instruments, and the LT1615 from Analog Devices. When selecting an equivalent, ensure the voltage range, current output, and package type match your requirements. Always refer to the datasheets for detailed specifications.
Features
The MAX1674EUA+T is a high-efficiency, step-up DC-DC converter. Key features include:
1. High Efficiency: Capable of up to 96% efficiency, optimizing power usage.
2. Low Supply Current: Operates with a low quiescent current of 15μA, extending battery life.
3. Adjustable Output Voltage: Provides an adjustable output voltage range from 2.7V to 5.5V.
4. Low Start-Up Voltage: Features a low start-up voltage of 0.7V, suitable for single-cell applications.
5. Compact Package: Available in a small 8-pin µMAX package, saving board space.
6. Current Limiting: Includes a built-in current limit to protect against overcurrent conditions.
7. Automatic PWM/PFM Mode Switching: Switches modes to maintain high efficiency across various load conditions.
8. Output Disconnect: Prevents output from being pulled low when the device is off, maintaining output integrity.
9. Internal Synchronous Rectification: Enhances efficiency and reduces external component count.
These features make it suitable for portable devices, battery-powered equipment, and other applications requiring efficient, compact power solutions.
1. High Efficiency: Capable of up to 96% efficiency, optimizing power usage.
2. Low Supply Current: Operates with a low quiescent current of 15μA, extending battery life.
3. Adjustable Output Voltage: Provides an adjustable output voltage range from 2.7V to 5.5V.
4. Low Start-Up Voltage: Features a low start-up voltage of 0.7V, suitable for single-cell applications.
5. Compact Package: Available in a small 8-pin µMAX package, saving board space.
6. Current Limiting: Includes a built-in current limit to protect against overcurrent conditions.
7. Automatic PWM/PFM Mode Switching: Switches modes to maintain high efficiency across various load conditions.
8. Output Disconnect: Prevents output from being pulled low when the device is off, maintaining output integrity.
9. Internal Synchronous Rectification: Enhances efficiency and reduces external component count.
These features make it suitable for portable devices, battery-powered equipment, and other applications requiring efficient, compact power solutions.
Pinout
The MAX1674EUA+T is a step-up DC-DC converter from Maxim Integrated. It comes in an 8-pin µMAX package. Here is a brief overview of its pin count and functions:
1. Pin 1 (LX): Inductor connection. Connects to the external inductor and diode.
2. Pin 2 (GND): Ground.
3. Pin 3 (SHDN): Shutdown input. A low signal on this pin turns off the device and reduces current consumption.
4. Pin 4 (REF): Reference voltage output. Provides a 1.25V reference voltage.
5. Pin 5 (FB): Feedback input. Used to set the output voltage.
6. Pin 6 (OUT): Output voltage sense. Connects to the output voltage.
7. Pin 7 (IN): Supply voltage input. The supply voltage is connected here.
8. Pin 8 (PGND): Power ground.
This converter is designed for efficient power conversion, especially beneficial for battery-powered devices, offering high efficiency and a low quiescent current.
1. Pin 1 (LX): Inductor connection. Connects to the external inductor and diode.
2. Pin 2 (GND): Ground.
3. Pin 3 (SHDN): Shutdown input. A low signal on this pin turns off the device and reduces current consumption.
4. Pin 4 (REF): Reference voltage output. Provides a 1.25V reference voltage.
5. Pin 5 (FB): Feedback input. Used to set the output voltage.
6. Pin 6 (OUT): Output voltage sense. Connects to the output voltage.
7. Pin 7 (IN): Supply voltage input. The supply voltage is connected here.
8. Pin 8 (PGND): Power ground.
This converter is designed for efficient power conversion, especially beneficial for battery-powered devices, offering high efficiency and a low quiescent current.
Manufacturer
The MAX1674EUA+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. It specializes in creating products for a broad range of applications, including power management, battery management, sensor interfaces, and communication. With its integration into Analog Devices, the company continues to support a vast array of industries such as automotive, communications, consumer, data center, healthcare, industrial, and more, emphasizing innovation and technology leadership in the semiconductor industry.
Application
The MAX1674EUA+T is a high-efficiency, step-up DC-DC converter. Its application areas include portable devices, such as smartphones and tablets, where it efficiently boosts battery voltage to higher levels required by specific components. It is also used in handheld instruments, wireless communication devices, and GPS receivers that demand efficient power management. Additionally, it can be employed in battery-powered medical devices and other low-power electronics that require extended battery life. The MAX1674EUA+T is ideal for applications needing compact, cost-effective boost converters with low noise and high efficiency.
Package
The MAX1674EUA+T is packaged in an 8-pin µMAX package.
