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MAXIM INTEGRATED / ANALOG DEVICES MAX633ACSA Step-Up Switching Regulator

The MAX633 is a CMOS step-up switching regulator offering fixed output voltages of +5V, +12V, and +15V, or adjustable output via external resistors. It features high efficiency of around 80%, a low operating current of approximately 135A, built-in charge pump for negative voltage output, and minimal external components—just an inductor and output capacitor. Its bootstrap design allows startup from low voltages, making it suitable for portable, battery-powered applications, and uninterruptible power supplies. It provides stable high-efficiency power conversion with integrated low battery detection and noise reduction capabilities, ideal for compact and reliable systems.

Authorized Distributors
Source:Newark
Part No:MAX633ACSA+
Stock:81
Inv Date:06-05-2026
Price: Unit price: $6.74
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Source:DigiKey
Part No:MAX633ACSA+
Stock:250
Inv Date:06-05-2026
Price: Unit price: $8.63
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Part No:MAX633ACSA+
Stock:97
Inv Date:06-06-2026
Price: Unit price: $8.63
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Part No:MAX633ACSA
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES MAX633ACSA Step-Up Switching Regulator Specifications:

  • Output Voltages: Fixed +5V, +12V, +15V or adjustable with external resistors
  • Efficiency: Approximately 80%
  • Operating Current: About 135A
  • Input Voltage Range: Up to +18V
  • Output Ripple: Minimally affected with high-quality output capacitors
  • Built-in Charge Pump: For negative voltage output
  • External Components Needed: Inductor, output capacitor, optional feedback resistor, and diode
  • Power Dissipation: 625mW (Plastic DIP), 800mW (CERDIP)
  • Protection: Under-voltage lockout and thermal shutdown
  • Application Range: Portable instruments, low-power DC-DC conversion, uninterruptible power supplies

Buy the Maxim Integrated Series Step-Up Regulator: MAX633ACSA

Purchase the MAX633ACSA step-up switching regulator online today—engineered for high efficiency, reliable performance, and minimal external component requirements. Its fixed and adjustable output options, integrated charge pump, and low operating current make it ideal for portable and backup power systems. With built-in protections and an easy-to-use design, this regulator ensures stable power conversion for your critical applications. Order now to benefit from fast delivery and expert support, ensuring your project has the power reliability it needs.

Get MAX633ACSA today—built for precision and long-lasting durability in high-efficiency power applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX633ACSA?

You can click on the BUY or RFQ button to purchase MAX633ACSA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX633ACSA?

You can download the MAX633ACSA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX633ACSA?

MAXIM INTEGRATED / ANALOG DEVICES

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