LTC2909CTS8-2.5#TRMPBF

Product Overview

Category

LTC2909CTS8-2.5#TRMPBF belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage monitoring: The LTC2909CTS8-2.5#TRMPBF provides accurate voltage monitoring capabilities, ensuring stable operation of electronic systems.
• Power supply sequencing: It enables proper sequencing of multiple power supplies, preventing potential damage to sensitive components.
• Package: The LTC2909CTS8-2.5#TRMPBF comes in a compact 8-pin surface mount package.
• Essence: This IC is designed to enhance system reliability by monitoring critical voltages and controlling power supply sequencing.
• Packaging/Quantity: The LTC2909CTS8-2.5#TRMPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

The LTC2909CTS8-2.5#TRMPBF has the following specifications:

• Supply Voltage Range: 2.7V to 6V
• Voltage Threshold Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Output Type: Active Low/Open Drain
• Response Time: 300µs (typical)

Detailed Pin Configuration

The LTC2909CTS8-2.5#TRMPBF features the following pin configuration:

1. GND: Ground connection
2. VCC: Positive supply voltage input
3. VIN: Voltage input to be monitored
4. TH: Threshold voltage input
5. GATE: Output control pin
6. FLT: Fault output indicator
7. GND: Ground connection
8. VCC: Positive supply voltage input

Functional Features

The LTC2909CTS8-2.5#TRMPBF offers the following functional features:

1. Voltage Monitoring: Monitors the input voltage (VIN) and compares it with the threshold voltage (TH).
2. Power Supply Sequencing: Controls the output (GATE) based on the monitored voltage, enabling proper power supply sequencing.
3. Fault Detection: The FLT pin provides an indication of any fault condition, such as an undervoltage or overvoltage event.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Power supply sequencing prevents potential damage to sensitive components.
• Compact package size allows for space-efficient integration into electronic devices.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited voltage range (2.7V to 6V) may not be suitable for all applications.
• Response time of 300µs may not be fast enough for certain high-speed systems.

Working Principles

The LTC2909CTS8-2.5#TRMPBF operates by continuously monitoring the input voltage (VIN) and comparing it with the threshold voltage (TH). If the VIN falls below the TH, the output (GATE) is controlled accordingly, allowing for proper power supply sequencing. The FLT pin provides an indication of any fault condition detected by the IC.

Detailed Application Field Plans

The LTC2909CTS8-2.5#TRMPBF finds application in various fields, including but not limited to:

1. Industrial Automation: Ensuring reliable power supply sequencing in control systems.
2. Telecommunications: Monitoring critical voltages in network equipment.
3. Automotive Electronics: Preventing damage to sensitive components during power-up sequences.
4. Medical Devices: Maintaining stable voltage levels for accurate operation.
5. Consumer Electronics: Enhancing system reliability in electronic devices.

Detailed and Complete Alternative Models

1. LTC2909CTS8-3.3#TRMPBF: Similar to LTC2909CTS8-2.5#TRMPBF, but with a threshold voltage of 3.3V.
2. LTC2909ITS8-2.5#TRMPBF: Offers the same features as LTC2909CTS8-2.5#TRMPBF, but in an industrial temperature range (-40°C to +125°C).
3. LTC2909HMS8-2.5#TRMPBF: Provides higher accuracy with a threshold voltage accuracy of ±1%.

These alternative models offer similar functionality to the LTC2909CTS8-2.5#TRMPBF, catering to different voltage requirements or operating conditions.

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