DS1233Z-5/T&R

Product Overview

Category

The DS1233Z-5/T&R belongs to the category of supervisory circuits, specifically designed for monitoring power supply voltage levels.

Use

It is used to monitor the power supply voltage and reset the microcontroller or other digital systems in the event of a power failure or voltage drop below a predefined threshold.

Characteristics

• Package: The DS1233Z-5/T&R comes in a 8-pin SOIC (Small Outline Integrated Circuit) package.
• Essence: Its essence lies in providing reliable voltage monitoring and reset functionality.
• Packaging/Quantity: It is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

The DS1233Z-5/T&R operates over a wide voltage range from 4.5V to 5.5V and has a quiescent current of 40µA. It features a push-pull active-high RESET output and a watchdog timer with a timeout period of 1.6 seconds.

Detailed Pin Configuration

The pin configuration of DS1233Z-5/T&R is as follows: 1. VCC - Power Supply Input 2. GND - Ground 3. MR - Manual Reset Input 4. RESET - Active-Low Output 5. WDI - Watchdog Timer Input 6. NC - No Connection 7. GND - Ground 8. VCC - Power Supply Input

Functional Features

• Voltage Monitoring
• Manual Reset Input
• Watchdog Timer
• Push-Pull Active-Low Output

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• Low quiescent current
• Small form factor
• Reliable voltage monitoring

Disadvantages

• Limited timeout period for the watchdog timer
• Lack of adjustable voltage threshold

Working Principles

The DS1233Z-5/T&R monitors the power supply voltage using an internal voltage comparator. When the voltage drops below the preset threshold, the device asserts the active-low RESET signal, which can be used to reset the connected microcontroller or digital system.

Detailed Application Field Plans

The DS1233Z-5/T&R is commonly used in embedded systems, industrial control systems, automotive electronics, and power management applications where reliable voltage monitoring and reset functionality are essential.

Detailed and Complete Alternative Models

Some alternative models to DS1233Z-5/T&R include MAX1233, ADM1233, and MCP1233, each offering similar voltage monitoring and reset features with slight variations in specifications and package options.

In conclusion, the DS1233Z-5/T&R is a versatile supervisory circuit that provides reliable voltage monitoring and reset capabilities, making it an essential component in various electronic systems.

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