S-8261ABSMD-G3ST2U

Product Overview

Category

S-8261ABSMD-G3ST2U belongs to the category of voltage detectors and reset ICs.

Use

This product is primarily used for monitoring and controlling voltage levels in electronic circuits. It ensures proper functioning and protection of sensitive components by providing accurate voltage detection and reset functions.

Characteristics

• Voltage detection range: 0.9V to 6.0V
• Low current consumption: 0.7μA (typical)
• High accuracy voltage detection: ±1.0%
• Built-in delay circuit: adjustable from 1ms to 200ms
• Small package size: SOT-23-5
• RoHS compliant

Package and Quantity

The S-8261ABSMD-G3ST2U is available in a compact SOT-23-5 package. It is supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 0.9V to 6.0V
• Detection Voltage Accuracy: ±1.0%
• Quiescent Current: 0.7μA (typical), 1.0μA (maximum)
• Delay Time: Adjustable from 1ms to 200ms
• Power-On Reset Output: Active low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8261ABSMD-G3ST2U has a total of five pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| VIN RST |-- Pin 2: Voltage Input (VIN) --| NC VOUT|-- Pin 3: Not Connected (NC) --| NC VDD |-- Pin 4: Power Supply (VDD) --| NC GND |-- Pin 5: Ground (GND) |___________| ```

Functional Features

1. Voltage Detection: The S-8261ABSMD-G3ST2U accurately detects the input voltage and provides a reset signal when it falls below or rises above the specified threshold.
2. Adjustable Delay Circuit: It incorporates a built-in delay circuit that allows users to set the delay time according to their specific requirements.
3. Low Power Consumption: With a quiescent current of only 0.7μA, this IC minimizes power consumption, making it suitable for battery-powered applications.
4. Small Package Size: The SOT-23-5 package ensures space-efficient integration into compact electronic devices.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various electronic circuits.
• High accuracy voltage detection ensures reliable performance.
• Adjustable delay circuit offers flexibility in timing requirements.
• Low power consumption prolongs battery life.
• Compact package size facilitates easy integration.

Disadvantages

• Limited number of pins may restrict its use in complex systems requiring additional functionalities.
• Lack of detailed application examples in the datasheet may require additional research for specific use cases.

Working Principles

The S-8261ABSMD-G3ST2U operates by continuously monitoring the input voltage (VIN). When the voltage falls below or rises above the detection threshold, the IC triggers a reset signal (RST) to initiate a system reset or shutdown. The delay circuit allows for a programmable delay time before the reset signal is activated, preventing false triggering due to temporary voltage fluctuations.

Detailed Application Field Plans

The S-8261ABSMD-G3ST2U finds applications in various fields, including but not limited to:

1. Battery-Powered Devices: It ensures proper voltage monitoring and system reset in portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: The IC provides voltage supervision and reset functions in industrial automation equipment, ensuring reliable operation and preventing damage due to voltage irregularities.
3. Automotive Electronics: It plays a crucial role in automotive applications by monitoring the vehicle's electrical system voltage and initiating necessary actions in case of voltage deviations.
4. Power Management: The S-8261ABSMD-G3ST2U can be used in power supply units to monitor voltage levels and protect sensitive components from overvoltage or undervoltage conditions.

Detailed and Complete Alternative Models

1. S-8261ABDMD-G3ST2U: Similar to S-8261ABSMD-G3ST2U but with a different package (SOT-23-6).
2. S-8261ACBMD-G3ST2U: Offers additional features like adjustable detection voltage and built-in watchdog timer.
3. S-8261AADMD-G3ST2U: Provides a wider operating voltage range and higher accuracy voltage detection.