S-8261AAUMD-G2UT2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Voltage Detector with Delay Circuit and Reset Output
• Package: SOT-23-5
• Essence: This IC is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage drops below a certain threshold.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Detection Voltage Range: 1.6V to 4.6V (in 0.1V steps)
• Detection Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 0.7μA (typical)

Detailed Pin Configuration

The S-8261AAUMD-G2UT2U IC has the following pin configuration:

| Pin Name | Description | |----------|-------------| | VDD | Power Supply Input | | GND | Ground | | RESET | Reset Output | | VIN | Voltage Input | | CT | Capacitor Connection for Delay Time Adjustment |

Functional Features

• Low Voltage Detection: Monitors the input voltage and generates a reset signal when it falls below the detection voltage threshold.
• Delay Circuit: Includes an internal delay circuit that prevents false resets caused by temporary voltage fluctuations.
• Reset Output: Provides a reset signal to the system when the voltage drops below the detection threshold.
• Wide Voltage Range: Supports a wide supply voltage range from 1.6V to 6.0V.
• Adjustable Detection Voltage: The detection voltage can be set in 0.1V steps within the range of 1.6V to 4.6V.
• Low Quiescent Current: Consumes only 0.7μA of current in standby mode, minimizing power consumption.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring and reset functionality. - Wide operating voltage range. - Adjustable detection voltage for flexibility. - Low quiescent current for power efficiency.

Disadvantages: - Limited detection voltage range (1.6V to 4.6V). - SOT-23-5 package may require careful handling during assembly.

Working Principles

The S-8261AAUMD-G2UT2U operates by continuously monitoring the input voltage (VIN). When the voltage drops below the detection voltage threshold, the internal delay circuit ensures that the drop is sustained for a specific period before generating a reset signal (RESET) to the system. This prevents false resets caused by temporary voltage fluctuations or noise.

Detailed Application Field Plans

The S-8261AAUMD-G2UT2U IC finds applications in various fields where reliable voltage monitoring and reset functionality are required. Some potential application areas include: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Home automation systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-8261AAUMD-G2UT2U IC are: - S-8261ABMD-G3JT2G: Low Voltage Detector with Delay Circuit and Reset Output, SOT-23-5 package. - S-8261ACMD-G3JT2G: Low Voltage Detector with Delay Circuit and Reset Output, SOT-23-5 package, wider detection voltage range. - S-8261ADMD-G3JT2G: Low Voltage Detector with Delay Circuit and Reset Output, SOT-23-5 package, lower quiescent current.

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

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