LTC2919IMS-3.3#TRPBF

Product Overview

Category

LTC2919IMS-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: The LTC2919IMS-3.3#TRPBF provides accurate monitoring of input voltages.
• Power supply sequencing: It ensures proper sequencing of multiple power supplies, preventing potential damage to sensitive components.
• Package: The LTC2919IMS-3.3#TRPBF comes in a small surface-mount package, making it suitable for compact designs.
• Essence: This IC offers reliable and precise voltage monitoring and sequencing capabilities.
• Packaging/Quantity: The LTC2919IMS-3.3#TRPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Supply Current: 50µA (typical)
• Accuracy: ±1.5% (typical)

Pin Configuration

The LTC2919IMS-3.3#TRPBF has a total of 8 pins, as shown below:

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| | --|o |-- VIN --| |-- GND --| |-- VOUT --| |-- EN --| |-- FLT --| |-- SEQ --|_______|-- VCC ```

Functional Features

1. Voltage Monitoring: The LTC2919IMS-3.3#TRPBF accurately monitors the input voltage and provides an output signal based on user-defined thresholds.
2. Power Supply Sequencing: It ensures proper sequencing of multiple power supplies, preventing potential damage to sensitive components during power-up and power-down sequences.
3. Fault Detection: The FLT pin provides an indication when the input voltage exceeds or falls below the programmed thresholds.
4. Enable Control: The EN pin allows the user to enable or disable the monitoring and sequencing functions.
5. Adjustable Thresholds: The device allows users to set custom voltage thresholds for monitoring and sequencing.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring and sequencing capabilities.
• Compact surface-mount package suitable for space-constrained designs.
• Wide input voltage range allows for versatile applications.
• Low supply current minimizes power consumption.

Disadvantages

• Limited output voltage range may not be suitable for certain applications requiring higher voltages.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The LTC2919IMS-3.3#TRPBF operates by comparing the input voltage with user-defined thresholds. When the input voltage crosses these thresholds, the corresponding output signals are activated. The device also incorporates a power-on reset circuitry to ensure proper initialization during startup.

Detailed Application Field Plans

The LTC2919IMS-3.3#TRPBF finds applications in various fields, including but not limited to: 1. Power management systems 2. Battery-powered devices 3. Industrial automation 4. Automotive electronics 5. Telecommunications equipment

Detailed and Complete Alternative Models

1. LTC2917IMS-3.3#TRPBF: Similar to LTC2919IMS-3.3#TRPBF, but with additional features such as adjustable hysteresis and programmable delay.
2. LTC2918IMS-3.3#TRPBF: Offers similar functionality to LTC2919IMS-3.3#TRPBF, but with a wider input voltage range and higher accuracy.

These alternative models provide similar voltage monitoring and sequencing capabilities, catering to different application requirements.

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