Linear Technology/QD Devices
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LTC2919IDDB-3.3#TRPBF
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LTC2919IDDB-3.3#TRPBF

Product Overview

Category

LTC2919IDDB-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

The LTC2919IDDB-3.3#TRPBF features high accuracy, low power consumption, and a wide operating temperature range. It is designed to provide precise voltage monitoring and control capabilities.

Package

The LTC2919IDDB-3.3#TRPBF comes in a small form factor package, specifically a 6-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to monitor and regulate voltages in electronic systems, ensuring stable and reliable operation.

Packaging/Quantity

The LTC2919IDDB-3.3#TRPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage: 3.3V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 10µA (typical)
  • Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The LTC2919IDDB-3.3#TRPBF has the following pin configuration:

  1. GND (Ground)
  2. VIN (Input Voltage)
  3. VOUT (Output Voltage)
  4. FLT (Fault Indicator)
  5. EN (Enable)
  6. NC (No Connection)

Functional Features

  • Voltage Monitoring: The LTC2919IDDB-3.3#TRPBF can accurately monitor the input voltage and provide a fault indication if it falls outside the specified range.
  • Power Supply Sequencing: It enables controlled power-up and power-down sequencing, ensuring proper operation of electronic systems.
  • Enable/Disable Control: The EN pin allows the user to enable or disable the voltage monitoring and sequencing functionality.

Advantages and Disadvantages

Advantages

  • High accuracy voltage monitoring
  • Low power consumption
  • Wide operating temperature range
  • Small form factor package

Disadvantages

  • Limited input voltage range (2.7V to 5.5V)
  • Requires external components for complete functionality

Working Principles

The LTC2919IDDB-3.3#TRPBF operates by comparing the input voltage with a reference voltage. If the input voltage exceeds the specified threshold, the fault indicator is activated. The enable/disable control allows the user to activate or deactivate the voltage monitoring and sequencing features.

Detailed Application Field Plans

The LTC2919IDDB-3.3#TRPBF finds applications in various electronic systems where precise voltage monitoring and power supply sequencing are critical. Some potential application fields include:

  1. Battery-powered devices: Ensuring efficient power management and preventing overvoltage conditions.
  2. Industrial automation: Monitoring and controlling voltage levels in control panels and machinery.
  3. Automotive electronics: Safeguarding sensitive components from voltage fluctuations.
  4. Telecommunications equipment: Maintaining stable power supply for reliable communication systems.

Detailed and Complete Alternative Models

  1. LTC2919IDDB-5#TRPBF: Similar to LTC2919IDDB-3.3#TRPBF, but with an output voltage of 5V.
  2. LTC2919IDDB-2.5#TRPBF: Similar to LTC2919IDDB-3.3#TRPBF, but with an output voltage of 2.5V.
  3. LTC2919IDDB-ADJ#TRPBF: Adjustable output voltage version, allowing customization within a specified range.

These alternative models provide flexibility to meet different voltage requirements in various applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von LTC2919IDDB-3.3#TRPBF in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of LTC2919IDDB-3.3#TRPBF in technical solutions:

  1. Q: What is LTC2919IDDB-3.3#TRPBF? A: LTC2919IDDB-3.3#TRPBF is a specific model of a voltage supervisor IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed to monitor the power supply voltage and provide various functions like power-on reset, watchdog timer, and fault detection.

  2. Q: What is the operating voltage range of LTC2919IDDB-3.3#TRPBF? A: The operating voltage range of LTC2919IDDB-3.3#TRPBF is typically from 2.7V to 6V.

  3. Q: What are the typical applications of LTC2919IDDB-3.3#TRPBF? A: LTC2919IDDB-3.3#TRPBF is commonly used in applications where monitoring and control of power supply voltages are critical, such as industrial automation, automotive systems, telecommunications equipment, and battery-powered devices.

  4. Q: How does LTC2919IDDB-3.3#TRPBF provide power-on reset functionality? A: LTC2919IDDB-3.3#TRPBF monitors the power supply voltage and generates a reset signal that remains active until the voltage reaches a specified threshold level, ensuring a controlled startup sequence for the system.

  5. Q: Can LTC2919IDDB-3.3#TRPBF be used as a watchdog timer? A: Yes, LTC2919IDDB-3.3#TRPBF includes a watchdog timer feature that can be configured to monitor the system's activity and generate a reset signal if it detects a fault or system lock-up.

  6. Q: What is the output voltage of LTC2919IDDB-3.3#TRPBF? A: The output voltage of LTC2919IDDB-3.3#TRPBF is fixed at 3.3V, which can be used as a reference voltage or to power other components in the system.

  7. Q: Does LTC2919IDDB-3.3#TRPBF have any built-in fault detection features? A: Yes, LTC2919IDDB-3.3#TRPBF has programmable fault detection thresholds that can be set to monitor the power supply voltage for overvoltage or undervoltage conditions, triggering an alert or shutdown sequence if necessary.

  8. Q: Can LTC2919IDDB-3.3#TRPBF operate in a low-power mode? A: Yes, LTC2919IDDB-3.3#TRPBF has a low-power mode that reduces its current consumption when the system is in standby or idle state, helping to conserve energy.

  9. Q: Is LTC2919IDDB-3.3#TRPBF suitable for battery-powered applications? A: Yes, LTC2919IDDB-3.3#TRPBF is designed to operate with a wide range of power supply voltages and has low quiescent current, making it suitable for battery-powered devices where power efficiency is crucial.

  10. Q: Are there any evaluation boards or application notes available for LTC2919IDDB-3.3#TRPBF? A: Yes, Analog Devices provides evaluation boards, datasheets, and application notes for LTC2919IDDB-3.3#TRPBF, which can help in understanding its features, functionality, and integration into various technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the official documentation and datasheets for accurate information.