LTC2907ITS8#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC2907ITS8#TRPBF is a precision voltage monitor and reset controller IC. It is designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.

Characteristics: - Precision voltage monitoring - Reset signal generation - Low power consumption - Small package size - Wide operating temperature range

Package: SOT-23-8

Essence: The LTC2907ITS8#TRPBF is an essential component in electronic systems that require reliable power supply monitoring and reset functionality.

Packaging/Quantity: The LTC2907ITS8#TRPBF is typically packaged in reels or tubes, with 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 2.5V to 6V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 10μA
• Reset Timeout Period: Adjustable from 1ms to 10s
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC2907ITS8#TRPBF has the following pin configuration:

```

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| | --| VCC |-- --| GND |-- --| VIN |-- --| RESET |-- --| GPOUT |-- --| GND |-- --| GND |-- |_______| ```

Pin Descriptions: - VCC: Power supply input - GND: Ground reference - VIN: Voltage input to be monitored - RESET: Active-low reset output - GPOUT: General-purpose output

Functional Features

1. Voltage Monitoring: The LTC2907ITS8#TRPBF continuously monitors the voltage at the VIN pin and compares it with a programmable threshold voltage.
2. Reset Signal Generation: When the monitored voltage falls below the threshold, the LTC2907ITS8#TRPBF generates an active-low reset signal on the RESET pin.
3. Adjustable Timeout Period: The reset signal remains active for a user-adjustable timeout period, allowing sufficient time for the system to stabilize before resuming normal operation.
4. General-Purpose Output: The GPOUT pin can be configured as a general-purpose output, providing flexibility for additional system functionality.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring - Low power consumption - Small package size for space-constrained applications - Wide operating temperature range for versatile usage

Disadvantages: - Limited number of general-purpose outputs - Threshold voltage accuracy may not meet the requirements of highly sensitive systems

Working Principles

The LTC2907ITS8#TRPBF operates by comparing the voltage at the VIN pin with a reference voltage. If the VIN voltage falls below the programmable threshold, the internal circuitry triggers the generation of an active-low reset signal on the RESET pin. The reset signal remains active for the user-defined timeout period, allowing the system to reset and stabilize before resuming normal operation.

Application Field Plans

The LTC2907ITS8#TRPBF finds applications in various electronic systems that require reliable power supply monitoring and reset functionality. Some potential application fields include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial control systems 4. Communication equipment 5. Automotive electronics

Alternative Models

1. LTC2907ITS8#PBF: Similar to LTC2907ITS8#TRPBF but without the tape and reel packaging option.
2. LTC2907ITS8#TRMPBF: Similar to LTC2907ITS8#TRPBF but with a wider operating temperature range (-40°C to 125°C).

These alternative models offer similar functionality and characteristics, providing flexibility for different application requirements.

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