SP809NEK-L-4-6/TR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high accuracy, reset output
• Package: SOT-23-5
• Essence: Monolithic CMOS IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.06V, 3.13V, 3.20V, 3.45V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP809NEK-L-4-6/TR has a total of 5 pins: 1. VDD: Supply voltage input 2. GND: Ground reference 3. MR: Manual reset input 4. RESET: Active-low reset output 5. VBAT: Backup supply voltage input (optional)

Functional Features

• Voltage monitoring and reset generation
• Precision voltage reference
• Power-on reset delay
• Manual reset input
• Low quiescent current consumption
• Small package size for space-constrained applications

Advantages

• Wide supply voltage range allows compatibility with various systems
• Accurate reset threshold voltage options cater to different requirements
• Multiple reset timeout period options provide flexibility in timing
• Low power consumption extends battery life in portable devices
• Small package size enables integration in compact designs

Disadvantages

• Limited number of reset threshold voltage and timeout period options
• Lack of additional advanced features compared to some competing models

Working Principles

The SP809NEK-L-4-6/TR is designed to monitor the supply voltage of a system and generate a reset signal when the voltage falls below a certain threshold. It utilizes a precision voltage reference to compare the supply voltage with the selected threshold voltage. The reset output remains active-low until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The SP809NEK-L-4-6/TR finds applications in various electronic systems where reliable voltage monitoring and reset generation are crucial. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Battery-powered devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. SP809NEK-L-2-7/TR: Similar to SP809NEK-L-4-6/TR but with different reset threshold voltage options (2.93V, 3.08V, 3.15V, 3.30V)
2. SP809NEK-L-5-0/TR: Similar to SP809NEK-L-4-6/TR but with a fixed reset threshold voltage of 5.0V
3. SP809NEK-L-3-3/TR: Similar to SP809NEK-L-4-6/TR but with different reset threshold voltage options (3.06V, 3.13V, 3.20V, 3.45V)
4. SP809NEK-L-1-8/TR: Similar to SP809NEK-L-4-6/TR but with different reset threshold voltage options (1.80V, 1.85V, 1.90V, 1.95V)

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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