Overview
The MAX809SQ293T1G is a voltage supervisor circuit produced by onsemi, designed to monitor the supply voltage (VCC) in digital systems and provide a reset signal to the host processor when necessary. This component is part of the MAX809 series, which are cost-effective system supervisor circuits. The MAX809SQ293T1G is specifically tailored for applications requiring precise voltage monitoring and reset functionality.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | onsemi |
| Number of Supervisors | 1 |
| Output Driver | Active Low, Push-Pull |
| Mounting Type | Surface Mount |
| Package Type | SC-70/SOT-323 |
| Pin Count | 3 |
| Dimensions | 2.2 x 1.35 x 0.9mm |
| Maximum Monitored Voltage | 3V |
| Maximum Operating Supply Voltage | 5.5 V |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +105 °C |
| Minimum Operating Supply Voltage | 1.2 V |
| Minimum Monitored Voltage | 2.93V |
| Maximum Reset Active Time | 460ms |
Key Features
- Precision VCC monitoring for supplies from 1.2 V to 4.9 V, available in 100 mV steps.
- Low supply current of 0.5 µA (VCC = 3.2 V), making it suitable for battery-powered applications.
- Guaranteed minimum power-on reset pulse widths (1 ms, 20 ms, 100 ms, and 140 ms).
- RESET output guaranteed to VCC = 1.0 V.
- Compatible with hot plug applications and VCC transient immunity.
- No external components required.
- Wide operating temperature range: -40°C to +105°C).
Applications
The MAX809SQ293T1G is designed for use in various applications, including:
- Desktop, laptop, and notebook computers.
- Test and measurement instruments.
- Portable battery-powered equipment).
- Multiple-output power supplies).
- Any digital system requiring precise supply voltage monitoring and reset functionality).
Q & A
- What is the primary function of the MAX809SQ293T1G?
The primary function of the MAX809SQ293T1G is to monitor the supply voltage (VCC) in digital systems and provide a reset signal to the host processor when necessary).
- What is the package type of the MAX809SQ293T1G?
The package type of the MAX809SQ293T1G is SC-70/SOT-323).
- What is the operating temperature range of the MAX809SQ293T1G?
The operating temperature range of the MAX809SQ293T1G is -40°C to +105°C).
- What is the minimum and maximum operating supply voltage for the MAX809SQ293T1G?
The minimum operating supply voltage is 1.2 V, and the maximum operating supply voltage is 5.5 V).
- Does the MAX809SQ293T1G require external components?
No, the MAX809SQ293T1G does not require external components).
- What is the typical supply current of the MAX809SQ293T1G?
The typical supply current of the MAX809SQ293T1G is 0.5 µA (VCC = 3.2 V)).
- What are the guaranteed minimum power-on reset pulse widths for the MAX809SQ293T1G?
The guaranteed minimum power-on reset pulse widths are 1 ms, 20 ms, 100 ms, and 140 ms).
- Is the MAX809SQ293T1G compatible with hot plug applications?
Yes, the MAX809SQ293T1G is compatible with hot plug applications).
- What is the reset output configuration of the MAX809SQ293T1G?
The reset output configuration of the MAX809SQ293T1G is active-low, push-pull).
- What is the maximum reset active time for the MAX809SQ293T1G?
The maximum reset active time for the MAX809SQ293T1G is 460 ms).
