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MAXIM INTEGRATED / ANALOG DEVICES MAX629ESA High-Voltage DC-DC Converter

The MAX629ESA+ low-power high-voltage DC-DC converter features an internal N-channel MOSFET switch with programmable current limiting, designed to generate positive or negative voltages up to ±28V from input voltages as low as 0.8V. It supports various configurations such as boost, flyback, and SEPIC topologies with high efficiency ensured by pulse-frequency modulation control. Its 0.5A internal switch and switching frequency of up to 300kHz enable compact, surface-mount magnetic components. The device is ideal for powering LCD bias, varactor tuning, and battery-powered electronics, consuming about 80µA during operation and less than 1µA in shutdown.

Authorized Distributors
Source:Newark
Part No:MAX629ESA+
Stock:2
Inv Date:06-05-2026
Price: Unit price: $1.53
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Source:DigiKey
Part No:MAX629ESA+
Stock:504
Inv Date:06-05-2026
Price: Unit price: $12.11
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Part No:MAX629ESA+
Stock:473
Inv Date:06-06-2026
Price: Unit price: $12.11
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Part No:MAX629ESA
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES MAX629ESA High-Voltage DC-DC Converter Specifications:

  • Input Voltage Range: 0.8V to VOUT (up to 28V)
  • Output Voltage: ±28V (positive or negative bias)
  • Internal N-Channel MOSFET Switch: 0.5A, 28V
  • Switching Frequency: Up to 300kHz
  • Supply Current: 80µA (operational), 1µA (shutdown)
  • Max Current Limit: Programmable via ISET pin (250mA or 500mA)
  • Package: 8-pin SO
  • Operating Temperature: -40°C to +85°C
  • Dimensions: Compact surface-mount configuration
  • Application: LCD bias, varactor diode bias, battery-powered devices

Buy the Maxim MAX629ESA – Reliable High-Voltage DC-DC Converter for Industrial Applications

Purchase the Maxim MAX629ESA high-voltage, low-power DC-DC converter online now. Featuring internal MOSFET switch, adjustable current limiting, and high efficiency, it’s ideal for powering LCD biases, varactor tuning, and battery-operated electronics. Its compact 8-pin SO package and switching frequency up to 300kHz enable small, efficient designs. With typical supply current of only 80 microamps during operation and less than 1 microamp in shutdown, this converter provides reliable, long-lasting performance for your power management needs. Order online today for fast delivery and premium quality.

Get Maxim MAX629ESA today—built for precision and long-lasting durability in high-voltage power management applications.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX629ESA?

You can click on the BUY or RFQ button to purchase MAX629ESA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX629ESA?

You can download the MAX629ESA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX629ESA?

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