Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 36V |
| Frequency-Switching | Up to 330kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Enable |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
Tổng quan
Description
The MAX1745EUB+T is a part of the MAX1745 series, a line of highly efficient, low-dropout (LDO) voltage regulators manufactured by Maxim Integrated. Housed in a compact 10-pin µMAX package, this component is designed for applications requiring precise voltage regulation with minimal power dissipation. With its ability to deliver up to 500mA output current, the MAX1745EUB+T is ideal for portable devices and applications where space and power efficiency are critical.
Key features include a low output voltage noise, fast transient response, and an operational input voltage range typically from 2.5V to 5.5V. It also offers thermal overload protection and short-circuit protection, enhancing its reliability in various applications. The device may include additional features like an adjustable output voltage and an enable pin for power-saving purposes. Overall, the MAX1745EUB+T is well-suited for consumer electronics, telecommunications, and other systems requiring stable voltage regulation in a compact form factor.
Key features include a low output voltage noise, fast transient response, and an operational input voltage range typically from 2.5V to 5.5V. It also offers thermal overload protection and short-circuit protection, enhancing its reliability in various applications. The device may include additional features like an adjustable output voltage and an enable pin for power-saving purposes. Overall, the MAX1745EUB+T is well-suited for consumer electronics, telecommunications, and other systems requiring stable voltage regulation in a compact form factor.
Equivalent
The MAX1745EUB+T is a step-down DC-DC converter. Equivalent products could include:
1. TPS54331 by Texas Instruments
2. LM2675 by Texas Instruments
3. LT1767 by Analog Devices
4. MP1584 by Monolithic Power Systems
These alternatives offer similar functionality and are used in applications requiring voltage regulation and step-down conversion. Always verify the specifications like input voltage range, output current, and switching frequency to ensure compatibility.
1. TPS54331 by Texas Instruments
2. LM2675 by Texas Instruments
3. LT1767 by Analog Devices
4. MP1584 by Monolithic Power Systems
These alternatives offer similar functionality and are used in applications requiring voltage regulation and step-down conversion. Always verify the specifications like input voltage range, output current, and switching frequency to ensure compatibility.
Features
The MAX1745EUB+T is a sophisticated charge-pump voltage inverter designed by Maxim Integrated. It operates from a single 1.4V to 5.5V supply, and efficiently produces an unregulated negative output voltage. Key features include:
1. Low Noise: The device generates low output ripple voltage, making it suitable for sensitive applications.
2. Adjustable Output: The device allows flexible control over the output voltage.
3. Efficient Power Usage: It boasts high efficiency with a low quiescent current, optimizing power usage.
4. Small Footprint: With its compact 10-pin µMAX package, it is ideal for space-constrained designs.
5. Integrated Components: It requires only three small external capacitors, minimizing additional component needs.
6. High Switching Frequency: Operates at a high 600kHz switching frequency, which allows the use of small capacitors.
7. Thermal Protection: The device includes thermal shutdown protection for enhanced reliability.
8. Wide Supply Range: Its operating supply range makes it versatile for various power supply configurations.
These features make the MAX1745 suitable for a wide array of applications, including portable devices and battery-powered systems.
1. Low Noise: The device generates low output ripple voltage, making it suitable for sensitive applications.
2. Adjustable Output: The device allows flexible control over the output voltage.
3. Efficient Power Usage: It boasts high efficiency with a low quiescent current, optimizing power usage.
4. Small Footprint: With its compact 10-pin µMAX package, it is ideal for space-constrained designs.
5. Integrated Components: It requires only three small external capacitors, minimizing additional component needs.
6. High Switching Frequency: Operates at a high 600kHz switching frequency, which allows the use of small capacitors.
7. Thermal Protection: The device includes thermal shutdown protection for enhanced reliability.
8. Wide Supply Range: Its operating supply range makes it versatile for various power supply configurations.
These features make the MAX1745 suitable for a wide array of applications, including portable devices and battery-powered systems.
Pinout
The MAX1745EUB+T is a step-down DC-DC converter designed for efficient voltage regulation in electronic circuits. It comes in a 10-pin µMAX package. This device is primarily used for converting a higher input voltage to a lower output voltage, making it suitable for applications requiring stable power supply lines from variable sources. Key features of the MAX1745 include high efficiency, current-mode PWM operation, and the ability to deliver up to 1A of output current.
In terms of pin functions, the MAX1745 typically includes connections for input voltage (VIN), ground (GND), feedback (FB) for voltage regulation, an enable/shutdown control (SHDN), and a power-good indicator (PGOOD), among others, depending on its specific configuration in the circuit. These pins collectively facilitate the conversion and regulation process, ensuring that the output remains within the desired voltage range.
For precise pin assignments and functions, referring to the manufacturer's datasheet is recommended as it provides detailed information tailored to the specific needs of designing and implementing this component in electronic circuits.
In terms of pin functions, the MAX1745 typically includes connections for input voltage (VIN), ground (GND), feedback (FB) for voltage regulation, an enable/shutdown control (SHDN), and a power-good indicator (PGOOD), among others, depending on its specific configuration in the circuit. These pins collectively facilitate the conversion and regulation process, ensuring that the output remains within the desired voltage range.
For precise pin assignments and functions, referring to the manufacturer's datasheet is recommended as it provides detailed information tailored to the specific needs of designing and implementing this component in electronic circuits.
Manufacturer
The MAX1745EUB+T is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated, before its acquisition, was a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. These components are used in a wide range of applications, including consumer electronics, communication devices, computers, and industrial systems. The acquisition by Analog Devices, a company with a similar focus on analog, digital, and mixed-signal processing, has expanded the combined entity's portfolio, enhancing their capabilities in providing comprehensive solutions for various sectors, such as automotive, healthcare, and industrial automation.
Application
The MAX1745EUB+T is a voltage regulator and charger IC designed for battery management applications. It is commonly used in portable devices such as smartphones, tablets, and laptops for efficient battery charging and power management. The IC is suitable for applications requiring precise voltage regulation and protection features, including over-voltage, over-current, and over-temperature protection. Additionally, it can be utilized in wearable electronics, handheld instruments, and other compact, battery-powered equipment that demands reliable power management solutions. Its compact size and high efficiency make it ideal for modern electronics requiring space-saving and energy-efficient components.
Package
The MAX1745EUB+T is a DC-DC converter IC from Maxim Integrated, housed in a 10-pin µMAX package.