DS1236A-10N

Product Overview

Category

The DS1236A-10N belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage monitoring and reset functions in electronic systems.

Characteristics

• Voltage monitoring: The DS1236A-10N provides accurate monitoring of power supply voltages.
• Reset function: It generates a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide range of input voltages, enhancing its versatility.
• Small package size: The DS1236A-10N comes in a compact package, enabling space-efficient integration into electronic systems.

Package and Quantity

The DS1236A-10N is available in a standard 8-pin DIP (Dual Inline Package). It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Threshold voltage options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 20µA (typical)
• Reset timeout period: 140ms (typical)

Pin Configuration

The DS1236A-10N has the following pin configuration:

____ VCC |1 8| GND RST |2 7| RESET MR |3 6| TH TO |4 5| TR ----

• VCC: Power supply voltage input
• RST: Reset output signal
• MR: Master reset input (active-low)
• TO: Timeout output signal
• TH: Threshold voltage selection input
• TR: Trigger input for manual reset

Functional Features

1. Voltage Monitoring: The DS1236A-10N continuously monitors the power supply voltage to ensure it remains within the desired range.
2. Reset Generation: When the monitored voltage falls below the specified threshold, the IC generates a reset signal to initiate system recovery.
3. Manual Reset: The trigger input (TR) allows for manual reset initiation, providing flexibility in system control.
4. Timeout Output: The timeout output (TO) indicates when the reset signal has been active for a predetermined period, enabling further system actions if required.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability and reliability.
• Low power consumption prolongs battery life in portable devices.
• Wide operating voltage range enhances compatibility with various power sources.
• Compact package size facilitates integration into space-constrained designs.

Disadvantages

• Limited threshold voltage options may not cater to all specific voltage requirements.
• Lack of advanced features compared to more specialized voltage monitoring ICs.

Working Principles

The DS1236A-10N operates by comparing the input voltage with the selected threshold voltage. If the input voltage drops below the threshold, the IC triggers a reset signal. This signal remains active until the input voltage rises above the threshold or a timeout period elapses. The timeout feature prevents the system from being stuck in a reset state indefinitely.

Application Field Plans

The DS1236A-10N finds applications in various electronic systems that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers: Ensuring stable power supply voltages for microcontroller-based systems is crucial for proper operation and data integrity.
2. Industrial Control Systems: Voltage monitoring and reset functions are essential in industrial control systems to prevent malfunctions and ensure safe operation.
3. Automotive Electronics: The DS1236A-10N can be used in automotive applications to monitor critical voltages and initiate system recovery in case of power supply issues.
4. Home Automation: Voltage monitoring is important in home automation systems to maintain reliable operation and protect connected devices.

Alternative Models

1. DS1236A-5N: Similar to DS1236A-10N but with a different threshold voltage range (5.0V, 4.75V, 4.38V, 3.63V, 3.38V, 3.08V).
2. DS1236A-15N: Similar to DS1236A-10N but with a different threshold voltage range (5.25V, 5.00V, 4.63V, 3.88V, 3.63V, 3.33V).

These alternative models provide options for different voltage monitoring requirements while maintaining similar functionality to the DS1236A-