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MAXIM INTEGRATED / ANALOG DEVICES DS123120 Power Monitor IC

The DS1231-20+ is an 8-pin DIP power monitor IC capable of detecting undervoltage conditions in power supplies. It provides early warnings of potential power failures by monitoring input voltages, facilitating secure shutdowns and preventing data loss or hardware damage. Featuring a temperature-compensated reference circuit, it ensures an orderly system restart after power is restored. The device generates warning signals prior to voltages exceeding tolerance limits and can be interfaced with opto-isolators for line isolation. Operating within 4.5V to 5.5V and 0°C to 70°C, it includes active-high and active-low reset outputs, with a VCC trip point at 4.62V, replacing the need for external reset circuitry and suitable for linear or switching power supplies.

Authorized Distributors
Source:DigiKey
Part No:DS1231-20+
Stock:243
Inv Date:06-05-2026
Price: Unit price: $14.67
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Part No:DS1231-20+
Stock:28
Inv Date:06-06-2026
Price: Unit price: $14.67
Buy/RFQ:
Part No:DS1231-20
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES DS123120 Power Monitor IC Specifications:

  • Voltage Detection Range: 4.5V to 5.5V
  • VCC Trip Point: 4.62V
  • Operating Temperature: 0°C to 70°C
  • Package: 8-pin DIP
  • Reset Outputs: Active-high and active-low (push-pull)
  • No external capacitors required
  • Compatible with linear and switching power supplies
  • Line isolation interface via opto-isolators
  • Temperature-compensated reference circuit ensures accurate voltage monitoring

Buy the DALLAS DS1231 U–Reliable Power Monitor for Industrial Applications

Secure your power management system today by purchasing the DALLAS DS1231-20+ power monitor online. This reliable IC detects undervoltage conditions early, providing crucial warning signals and automatic system restart functions. Its precision reference circuit and line isolation interface make it suitable for industrial applications requiring high reliability. Without external capacitors and compatible with both linear and switching power supplies, it ensures your system remains protected during transient conditions. Purchase now to enhance your system’s power stability and prevent data loss or hardware damage with guaranteed quality.

Order your DALLAS DS1231-20+ power monitor today and ensure your system’s power integrity with dependable undervoltage detection and system reset capabilities.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS123120?

You can click on the BUY or RFQ button to purchase DS123120 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS123120?

You can download the DS123120 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS123120?

MAXIM INTEGRATED / ANALOG DEVICES

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