Overview
The MAX809TTRG is a microprocessor supervisory circuit produced by onsemi, designed to monitor power supplies in microprocessor and digital systems. This component is particularly suited for applications requiring low supply current, making it ideal for use in portable and battery-powered equipment. The MAX809TTRG is available in a 3-pin SOT-23 package and features a push-pull RESET output configuration.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | onsemi |
| Part Number | MAX809TTRG |
| Package | SOT-23-3 |
| Supply Current | 12μA |
| Reset Threshold Voltage | Varies by version (e.g., 2.5V, 3V, 3.3V, 5V) |
| Reset Active Timeout Period | 140ms (min), 240ms (typ), 560ms (max) |
| RESET Output Voltage Low | 0.3V (VCC = VTH min, ISINK = 1.2mA) |
| RESET Output Voltage High | 0.8VCC (VCC > VTH max, ISOURCE = 500µA) |
| Operating Temperature | -40°C to +105°C (SOT23), -40°C to +125°C (SC70) |
| Compliance | RoHS compliant, AEC-Q100 qualified |
Key Features
- Precision monitoring of +2.5V, +3V, +3.3V, and +5V power-supply voltages
- Low supply current of 12μA, ideal for portable and battery-powered equipment
- Push-pull RESET output configuration
- 140ms (min) power-on-reset pulse width
- Guaranteed reset valid to VCC = +1V
- No external components required
- Power supply transient immunity
- AEC-Q100 qualified for automotive applications
Applications
- Computers and computer peripherals
- Controllers and intelligent instruments
- Critical microprocessor and microcontroller power monitoring
- Portable and battery-powered equipment
- Automotive systems
Q & A
- What is the primary function of the MAX809TTRG?
The MAX809TTRG is a microprocessor supervisory circuit designed to monitor power supplies in microprocessor and digital systems.
- What package type is the MAX809TTRG available in?
The MAX809TTRG is available in a 3-pin SOT-23 package.
- What is the typical supply current of the MAX809TTRG?
The typical supply current is 12μA.
- What are the supported power-supply voltages for the MAX809TTRG?
The MAX809TTRG supports precision monitoring of +2.5V, +3V, +3.3V, and +5V power-supply voltages.
- What is the minimum power-on-reset pulse width of the MAX809TTRG?
The minimum power-on-reset pulse width is 140ms.
- Is the MAX809TTRG RoHS compliant?
- What is the operating temperature range of the MAX809TTRG?
The operating temperature range is -40°C to +105°C for SOT23 packages and -40°C to +125°C for SC70 packages.
- Does the MAX809TTRG require external components for operation?
No, the MAX809TTRG does not require external components for operation.
- Is the MAX809TTRG suitable for automotive applications?
- What types of systems can the MAX809TTRG be used in?
The MAX809TTRG can be used in computers, controllers, intelligent instruments, portable equipment, and automotive systems.
