LTC2908ITS8-C1#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitor
• Characteristics: Low Voltage, Precision, Adjustable Thresholds
• Package: SOT-23-8
• Essence: Monitors the voltage of a power supply and provides an output signal when the voltage exceeds or falls below a set threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 1.5V to 6V
• Threshold Accuracy: ±1.5%
• Quiescent Current: 10µA
• Operating Temperature Range: -40°C to 85°C
• Output Type: Active High/Open Drain
• Adjustable Thresholds: Yes
• Hysteresis: Programmable

Detailed Pin Configuration

The LTC2908ITS8-C1#TRPBF has a total of 8 pins:

1. GND: Ground reference for all circuitry.
2. VIN: Input voltage pin.
3. VTH: Threshold voltage input pin.
4. ADJ: Adjust pin for setting the threshold voltage.
5. GATE: Output gate control pin.
6. FLT: Fault output pin.
7. NC: No connection.
8. VCC: Positive supply voltage pin.

Functional Features

• Monitors the input voltage and compares it with the threshold voltage.
• Provides a fault output signal when the voltage exceeds or falls below the set threshold.
• Adjustable threshold voltage allows customization for different applications.
• Low quiescent current ensures minimal power consumption.
• Open-drain output allows easy interfacing with other devices.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables versatile use. - Precise threshold accuracy ensures reliable monitoring. - Adjustable thresholds provide flexibility for various applications. - Low quiescent current minimizes power consumption. - Small package size (SOT-23-8) allows for space-saving designs.

Disadvantages: - Limited fault output options (active high/open drain only). - Not suitable for high voltage applications (>6V).

Working Principles

The LTC2908ITS8-C1#TRPBF operates by comparing the input voltage (VIN) with the threshold voltage (VTH). The threshold voltage can be adjusted using the ADJ pin. When the input voltage exceeds or falls below the set threshold, the device generates a fault output signal on the FLT pin. The GATE pin controls the output gate, which can be connected to external circuitry for further actions based on the fault condition.

Detailed Application Field Plans

The LTC2908ITS8-C1#TRPBF finds applications in various fields, including:

1. Power Supply Monitoring: It ensures the stability and reliability of power supplies by detecting overvoltage or undervoltage conditions.
2. Battery Management Systems: It can be used to monitor battery voltages and trigger actions based on predefined thresholds.
3. Industrial Control Systems: It provides voltage monitoring capabilities in industrial control systems to prevent damage caused by voltage fluctuations.
4. Automotive Electronics: It plays a crucial role in automotive electronics by monitoring the voltage levels of critical components and triggering appropriate responses.

Detailed and Complete Alternative Models

1. LTC2908ITS8-C2#TRPBF: Similar to LTC2908ITS8-C1#TRPBF but with different threshold accuracy (+/- 2%).
2. LTC2908ITS8-C3#TRPBF: Similar to LTC2908ITS8-C1#TRPBF but with wider operating temperature range (-40°C to 125°C).
3. LTC2908ITS8-C4#TRPBF: Similar to LTC2908ITS8-C1#TRPBF but with higher input voltage range (1.5V to 10V).

These alternative models provide options for different accuracy requirements, temperature ranges, and input voltage ranges.

In conclusion, the LTC2908ITS8-C1#TRPBF is a versatile power supply monitor IC with adjustable thresholds, low quiescent current, and precise monitoring capabilities. Its small package size and wide range of applications make it an ideal choice for various electronic systems.