MAX6383LT29D1+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, adjustable threshold, small package size
• Package: SOT-23-6
• Essence: The MAX6383LT29D1+T is a voltage monitor and reset circuit designed for low-power applications. It provides accurate monitoring of the power supply voltage and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The MAX6383LT29D1+T is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: Adjustable from 1.8V to 4.63V in 100mV steps
• Reset Timeout Period: Fixed 140ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typ)

Pin Configuration

The MAX6383LT29D1+T has a total of 6 pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH VCC |-- Pin 3: Supply Voltage (VCC) --| GND GND |-- Pin 4: Ground (GND) --| TR GND |-- Pin 5: Threshold Input (TH) --| RESET GND |-- Pin 6: Ground (GND) |___________| ```

Functional Features

• Accurate monitoring of power supply voltage
• Adjustable threshold voltage for triggering the reset signal
• Low quiescent current for power-efficient operation
• Fixed reset timeout period to ensure proper system reset

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Adjustable threshold for flexibility - Low power consumption - Small package size for space-constrained applications

Disadvantages: - Fixed reset timeout period may not be suitable for all applications - Limited threshold voltage options in 100mV steps

Working Principles

The MAX6383LT29D1+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the programmed threshold, the reset output is activated, signaling a system reset. The threshold voltage can be adjusted using an external resistor connected to the TH pin.

Detailed Application Field Plans

The MAX6383LT29D1+T is commonly used in various low-power applications where accurate voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Battery-powered devices: Ensuring proper operation and safe shutdown when the battery voltage drops below a certain level.
2. Microcontroller systems: Providing a reliable reset signal to restart the system in case of power supply fluctuations or glitches.
3. Industrial control systems: Monitoring critical power supply voltages to prevent damage or data corruption during voltage dips or surges.
4. Automotive electronics: Resetting microcontrollers or other components when the vehicle's battery voltage becomes unstable.

Detailed and Complete Alternative Models

1. MAX6384LT29D1+T: Similar to MAX6383LT29D1+T but with a different reset timeout period.
2. MAX6385LT29D1+T: Voltage monitor and reset circuit with additional features like adjustable hysteresis and watchdog timer.
3. MAX6386LT29D1+T: Higher voltage range version of the MAX6383LT29D1+T for applications requiring a wider supply voltage range.

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