DS1233-15

Product Overview

Category

DS1233-15 belongs to the category of integrated circuits (ICs).

Use

The DS1233-15 is commonly used as a voltage monitor and reset circuit in electronic devices.

Characteristics

• Voltage monitoring: The DS1233-15 monitors the supply voltage and provides a reset signal when it falls below a specified threshold.
• Reset circuit: It ensures that the microcontroller or other digital circuitry is properly reset after power-up or during voltage fluctuations.
• Low power consumption: The DS1233-15 operates with low power consumption, making it suitable for battery-powered applications.
• Small package size: It comes in a compact package, allowing for space-efficient integration into electronic designs.
• Reliable performance: The DS1233-15 offers reliable voltage monitoring and reset functionality, ensuring stable operation of the connected circuitry.

Package and Quantity

The DS1233-15 is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 4.63V
• Reset Timeout Period: 150ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DS1233-15 has the following pin configuration:

```

---

| | --|1 8|-- VCC --|2 7|-- GND --|3 6|-- RESET --|4 5|-- MR |___________| ```

Pin Description: 1. VCC: Power supply input 2. GND: Ground reference 3. RESET: Output reset signal 4. MR: Manual reset input

Functional Features

1. Voltage Monitoring: The DS1233-15 continuously monitors the supply voltage and compares it to the preset threshold.
2. Reset Signal Generation: When the supply voltage falls below the threshold, the DS1233-15 generates a reset signal to ensure proper initialization of the connected circuitry.
3. Manual Reset Capability: The MR pin allows for manual reset control, enabling external intervention if required.
4. Timeout Period: The DS1233-15 includes a timeout feature that ensures the reset signal is not held indefinitely in case of a prolonged voltage drop.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Low power consumption
• Compact package size for space-efficient integration
• Manual reset capability for flexibility

Disadvantages

• Limited reset timeout period may not be suitable for certain applications requiring longer reset times
• Single threshold voltage may not cater to all voltage monitoring requirements

Working Principles

The DS1233-15 operates by continuously monitoring the supply voltage using an internal voltage comparator. When the voltage falls below the preset threshold, the reset output is activated, ensuring a proper reset of the connected circuitry. The timeout feature prevents the reset signal from being held indefinitely, providing stability during voltage fluctuations.

Application Field Plans

The DS1233-15 finds application in various electronic devices where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial automation systems - Consumer electronics

Alternative Models

Below are some alternative models that offer similar functionality to the DS1233-15:

1. MAX1233: Manufactured by Maxim Integrated, this IC provides voltage monitoring and reset functions with adjustable threshold levels.
2. LTC1233: Offered by Linear Technology, this IC features a wider operating temperature range and additional power-saving modes.
3. MCP1233: Produced by Microchip Technology, this IC offers enhanced flexibility with programmable reset timeout periods.

These alternative models can be considered based on specific application requirements and desired features.

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