LTC2924CGN#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Supply Sequencer and Supervisor

Characteristics: - Monitors and controls the power-up and power-down sequencing of multiple power supplies - Provides a reset signal during power-up and power-down sequences - Offers adjustable delay times for each power supply - Can be used in various applications such as servers, telecom equipment, and industrial control systems

Package: 16-Lead SSOP (Shrink Small Outline Package)

Essence: The LTC2924CGN#PBF is an integrated circuit designed to ensure proper power sequencing and supervision in electronic systems.

Packaging/Quantity: The LTC2924CGN#PBF is available in a 16-Lead SSOP package. It is typically sold in reels with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: -0.3V to 6V
• Operating Temperature Range: -40°C to 85°C
• Supply Current: 20μA (typical)
• Delay Time Range: 1ms to 10s (adjustable)
• Output Voltage Range: 0V to VCC

Pin Configuration

The LTC2924CGN#PBF has a total of 16 pins. Here is the detailed pin configuration:

1. GND (Ground)
2. IN1 (Input 1)
3. IN2 (Input 2)
4. IN3 (Input 3)
5. IN4 (Input 4)
6. OUT1 (Output 1)
7. OUT2 (Output 2)
8. OUT3 (Output 3)
9. OUT4 (Output 4)
10. RESET (Reset)
11. DELAY1 (Delay 1)
12. DELAY2 (Delay 2)
13. DELAY3 (Delay 3)
14. DELAY4 (Delay 4)
15. VCC (Power Supply)
16. GND (Ground)

Functional Features

• Power supply sequencing: The LTC2924CGN#PBF ensures that multiple power supplies in a system are powered up and down in the correct sequence to prevent damage or malfunction.
• Reset signal generation: It provides a reset signal during power-up and power-down sequences, allowing other components to initialize properly.
• Adjustable delay times: Each power supply input has an adjustable delay time, allowing precise control over the sequencing process.

Advantages and Disadvantages

Advantages: - Ensures proper power sequencing, preventing potential damage to sensitive components - Adjustable delay times provide flexibility in designing power-up and power-down sequences - Compact package size allows for easy integration into various electronic systems

Disadvantages: - Limited number of power supply inputs and outputs (4 each) - May require additional external components for certain applications

Working Principles

The LTC2924CGN#PBF operates by monitoring the voltage levels of multiple power supplies. It compares these levels with the programmed delay times and generates appropriate signals to control the power sequencing. During power-up, it ensures that each power supply reaches its desired voltage level before enabling subsequent supplies. During power-down, it follows the reverse sequence to safely shut down the system.

Detailed Application Field Plans

The LTC2924CGN#PBF can be used in various applications, including but not limited to: - Servers and data centers - Telecom equipment and network infrastructure - Industrial control systems and automation - Medical devices and instrumentation - Automotive electronics

Detailed and Complete Alternative Models

1. LTC2923CGN#PBF: Similar functionality with 8 power supply inputs and outputs.
2. LTC2925CGN#PBF: Expanded version with 12 power supply inputs and outputs.
3. LTC2926CGN#PBF: Enhanced features with integrated fault detection and reporting.

These alternative models offer different input/output configurations and additional features to suit specific application requirements.

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