TPS3823-33DBVT

Product Overview

Category

The TPS3823-33DBVT belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

• Voltage threshold: 3.3V
• Low quiescent current: 10µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Adjustable power-on reset delay time
• Open-drain output
• Small package size: SOT-23-5

Package and Quantity

The TPS3823-33DBVT is available in a SOT-23-5 package. It is typically sold in reels of 3000 units.

Specifications

• Supply voltage range: 1.6V to 6.0V
• Reset threshold accuracy: ±2%
• Power-on reset delay time options: 100ms, 200ms, 400ms, or 800ms
• Operating current: 10µA (typical)
• Output type: Active-low, open-drain
• Maximum output sink current: 10mA
• Operating temperature range: -40°C to +125°C

Pin Configuration

The TPS3823-33DBVT has five pins arranged as follows:

```

---

| | --| VDD | --| GND | --| MR | --| RESET | --| VOUT | |_______| ```

• VDD: Supply voltage input
• GND: Ground reference
• MR: Manual reset input (active-low)
• RESET: Reset output (active-low)
• VOUT: Output voltage

Functional Features

• Power-on reset generation
• Monitoring of supply voltage
• Manual reset capability
• Open-drain reset output
• Adjustable power-on reset delay time

Advantages and Disadvantages

Advantages

• Low quiescent current consumption
• Wide operating temperature range
• Adjustable power-on reset delay time for flexibility
• Small package size for space-constrained applications

Disadvantages

• Limited maximum output sink current (10mA)

Working Principles

The TPS3823-33DBVT operates by continuously monitoring the supply voltage. It compares the voltage level with a fixed threshold value (3.3V in this case). If the voltage drops below the threshold, the device generates a reset signal. The power-on reset delay time can be adjusted to ensure stability during power-up.

Application Field Plans

The TPS3823-33DBVT finds applications in various electronic systems where voltage supervision is critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation
4. Automotive electronics
5. Power management systems
6. Battery-powered devices

Alternative Models

Here are some alternative models that offer similar functionality:

1. TPS3839-33DBVR
2. MAX823LEUK-T
3. ADM708TARZ
4. MCP130T-315I/TT

These alternatives can be considered based on specific requirements and availability.

In conclusion, the TPS3823-33DBVT is a voltage supervisor with adjustable power-on reset delay time, low quiescent current, and a small package size. It finds applications in various electronic systems where reliable voltage monitoring is essential.

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