Specifications
| Attribute | Value |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable (Programmable) |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.1V (2.525V, 3.33V) |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 2A |
| Frequency-Switching | Up to 350kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.209, 5.30mm Width) |
Overview
Description
The MAX1644EAE+T is a high-efficiency, synchronous step-down DC-DC converter designed by Maxim Integrated, tailored for applications that demand compact solutions with minimal external components. It operates over a wide input voltage range, providing a stable output suitable for use in portable devices, telecommunications, and other systems requiring efficient power management. The device is powered by a PWM controller and features synchronous rectification, which improves efficiency compared to asynchronous counterparts. The MAX1644EAE+T offers a fast transient response and low output ripple, making it ideal for sensitive electronic components.
Key features include an adjustable output voltage, internal MOSFETs for minimal component count, and thermal shutdown to protect against overheating. It also offers a high switching frequency, which enables the use of small inductors and capacitors, further reducing the overall solution footprint. The "EAE+T" suffix refers to the specific package type and tape-and-reel packaging. Overall, the MAX1644EAE+T is a versatile, reliable solution for modern power supply challenges.
Key features include an adjustable output voltage, internal MOSFETs for minimal component count, and thermal shutdown to protect against overheating. It also offers a high switching frequency, which enables the use of small inductors and capacitors, further reducing the overall solution footprint. The "EAE+T" suffix refers to the specific package type and tape-and-reel packaging. Overall, the MAX1644EAE+T is a versatile, reliable solution for modern power supply challenges.
Equivalent
The MAX1644EAE+T is a step-down DC-DC converter. Equivalent products include:
1. Texas Instruments TPS54331 – a 3A, 28V, step-down converter.
2. LM2675 from TI – a 1A, step-down voltage regulator.
3. LM2596 from ON Semiconductor – a 3A, step-down voltage regulator.
4. LT1767 from Analog Devices – a 1.25A, step-down switching regulator.
These equivalents may vary in specific features and performance parameters, so it’s important to review their datasheets for compatibility.
1. Texas Instruments TPS54331 – a 3A, 28V, step-down converter.
2. LM2675 from TI – a 1A, step-down voltage regulator.
3. LM2596 from ON Semiconductor – a 3A, step-down voltage regulator.
4. LT1767 from Analog Devices – a 1.25A, step-down switching regulator.
These equivalents may vary in specific features and performance parameters, so it’s important to review their datasheets for compatibility.
Features
The MAX1644EAE+T is a high-efficiency, step-down DC-DC converter designed by Maxim Integrated. Key features include a wide input voltage range of 4.5V to 28V, allowing versatility in various applications. It provides a fixed output voltage of 3.3V or an adjustable output, making it adaptable for different requirements. The device is capable of delivering up to 4A of output current, making it suitable for powering moderate to high-power loads.
The MAX1644EAE+T employs a synchronous rectification technique to achieve high efficiency, which minimizes power loss and extends battery life in portable applications. Its high switching frequency, up to 1MHz, enables the use of smaller external components, reducing the overall solution size.
Additional features include internal compensation, soft-start, overcurrent protection, and thermal shutdown, ensuring reliable and safe operation. The device comes in a 16-pin QSOP package, which provides a compact footprint for space-constrained applications. These features make it ideal for use in a variety of applications, including portable devices, distributed power systems, and point-of-load power supplies.
The MAX1644EAE+T employs a synchronous rectification technique to achieve high efficiency, which minimizes power loss and extends battery life in portable applications. Its high switching frequency, up to 1MHz, enables the use of smaller external components, reducing the overall solution size.
Additional features include internal compensation, soft-start, overcurrent protection, and thermal shutdown, ensuring reliable and safe operation. The device comes in a 16-pin QSOP package, which provides a compact footprint for space-constrained applications. These features make it ideal for use in a variety of applications, including portable devices, distributed power systems, and point-of-load power supplies.
Pinout
The MAX1644EAE+T is a high-efficiency, step-down DC-DC converter designed by Maxim Integrated. It typically comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. This device is used for step-down switching power supply applications, providing a regulated output voltage from an unregulated input voltage source.
Key functions of the MAX1644EAE+T include:
1. Step-Down Conversion: Converts a higher input voltage to a lower, regulated output voltage.
2. High Efficiency: Optimized for efficiency, often exceeding 90% depending on operating conditions.
3. Adjustable Output: Offers adjustable output voltages through external resistors.
4. Synchronization: Incorporates a synchronization pin for frequency matching with an external clock.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start capabilities to protect the device and load.
6. Shutdown Mode: Offers a low-power shutdown mode to minimize power consumption when not in use.
This combination of features makes it suitable for applications in portable devices, telecommunications, and other electronics requiring efficient power management.
Key functions of the MAX1644EAE+T include:
1. Step-Down Conversion: Converts a higher input voltage to a lower, regulated output voltage.
2. High Efficiency: Optimized for efficiency, often exceeding 90% depending on operating conditions.
3. Adjustable Output: Offers adjustable output voltages through external resistors.
4. Synchronization: Incorporates a synchronization pin for frequency matching with an external clock.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and soft-start capabilities to protect the device and load.
6. Shutdown Mode: Offers a low-power shutdown mode to minimize power consumption when not in use.
This combination of features makes it suitable for applications in portable devices, telecommunications, and other electronics requiring efficient power management.
Manufacturer
The MAX1644EAE+T is manufactured by Analog Devices, Inc. This company is a leading global high-performance semiconductor company that designs, manufactures, and markets a broad portfolio of integrated circuits and solutions. Their products are used in analog and digital signal processing applications across various industries, including automotive, communications, consumer electronics, industrial, and healthcare sectors. Analog Devices is known for its innovation in the field of data conversion and signal processing technology, offering a wide range of products such as amplifiers, converters, power management solutions, and more.
Application
The MAX1644EAE+T is a step-down (buck) DC-DC converter, ideal for power management applications. It is used in battery-powered devices, portable equipment, and telecommunications systems requiring efficient voltage regulation. Its key features include a wide input voltage range, high efficiency, and low quiescent current, making it suitable for extending battery life in smartphones, laptops, and other portable electronics. Additionally, it can be used in industrial systems and embedded systems that require reliable power conversion and regulation. Its compact design and thermal-efficient operation make it a strong candidate for space-constrained applications.
Package
The MAX1644EAE+T is a part of the MAX1644 series, provided in an 8-pin SOIC (Small Outline IC) package with the "+T" indicating it is supplied in a tape and reel format, which is suitable for automated surface-mount assembly.
