Overview
The MAX803SQ308T1G is a microprocessor reset circuit manufactured by ON Semiconductor. This component is designed to monitor power supply voltage in digital systems, ensuring that the microcontroller or digital system resets properly in case of voltage fluctuations. It features a fixed reset threshold of 3.08V and is available in a compact SC-70-3 (SOT-323) package, making it ideal for applications where space is limited. The MAX803SQ308T1G is part of the MAX803 series, known for its low quiescent current consumption and wide operating temperature range, making it suitable for various industries including industrial control systems, automotive electronics, consumer devices, and medical equipment.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | ON Semiconductor | Package | SC-70-3 (SOT-323) |
| Threshold Voltage | 3.08 V | Output Type | Active Low, Open Drain |
| Reset Delay Time | 460 ms | Max Supply Voltage | 5.5 V |
| Minimum Operating Temperature (°C) | -40 | Maximum Operating Temperature (°C) | +105 |
| Supply Current | 12 μA | Power-On Reset Pulse Width | 140 ms (min) |
| RoHS Status | Lead free / RoHS Compliant | Watchdog Timer | No Watchdog |
Key Features
- Precision Monitoring: Monitors power supply voltages with a fixed reset threshold of 3.08V, ensuring proper system reset during voltage fluctuations.
- Output Options: Offers active-low push/pull or open-drain output, suitable for various interfacing scenarios.
- Reset Timeout Adjustability: Allows customization of the reset timeout period, providing flexibility in different applications.
- Wide Supply Range: Operates efficiently within a wide voltage range (1.15V to 5.5V), accommodating various power supply configurations.
- Low Quiescent Current: Minimal current consumption when not actively in use, conserving battery life in portable devices.
- No External Components Required: Simplifies design by eliminating the need for external components.
- VCC Transient Immunity: Provides immunity to power supply transients, ensuring reliable operation.
- AEC-Q100 Qualified: Suitable for automotive applications due to its AEC-Q100 qualification).
Applications
The MAX803SQ308T1G is versatile and finds applications in various sectors, including:
- Industrial Control Systems: Monitors and ensures the stability of industrial control systems).
- Automotive Electronics: Used in automotive systems due to its AEC-Q100 qualification and robust features).
- Consumer Devices: Suitable for consumer electronics requiring reliable power monitoring and reset functionality).
- Medical Equipment: Ensures the reliability and safety of medical devices by monitoring power supply voltages).
- Communications Gear and Power Supplies: Used in communication equipment and power supplies to ensure stable operation).
- Instrumentation and Safety Systems: Applied in various instrumentation and safety systems where reliable power monitoring is critical).
Q & A
- What is the primary function of the MAX803SQ308T1G?
The primary function of the MAX803SQ308T1G is to monitor the power supply voltage in digital systems and provide a reset signal to the host processor if the voltage falls below a specified threshold).
- What is the reset threshold voltage of the MAX803SQ308T1G?
The reset threshold voltage of the MAX803SQ308T1G is 3.08V).
- What type of package does the MAX803SQ308T1G come in?
The MAX803SQ308T1G comes in a SC-70-3 (SOT-323) package).
- What is the operating temperature range of the MAX803SQ308T1G?
The operating temperature range of the MAX803SQ308T1G is from -40°C to +105°C).
- Does the MAX803SQ308T1G require external components for operation?
No, the MAX803SQ308T1G does not require external components for operation).
- What is the typical supply current of the MAX803SQ308T1G?
The typical supply current of the MAX803SQ308T1G is 12 μA).
- Is the MAX803SQ308T1G RoHS compliant?
Yes, the MAX803SQ308T1G is RoHS compliant and lead-free).
- What are some common applications of the MAX803SQ308T1G?
The MAX803SQ308T1G is used in industrial control systems, automotive electronics, consumer devices, medical equipment, and power supplies).
- Does the MAX803SQ308T1G have a watchdog timer feature?
No, the MAX803SQ308T1G does not have a watchdog timer feature).
- What is the minimum power-on reset pulse width of the MAX803SQ308T1G?
The minimum power-on reset pulse width of the MAX803SQ308T1G is 140 ms).
