LTC2935IDC-4#TRMPBF

Product Overview

Category

The LTC2935IDC-4#TRMPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and control.

Characteristics

• Low voltage operation
• High accuracy
• Wide temperature range
• Small form factor

Package

The LTC2935IDC-4#TRMPBF is available in a 6-pin DFN package.

Essence

This integrated circuit serves as a power supply monitor and sequencer, ensuring proper power-up and shutdown sequences in electronic systems.

Packaging/Quantity

The LTC2935IDC-4#TRMPBF is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Output Voltage Accuracy: ±1.5%
• Quiescent Current: 10µA (typical)
• Power-On Reset Threshold: 1.8V (typical)

Detailed Pin Configuration

The LTC2935IDC-4#TRMPBF has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. EN: Enable pin for power sequencing control
4. PGOOD: Power-good output indicator
5. FLT: Fault output indicator
6. OV: Overvoltage threshold adjustment pin

Functional Features

• Power-on reset (POR) function ensures proper system initialization.
• Programmable undervoltage and overvoltage thresholds for fault detection.
• Power sequencing capability for controlled power-up and shutdown sequences.
• Power-good output indicates when the supply voltage is within the desired range.
• Fault output provides indication of any detected faults.

Advantages and Disadvantages

Advantages

• High accuracy in power supply monitoring.
• Wide operating temperature range allows for use in various environments.
• Small form factor enables integration into space-constrained designs.
• Power sequencing capability ensures reliable system operation.

Disadvantages

• Limited to low voltage applications (up to 5.5V).
• Requires external components for complete power management functionality.

Working Principles

The LTC2935IDC-4#TRMPBF operates by monitoring the input power supply voltage and generating appropriate control signals based on predefined thresholds. It utilizes a power-on reset circuit to ensure proper initialization of the system. The device also features programmable undervoltage and overvoltage thresholds, allowing for customized fault detection. By controlling the enable pin, power sequencing can be achieved, ensuring that different power supplies are turned on and off in a specific order. The power-good output provides an indication of when the supply voltage is within the desired range, while the fault output alerts the system to any detected faults.

Detailed Application Field Plans

The LTC2935IDC-4#TRMPBF finds application in various electronic systems where precise power management and control are crucial. Some potential fields of application include:

1. Industrial automation: Ensuring proper power-up and shutdown sequences in control systems.
2. Automotive electronics: Monitoring and controlling power supply voltages in vehicle subsystems.
3. Consumer electronics: Managing power delivery in portable devices, such as smartphones and tablets.
4. Medical equipment: Enabling reliable power management in medical devices for patient safety.
5. Telecommunications: Sequencing power supplies in network infrastructure equipment.

Detailed and Complete Alternative Models

1. LTC2934IDC-4#TRMPBF: Similar to LTC2935IDC-4#TRMPBF but with a different package option.
2. LTC2936IDC-4#TRMPBF: Offers additional features such as adjustable power-on reset delay.
3. LTC2937IDC-4#TRMPBF: Provides higher accuracy in power supply monitoring.

These alternative models offer similar functionality to the LTC2935IDC-4#TRMPBF but may have slight variations in specifications or additional features.

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