MAX6709EUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
  • Provides a reliable way to ensure proper operation of electronic systems by resetting them in case of power supply issues.
• Package: MicroMAX® SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6709EUB+T has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| THRESHOLD |-- Pin 3: Threshold Voltage Selection (THRESHOLD) --| MR |-- Pin 4: Manual Reset Input (MR) --| VCC |-- Pin 5: Power Supply (VCC) |___________| ```

Functional Features

• Voltage Monitoring: The MAX6709EUB+T continuously monitors the voltage level of the power supply connected to it.
• Reset Generation: When the voltage falls below the threshold set by the THRESHOLD pin, the MAX6709EUB+T generates a reset signal on the RESET OUT pin.
• Adjustable Timeout Period: The reset signal remains active for a user-adjustable timeout period, allowing sufficient time for the power supply to stabilize before releasing the reset.
• Manual Reset Input: The MR pin allows for manual resetting of the system, overriding the automatic reset generation.

Advantages and Disadvantages

Advantages: - Compact package size enables space-saving designs. - Wide supply voltage range allows compatibility with various power supply configurations. - Adjustable timeout period provides flexibility in different application scenarios. - Manual reset input offers additional control over the reset functionality.

Disadvantages: - Limited threshold voltage options may not cover all voltage monitoring requirements. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6709EUB+T operates by comparing the voltage at the THRESHOLD pin with the supply voltage (VCC). When the supply voltage falls below the threshold voltage, the internal circuitry triggers the generation of a reset signal on the RESET OUT pin. This reset signal remains active for the duration set by the user-adjustable timeout period. The MR pin allows for manual resetting of the system, overriding the automatic reset generation.

Detailed Application Field Plans

The MAX6709EUB+T finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and operation of these devices by providing a reset signal when the power supply is unstable.
2. Communication Systems: Preventing data corruption or loss by resetting communication modules during power supply fluctuations.
3. Industrial Control Systems: Safeguarding critical industrial processes by resetting control systems in case of power supply issues.
4. Automotive Electronics: Enhancing the reliability of automotive electronic systems by resetting them during voltage drops or transients.
5. Battery-Powered Devices: Protecting battery-powered devices from damage due to low voltage conditions by triggering a reset.

Detailed and Complete Alternative Models

1. MAX6710EUT+T: Similar functionality with adjustable threshold voltage options and a different package (SOT23-6).
2. MAX6711TEXS+T: Voltage monitor and reset circuit with integrated watchdog timer for enhanced system reliability.
3. MAX6715AUTSYD3+: Ultra-low power voltage monitor and reset circuit designed for battery-powered applications.
4. MAX6717AUKZGD3+: Dual voltage monitor and reset circuit with independent threshold voltage settings for two power supplies.
5. MAX6719AUTVDD3+: Voltage monitor and reset circuit specifically designed for monitoring the VDD supply in FPGA applications.

(Note: The above alternative models are provided for reference and may have different specifications and features. It is recommended to refer to the respective datasheets for detailed information.)

Word count: 623 words