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MAX809JTRG
+物料清單IC SUPERVISOR 1 CHANNEL SOT23-3
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製造商部分 #MAX809JTRG
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規格
| 屬性 | 價值 |
| Part Status | Obsolete |
| Digi Key Programmable | Not Verified |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | -40°C ~ 105°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 (TO-236) |
| Base Product Number | MAX809 |
概述
Description
The MAX809JTRG specifically offers a reset threshold of 2.93V, making it suitable for monitoring 3V supply voltages. When the monitored voltage falls below this threshold, the device issues a reset signal to ensure that the microprocessor or microcontroller is in a known state, preventing erratic operation. The reset signal is typically active low and remains asserted for a fixed period after the voltage returns to a safe level.
The device is housed in a small SOT-23 package, allowing for compact and space-efficient designs. It is widely used in applications such as embedded systems, portable electronics, and industrial equipment, where reliable operation and power management are critical. The MAX809 series is valued for its simplicity, reliability, and effectiveness in safeguarding electronic systems.
Equivalent
Features
1. Reset Functionality: It provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions to ensure proper operation.
2. Voltage Monitoring: The device monitors the supply voltage and generates a reset signal if the voltage drops below a preset threshold.
3. Low Supply Current: It typically consumes a low current, which is beneficial for battery-operated devices.
4. Precision Monitoring: It offers precise voltage monitoring with a typical threshold accuracy.
5. Reset Timeout Period: Includes a fixed timeout delay after the supply voltage returns to an acceptable range to ensure system stability.
6. Small Package: The MAX809JTRG is available in small packages, making it suitable for applications with space constraints.
7. No External Components Required: It simplifies design by not requiring external components for operation.
These features make the MAX809JTRG ideal for ensuring reliable operation in a wide range of electronic applications.
Pinout
1. GND (Ground): This pin is used to connect the IC to the ground of the circuit.
2. VCC (Supply Voltage): This pin is connected to the system's power supply voltage that is being monitored.
3. RESET (Output): This pin provides the reset output signal. It asserts a reset signal to the microprocessor when the supply voltage drops below the specified threshold, ensuring proper startup and operation of the system. Once the voltage returns to an acceptable level, the reset signal is de-asserted after a fixed timeout period.
The MAX809JTRG is typically used to monitor supply voltages and provide a reset function to ensure reliable operation of microprocessors and similar systems.
Manufacturer
Application
1. Consumer Electronics: Ensures stable operation of gadgets like smartphones and tablets by preventing system crashes and data corruption.
2. Industrial Automation: Provides reliable reset functionality for PLCs and control systems.
3. Automotive Systems: Enhances the reliability of infotainment and engine control units.
4. Networking Equipment: Maintains uptime for routers and switches by monitoring voltage levels.
5. Medical Devices: Ensures critical operations by supervising microcontroller functions.
Its low power consumption and compact size make it versatile for space-constrained applications.