MIC809RYC3

Product Overview

Category

MIC809RYC3 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor and reset generator.

Characteristics

• Low supply current
• Precision voltage monitor
• Manual reset input
• Active-low reset output
• Power-on reset delay time: 140ms typical
• Open-drain reset output
• Operating temperature range: -40°C to +85°C
• Supply voltage range: 1.6V to 5.5V

Package

MIC809RYC3 is available in a SOT-23-3 package.

Essence

The essence of MIC809RYC3 lies in its ability to monitor the supply voltage and generate a reset signal when the voltage falls below a certain threshold.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 2.93V
• Reset Timeout Period: 140ms typical
• Quiescent Current: 1.0µA typical
• Manual Reset Input Voltage: 0.8V
• Reset Output Voltage (Low): 0.4V
• Reset Output Voltage (High): VDD - 0.4V

Detailed Pin Configuration

MIC809RYC3 has three pins:

1. VDD: Supply voltage pin.
2. GND: Ground reference pin.
3. MR: Manual reset input pin.

Functional Features

• Voltage monitoring: MIC809RYC3 continuously monitors the supply voltage and compares it with the preset threshold voltage.
• Reset generation: When the supply voltage drops below the threshold, the device generates an active-low reset signal.
• Manual reset input: The manual reset input pin allows for an external reset signal to override the internal monitoring.

Advantages and Disadvantages

Advantages

• Low supply current ensures minimal power consumption.
• Precision voltage monitoring provides accurate detection of voltage drops.
• Open-drain reset output allows for flexibility in interfacing with other devices.
• Wide operating temperature range enables usage in various environments.

Disadvantages

• Limited reset timeout period may not be suitable for all applications.
• SOT-23-3 package may have size constraints in certain designs.

Working Principles

MIC809RYC3 operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage falls below the threshold, the device triggers a reset signal. The reset signal remains active until the supply voltage rises above the threshold or a manual reset input is received.

Detailed Application Field Plans

MIC809RYC3 finds applications in various fields, including but not limited to: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Power management circuits 4. Battery-powered devices 5. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC809RYC3 are: 1. MAX809: Manufactured by Maxim Integrated. 2. ADM809: Manufactured by Analog Devices. 3. TPS3808: Manufactured by Texas Instruments. 4. MCP100: Manufactured by Microchip Technology.

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

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