LTC1232IS8#PBF

Product Overview

Category

LTC1232IS8#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and battery backup applications.

Characteristics

• Voltage monitoring: LTC1232IS8#PBF provides accurate monitoring of input voltage levels.
• Battery backup: It allows seamless switching between a primary power source and a backup power source.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• Small package size: LTC1232IS8#PBF comes in an 8-pin small outline integrated circuit (SOIC) package.

Package and Quantity

LTC1232IS8#PBF is packaged in an 8-pin SOIC package. It is typically sold in reels or tubes containing multiple units.

Specifications

The specifications of LTC1232IS8#PBF include:

• Input voltage range: 2.7V to 5.5V
• Output voltage range: 2.5V to 5.5V
• Quiescent current: 35µA (typical)
• Operating temperature range: -40°C to 85°C
• Power supply rejection ratio: 60dB (typical)

Pin Configuration

LTC1232IS8#PBF has the following pin configuration:

1. GND (Ground)
2. VCC (Power Supply)
3. RESET (Reset Output)
4. TH (Threshold Input)
5. MR (Manual Reset Input)
6. VBAT (Backup Power Input)
7. VOUT (Output Voltage)
8. VDD (Primary Power Input)

Functional Features

Voltage Monitoring

LTC1232IS8#PBF accurately monitors the input voltage level and provides a reset signal when the voltage falls below a certain threshold.

Battery Backup

The IC allows seamless switching between a primary power source and a backup power source, ensuring uninterrupted operation during power outages or voltage drops.

Manual Reset

The MR pin enables manual reset functionality, allowing users to manually trigger a system reset when required.

Power Supply Rejection

LTC1232IS8#PBF exhibits excellent power supply rejection, minimizing the impact of power supply noise on the output voltage stability.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Seamless battery backup functionality prevents data loss during power interruptions.
• Low power consumption extends battery life in portable devices.
• Small package size facilitates integration into space-constrained designs.

Disadvantages

• Limited input voltage range may not be suitable for all applications requiring higher voltages.
• Lack of adjustable threshold limits customization options for specific voltage monitoring requirements.

Working Principles

LTC1232IS8#PBF operates by continuously monitoring the input voltage level using the TH pin. When the voltage falls below the preset threshold, the RESET pin is activated, triggering a system reset. The MR pin allows manual reset functionality. The IC seamlessly switches between the primary power source (VDD) and the backup power source (VBAT) to ensure uninterrupted operation.

Application Field Plans

LTC1232IS8#PBF finds application in various fields, including: 1. Portable electronic devices: Provides voltage monitoring and backup power functionality in smartphones, tablets, and wearable devices. 2. Industrial automation: Ensures reliable operation and protection against power fluctuations in control systems and sensors. 3. Automotive electronics: Monitors voltage levels in automotive systems, preventing damage due to voltage drops or surges. 4. Medical equipment: Enables continuous operation and safe shutdown during power interruptions in medical devices.

Alternative Models

1. MAX1232ESA: Similar voltage monitoring and battery backup IC with adjustable threshold levels.
2. ADM1232ARWZ: Integrated circuit offering voltage monitoring and manual reset functionality in a different package.
3. MCP120T-315I/TT: Low-power voltage monitor and reset IC with extended temperature range.

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