LTC2900-2CDD#TRPBF

Product Overview

Category

The LTC2900-2CDD#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for monitoring and controlling power supply voltages in various electronic systems. It provides accurate voltage supervision, enabling efficient power management and protection against undervoltage and overvoltage conditions.

Characteristics

• Accurate voltage monitoring: The LTC2900-2CDD#TRPBF offers precise voltage threshold detection, ensuring reliable power supply supervision.
• Low power consumption: This IC consumes minimal power during operation, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a broad voltage range, accommodating different power supply requirements.
• Small package size: The LTC2900-2CDD#TRPBF is available in a compact package, allowing for space-efficient integration into electronic systems.
• Robust design: It features built-in protection mechanisms to withstand harsh environmental conditions and prevent damage to the device.

Package and Quantity

The LTC2900-2CDD#TRPBF is packaged in a small form factor 8-pin DFN (Dual Flat No-Lead) package. It is typically supplied in reels, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Threshold Accuracy: ±1.5%
• Quiescent Current: 10µA (typical)
• Response Time: 300µs (typical)
• Output Type: Active-Low Open-Drain

Pin Configuration

The LTC2900-2CDD#TRPBF has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Supply Voltage (VCC) --| VIN GND |-- Pin 2: Voltage Input (VIN) --| GND GND |-- Pin 3: Ground (GND) --| NC GND |-- Pin 4: Not Connected (NC) --| GND GND |-- Pin 5: Ground (GND) --| FLT GND |-- Pin 6: Fault Output (FLT) --| GND GND |-- Pin 7: Ground (GND) --| OUT GND |-- Pin 8: Output (OUT) |___________| ```

Functional Features

• Undervoltage and Overvoltage Monitoring: The LTC2900-2CDD#TRPBF continuously monitors the input voltage and generates an active-low fault output when it falls below or exceeds the programmed threshold levels.
• Adjustable Threshold Levels: The device allows users to set the desired undervoltage and overvoltage thresholds using external resistors, providing flexibility in power supply monitoring.
• Hysteresis Control: It incorporates hysteresis to prevent false triggering caused by voltage fluctuations near the threshold levels, ensuring stable and reliable operation.
• Open-Drain Output: The fault output is an open-drain configuration, allowing easy interfacing with other devices and enabling flexible system-level designs.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable power supply supervision.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range accommodates different power supply requirements.
• Compact package size enables space-efficient integration.
• Robust design withstands harsh environmental conditions.

Disadvantages

• Requires external resistors for threshold level adjustment.
• Limited fault output options (only active-low open-drain).

Working Principles

The LTC2900-2CDD#TRPBF operates by comparing the input voltage (VIN) with the programmed threshold levels. When the voltage falls below the undervoltage threshold or exceeds the overvoltage threshold, the fault output (FLT) is activated, indicating a power supply fault condition. The device incorporates hysteresis to prevent false triggering caused by voltage fluctuations near the threshold levels.

Application Field Plans

The LTC2900-2CDD#TRPBF finds applications in various fields where accurate power supply monitoring and protection are essential. Some potential application areas include:

1. Industrial Control Systems: It can be used to monitor power supply voltages in industrial control systems, ensuring stable operation and preventing damage due to voltage fluctuations.
2. Automotive Electronics: The IC can be employed in automotive electronics to supervise battery voltage and protect sensitive components from undervoltage and overvoltage conditions.
3. Consumer Electronics: It finds utility in consumer electronic devices such as smartphones, tablets, and laptops, providing reliable power management and enhancing overall system reliability.
4. Medical Devices: The LTC2900-2CDD