LTC2908ITS8-A1#TRMPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: Low Voltage, Precision, Adjustable Thresholds
• Package: SOT-23-8
• Essence: Monitors power supply voltages and generates alerts based on user-defined thresholds.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Range: 0.4V to 5V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low/Open-Drain
• Quiescent Current: 2µA (typical)

Pin Configuration

The LTC2908ITS8-A1#TRMPBF has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| VIN VOUT|-- Pin 2: Input Voltage (VIN) --| TH OUT |-- Pin 3: Threshold Voltage (TH) --| EN FLT |-- Pin 4: Enable (EN) |___________| ```

Functional Features

• Monitors input voltage against user-defined thresholds.
• Generates an alert signal when the voltage crosses the threshold.
• Adjustable threshold levels using external resistors.
• Low quiescent current for power-efficient operation.
• Open-drain output allows easy interfacing with other devices.

Advantages

• Wide supply voltage range enables compatibility with various systems.
• Adjustable threshold levels provide flexibility in monitoring different voltage levels.
• Low quiescent current minimizes power consumption.
• Small package size (SOT-23-8) allows for space-efficient designs.
• Open-drain output simplifies integration with other circuits.

Disadvantages

• Limited to monitoring voltage levels within the specified range.
• Requires external resistors for threshold adjustment.
• Not suitable for high-voltage applications.

Working Principles

The LTC2908ITS8-A1#TRMPBF is a power supply monitor IC that operates by comparing the input voltage (VIN) against user-defined threshold voltages (TH). When the input voltage crosses the threshold, the output (OUT) goes low, generating an alert signal. The enable pin (EN) can be used to activate or deactivate the monitoring function.

Detailed Application Field Plans

The LTC2908ITS8-A1#TRMPBF finds applications in various fields, including:

1. Battery-Powered Devices: Monitors battery voltage to prevent over-discharge and protect sensitive electronics.
2. Power Management Systems: Ensures stable power supply by monitoring voltage levels and triggering corrective actions.
3. Industrial Control Systems: Provides voltage monitoring for critical components, preventing damage due to voltage fluctuations.
4. Automotive Electronics: Monitors vehicle battery voltage to prevent starting issues and protect electronic systems.
5. IoT Devices: Enables power supply monitoring in connected devices, ensuring reliable operation.

Detailed and Complete Alternative Models

1. LTC2908ITS8-B1#TRMPBF: Similar to LTC2908ITS8-A1#TRMPBF but with different threshold voltage ranges.
2. LTC2908ITS8-C1#TRMPBF: Offers additional features like hysteresis and adjustable response time.
3. LTC2908ITS8-D1#TRMPBF: Designed for high-temperature applications with extended temperature range.

These alternative models provide similar functionality but may have specific differences based on application requirements.

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