MAX638 (5)
The MAX638 series is available from Analog Devices Inc. at Xecor. Designed for step-down voltage regulation, the MAX638 offers adjustable output voltage (fixed at 5V), a wide input voltage range of 2.2V to 16.5V, and a compact 8-SOIC package. With a switching frequency of 65kHz and low power consumption, it is ideal for portable electronics, industrial systems, and battery-powered applications. Whether used in telecommunications, automotive, or consumer electronics, this series ensures reliable performance and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices Inc.. Please view our extensive selection of the MAX638 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX638AESA | CMOS technology for reliable performance | SOIC-Narrow-8 | 2,280 | |
| MAX638ACSA+ | 5V Adjustable, CMOS, Step-Down Switching Regulator | SOIC N-8 | 6,850 | |
| MAX638AMJA/883B | 5V Adjustable, CMOS, Step-Down Switching Regulator | CDIP N-8 | 4,180 | |
| MAX638ACSA+T | Ideal for applications requiring efficient power conversion | SOIC-Narrow-8 | 6,362 | |
| MAX638ACPA+ | 5V Adjustable, CMOS, Step-Down Switching Regulator | 8-DIP (0.300", 7.62mm) | 2,209 |
Key Featrues
Adjustable/Fixed Output Voltage (1.31V to 5V): The regulator offers both adjustable and fixed output voltage options, allowing flexibility in design to meet specific voltage requirements. This feature enhances its adaptability across various applications, from low-power devices to systems requiring precise voltage control.
Wide Input Voltage Range (2.2V to 16.5V): With an input voltage range of 2.2V to 16.5V, this regulator can efficiently step down higher input voltages to lower output levels. This makes it suitable for battery-powered devices and systems with fluctuating power sources, improving reliability and performance.
High Switching Frequency (65 kHz): The 65 kHz switching frequency ensures efficient power conversion with minimal energy loss, reducing heat generation and improving overall system efficiency. This feature is particularly beneficial in compact designs where thermal management is critical.
Single Output Configuration: The single output design simplifies circuit integration and reduces component count, making it ideal for applications where space and cost are constraints. This feature is particularly useful in portable electronics and embedded systems.
Surface Mount Package (8-SOIC): The 8-SOIC surface mount package enables easy integration into modern PCB designs, saving space and simplifying assembly processes. Its compact size and robust construction make it suitable for high-density and automated manufacturing environments.
Wide Input Voltage Range (2.2V to 16.5V): With an input voltage range of 2.2V to 16.5V, this regulator can efficiently step down higher input voltages to lower output levels. This makes it suitable for battery-powered devices and systems with fluctuating power sources, improving reliability and performance.
High Switching Frequency (65 kHz): The 65 kHz switching frequency ensures efficient power conversion with minimal energy loss, reducing heat generation and improving overall system efficiency. This feature is particularly beneficial in compact designs where thermal management is critical.
Single Output Configuration: The single output design simplifies circuit integration and reduces component count, making it ideal for applications where space and cost are constraints. This feature is particularly useful in portable electronics and embedded systems.
Surface Mount Package (8-SOIC): The 8-SOIC surface mount package enables easy integration into modern PCB designs, saving space and simplifying assembly processes. Its compact size and robust construction make it suitable for high-density and automated manufacturing environments.
Applications
Portable Battery-Powered Devices: The MAX638 is well-suited for portable battery-powered devices, such as handheld meters or medical instruments, where efficient step-down voltage regulation is required. Its ability to operate with an input voltage range of 2.2V to 16.5V and provide a stable output voltage makes it ideal for extending battery life and ensuring reliable performance in compact, low-power applications.
Industrial Control Systems: This buck switching regulator is ideal for industrial control systems that require precise voltage regulation for sensors, actuators, or microcontrollers. Its adjustable output voltage (1.31V to 16V) and robust design allow it to operate reliably in harsh environments with temperatures ranging from -40°C to 85°C, ensuring consistent performance in automation and process control applications.
Embedded Systems: The MAX638 is a great choice for embedded systems, such as IoT devices or microcontroller-based projects, where space and power efficiency are critical. Its compact 8-SOIC package and low switching frequency of 65kHz make it suitable for integration into small form-factor designs while providing stable power to low-power components like sensors or communication modules.
Automotive Electronics: This regulator can be used in automotive electronics, such as infotainment systems or dashboard displays, where it provides efficient voltage conversion from the vehicle's battery to power sensitive components. Its wide input voltage range and ability to handle transient voltages make it suitable for automotive environments, ensuring reliable operation under varying load conditions.
Industrial Control Systems: This buck switching regulator is ideal for industrial control systems that require precise voltage regulation for sensors, actuators, or microcontrollers. Its adjustable output voltage (1.31V to 16V) and robust design allow it to operate reliably in harsh environments with temperatures ranging from -40°C to 85°C, ensuring consistent performance in automation and process control applications.
Embedded Systems: The MAX638 is a great choice for embedded systems, such as IoT devices or microcontroller-based projects, where space and power efficiency are critical. Its compact 8-SOIC package and low switching frequency of 65kHz make it suitable for integration into small form-factor designs while providing stable power to low-power components like sensors or communication modules.
Automotive Electronics: This regulator can be used in automotive electronics, such as infotainment systems or dashboard displays, where it provides efficient voltage conversion from the vehicle's battery to power sensitive components. Its wide input voltage range and ability to handle transient voltages make it suitable for automotive environments, ensuring reliable operation under varying load conditions.
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