MAX1876A (2)
The MAX1876A is available from Analog Devices Inc./Maxim Integrated at Xecor. Designed for dual, synchronized step-down DC-DC control, the MAX1876A offers 4.5V to 23V input range, 0 to 18V output voltage, and support for loads up to 10A or higher. Its 180° out-of-phase operation reduces input voltage ripple and RMS input current, while features like adjustable switching frequency, prebias startup, and power sequencing enhance flexibility and reliability. Available in a 24-QSOP package, it is ideal for broadband routers, telecom power supplies, servers, and FPGA/ASIC power applications. Whether used in set-top boxes, desknote computers, or network power supplies, this series ensures high efficiency, scalability, and robust performance for demanding applications. Xecor is an authorized distributor for Analog Devices Inc./Maxim Integrated. Please view our extensive selection of the MAX1876A series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX1876AEEG+ | Effortlessly regulate voltage levels with dual out-of-phase buck controllers | SSOP-24 | 6,482 | |
| MAX1876AEEG+T | Advanced DC/DC converter with fast switching frequency and low nois | SSOP-24 | 6,021 |
Key Featrues
Dual 180° Out-of-Phase Operation: By operating the two buck controllers 180° out of phase, this feature significantly reduces input voltage ripple and total RMS input ripple current. This results in improved power efficiency, reduced EMI, and better thermal performance, making it ideal for high-current applications like DSP and FPGA power supplies.
Adjustable Output Voltage (0V to 18V): The ability to adjust the output voltage from sub-1V to 18V provides versatility in powering a wide range of loads, including low-voltage ASICs and FPGAs. This feature ensures compatibility with various devices and optimizes power delivery for specific use cases.
Prebias Startup and Power Sequencing: The prebias startup capability (MAX1875A/MAX1876A) and power sequencing (MAX1858A) ensure safe and controlled power-up of sensitive loads. This is particularly beneficial in applications like set-top boxes and network power supplies, where improper startup could damage components or disrupt system operation.
Adjustable Switching Frequency (100kHz to 600kHz): The adjustable switching frequency allows designers to optimize the controller for specific efficiency, noise, and size requirements. This flexibility is crucial for applications like desknote computers and telecom power supplies, where balancing performance and thermal management is critical.
Applications
Desknote Computer Power Supply: The MAX1876A is well-suited for powering desknote computers, providing dual adjustable outputs to support various components such as CPUs, GPUs, and memory. Its prebias startup and sequencing features ensure smooth power-up sequences, enhancing system reliability and performance.
Telecom Power Supplies: The MAX1876A is perfect for telecom power supplies, offering robust voltage regulation and high current support for critical communication infrastructure. Its adjustable switching frequency and synchronization capabilities make it ideal for reducing noise and improving efficiency in telecom systems.
Set-Top Box Power Management: The MAX1876A is an excellent choice for set-top boxes, delivering precise voltage control for multiple subsystems. Its lossless foldback current limit and fixed-frequency PWM operation ensure stable power delivery, enhancing the performance and longevity of set-top box electronics.
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