LTC2922IF-3.3#TRPBF

Product Overview

Category

LTC2922IF-3.3#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply sequencing applications.

Characteristics

• Voltage monitoring: LTC2922IF-3.3#TRPBF provides accurate monitoring of input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of multiple voltage rails.
• Package: The LTC2922IF-3.3#TRPBF is available in a small 16-pin QFN package.
• Essence: This IC is designed to simplify voltage monitoring and sequencing tasks in electronic systems.
• Packaging/Quantity: The LTC2922IF-3.3#TRPBF is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

The LTC2922IF-3.3#TRPBF has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)
• Output Current: Up to 100mA
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The LTC2922IF-3.3#TRPBF features a 16-pin QFN package with the following pin configuration:

1. VIN1: Input voltage for channel 1
2. VIN2: Input voltage for channel 2
3. VIN3: Input voltage for channel 3
4. GND: Ground
5. EN1: Enable input for channel 1
6. EN2: Enable input for channel 2
7. EN3: Enable input for channel 3
8. GND: Ground
9. VOUT1: Output voltage for channel 1
10. VOUT2: Output voltage for channel 2
11. VOUT3: Output voltage for channel 3
12. GND: Ground
13. VCC: Supply voltage
14. GND: Ground
15. GND: Ground
16. GND: Ground

Functional Features

The LTC2922IF-3.3#TRPBF offers the following functional features:

• Voltage Monitoring: It provides accurate monitoring of input voltages, ensuring they remain within specified limits.
• Power Supply Sequencing: The IC enables proper power-up and power-down sequencing of multiple voltage rails, preventing potential damage to sensitive components.
• Enable Inputs: The enable inputs allow individual control of each channel, facilitating flexible power management.
• Low Quiescent Current: With a typical quiescent current of only 20µA, the LTC2922IF-3.3#TRPBF minimizes power consumption.

Advantages and Disadvantages

Advantages

• Simplifies voltage monitoring and sequencing tasks in electronic systems.
• Accurate voltage monitoring ensures system stability and reliability.
• Enables proper power-up and power-down sequencing, protecting sensitive components.
• Low quiescent current reduces power consumption.

Disadvantages

• Limited output current capacity (up to 100mA).
• Restricted input voltage range (2.7V to 5.5V).

Working Principles

The LTC2922IF-3.3#TRPBF operates by continuously monitoring the input voltages and comparing them to predefined thresholds. It generates appropriate enable signals based on the monitored voltages, allowing controlled power-up and power-down sequences. The IC utilizes internal circuitry to accurately measure the input voltages and provide reliable monitoring.

Detailed Application Field Plans

The LTC2922IF-3.3#TRPBF finds applications in various electronic systems, including:

1. Power Supply Units (PSUs): It ensures proper voltage sequencing during power-up and power-down, preventing potential damage to sensitive components.
2. Industrial Control Systems: The IC provides voltage monitoring capabilities, ensuring stable operation of critical control circuits.
3. Telecommunications Equipment: It enables controlled power-up and power-down sequences for different voltage rails, enhancing system reliability.
4. Automotive Electronics: The LTC2922IF-3.3#TRPBF can be used to monitor and sequence power supplies in automotive applications, improving overall system performance.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC2922IF-3.3#TRPBF include:

1. MAX16050: This IC provides voltage monitoring and sequencing features with a wider input voltage range.
2. TPS3890: It offers accurate voltage monitoring and sequencing capabilities, along with adjustable threshold levels.
3. ADM1185: This device combines voltage monitoring and sequencing