Overview
The MAX809SN293D2T1G is a microprocessor supervisory circuit designed by ON Semiconductor. This device is part of the MAX809 series, which is optimized for monitoring VCC in digital systems and providing a reset signal to the host processor when necessary. It is particularly suited for applications requiring low supply current and high reliability, making it ideal for battery-powered devices and other power-sensitive applications.
The MAX809SN293D2T1G features a precision VCC monitor with a fixed reset threshold voltage of 2.93V and a minimum power-on reset pulse width of 140ms. It is available in a compact SOT-23 package and operates over a wide temperature range of -40°C to 105°C, ensuring robust performance in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ON Semiconductor |
| Part Number | MAX809SN293D2T1G |
| Package | SOT-23-3 |
| Threshold Voltage | 2.93 V |
| Output Type | Active Low, Push-Pull |
| Reset Delay Time | 66 ms |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +105°C |
| Minimum Supply Voltage | 1.0 V |
| Maximum Supply Voltage | 5.5 V |
| Supply Current | 0.5 µA (VCC = 3.2 V) |
| Mounting Style | SMD/SMT |
Key Features
- Precision VCC monitoring for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V supplies
- Precision monitoring voltages from 1.2 V to 4.9 V available in 100 mV steps
- Four guaranteed minimum power-on reset pulse widths (1 ms, 20 ms, 100 ms, and 140 ms)
- Low supply current of 0.5 µA (VCC = 3.2 V)
- No external components required
- VCC transient immunity to reject fast transient glitches
- Compatible with hot plug applications
- Wide operating temperature range: -40°C to 105°C
- AEC-Q100 qualified for automotive applications
Applications
- Automotive power supply monitoring
- Computers: Desktop, Workstation, Server
- Controllers and industrial automation
- Critical microprocessor and microcontroller power monitoring
- Intelligent instruments and medical equipment
- Portable battery-powered equipment and consumer electronics
- Communication systems and embedded systems
Q & A
- What is the primary function of the MAX809SN293D2T1G?
The MAX809SN293D2T1G is a microprocessor supervisory circuit designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary.
- What is the reset threshold voltage of the MAX809SN293D2T1G?
The reset threshold voltage is 2.93 V.
- What is the minimum power-on reset pulse width of the MAX809SN293D2T1G?
The minimum power-on reset pulse width is 140 ms.
- What is the operating temperature range of the MAX809SN293D2T1G?
The operating temperature range is -40°C to 105°C.
- Does the MAX809SN293D2T1G require external components?
No, the MAX809SN293D2T1G does not require external components.
- What is the supply current of the MAX809SN293D2T1G at 3.2 V VCC?
The supply current is 0.5 µA at 3.2 V VCC.
- Is the MAX809SN293D2T1G compatible with hot plug applications?
- What types of applications is the MAX809SN293D2T1G suitable for?
The MAX809SN293D2T1G is suitable for automotive, computer, controller, critical microprocessor and microcontroller power monitoring, intelligent instruments, portable battery-powered equipment, and other applications requiring reliable power monitoring.
- What package types are available for the MAX809SN293D2T1G?
The MAX809SN293D2T1G is available in SOT-23-3 packages.
- Is the MAX809SN293D2T1G AEC-Q100 qualified?
