DS1233M-3+

Supervisors Overview

The DS1233M-3+ is a single-channel voltage supervisor IC from the EconoReset series by Analog Devices Inc./Maxim Integrated. It monitors one input voltage with a threshold of 2.72V and provides an active low reset signal via an open drain or open collector output. The device features a minimum reset timeout of 200ms and operates within a supply voltage range of 1.2V to 5V. It is housed in a TO-92-3 through-hole package and supports an operating temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Provides simple reset and power-fail detection for single-supply systems
• Features open-drain/open-collector output compatible with various logic families
• Includes power-fail comparator for data protection during voltage drops

Supervisors Applications

• Microprocessor system supervision
• Data protection during power failures
• Embedded controller reset generation

Supervisors Procurement Notes

Verify the specific suffix 'M' indicates the plastic TO-92 package variant distinct from other package types. Confirm RoHS compliance status as indicated in official documentation. Ensure the active low reset polarity matches system requirements. Check for obsolescence notices as some variants may be scheduled for discontinuation.

Supervisors Selection Notes

Select this component when a single-channel supervisor with a fixed 2.72V threshold is required. The TO-92-3 package suits through-hole prototyping or low-volume production. Verify that the 200ms minimum reset delay meets system startup timing constraints. Ensure the open-drain output can drive the required load current for the target logic interface.

Supervisors Part Context

The DS1233A/M series belongs to Maxim's EconoReset family, designed for cost-sensitive applications requiring basic power management. These devices integrate a voltage monitor, reset generator, and battery changeover circuitry into a compact three-pin package. The M-3+ variant specifically denotes the plastic TO-92 housing version of this supervisory circuit.

Supervisors Replacement Considerations

DS1233A-10+