SP708SCU-L/TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-5
• Essence: Monitors voltage levels and provides reset signals to microcontrollers or other digital systems.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.0µA (typical)

Pin Configuration

The SP708SCU-L/TR is a 5-pin device with the following pinout:

1. GND (Ground)
2. MR (Manual Reset Input)
3. VCC (Supply Voltage)
4. RESET (Reset Output)
5. RESET (Open Drain Output)

Functional Features

• Monitors supply voltage and asserts reset signal when it falls below the threshold voltage.
• Provides manual reset capability through the MR pin.
• Open drain output allows for easy interfacing with different microcontrollers.
• Low quiescent current makes it suitable for battery-powered applications.

Advantages

• Wide supply voltage range enables compatibility with various systems.
• Precision monitoring ensures reliable operation of digital systems.
• Low power consumption prolongs battery life in portable devices.
• Small package size (SOT-23-5) saves board space.

Disadvantages

• Limited threshold voltage options may not cover all voltage requirements.
• Lack of adjustable timeout period may not suit all application needs.

Working Principles

The SP708SCU-L/TR operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the reset output is asserted, indicating a power failure or an out-of-range condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Application Field Plans

The SP708SCU-L/TR finds applications in various fields, including:

1. Embedded Systems: Provides reliable reset signals to microcontrollers, ensuring proper initialization after power-up.
2. Industrial Control: Monitors power supply voltages in control systems, preventing erratic behavior during voltage fluctuations.
3. Automotive Electronics: Ensures stable operation of automotive electronic modules by resetting them when the supply voltage drops below the specified level.
4. Consumer Electronics: Protects sensitive digital circuits from voltage dips, enhancing the overall reliability of devices.

Alternative Models

• SP708SCU-L
• SP708SCU-T
• SP708SCU-L/TRG
• SP708SCU-L/TRH

These alternative models offer similar functionality but may have different package options or additional features.

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