LTC4241CGN#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High voltage Hot Swap controller - Ideal for power supply systems requiring live insertion and removal of circuit boards - Provides protection against overcurrent, overvoltage, and undervoltage conditions - Enables safe and reliable operation of electronic devices during power-up and power-down sequences

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

Essence: The LTC4241CGN#PBF is a high voltage Hot Swap controller designed to protect sensitive electronic components from potential damage during power supply insertion or removal.

Packaging/Quantity: Available in tape and reel packaging with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: -18V to 80V
• Maximum Continuous Current: 10A
• Overcurrent Threshold Accuracy: ±5%
• Overvoltage Threshold Accuracy: ±2%
• Undervoltage Threshold Accuracy: ±2%
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4241CGN#PBF features a 16-lead SSOP package with the following pin configuration:

1. VCC
2. GATE
3. FLT
4. SENSE
5. ILIM
6. OV
7. UV
8. PGND
9. SGND
10. REF
11. VEE
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• Overcurrent Protection: Monitors the current flowing through the load and shuts off the external MOSFET if it exceeds a predefined threshold.
• Overvoltage Protection: Detects excessive voltage levels and disables the MOSFET to prevent damage to the load.
• Undervoltage Protection: Ensures that the input voltage remains above a minimum threshold to maintain proper operation of the load.
• Fault Detection: Provides an indication when any of the protection features are triggered.
• Power Good Output: Signals when the output voltage is within the acceptable range.

Advantages and Disadvantages

Advantages: - Enables safe insertion and removal of circuit boards in power supply systems - Protects sensitive electronic components from potential damage - Accurate threshold accuracy for overcurrent, overvoltage, and undervoltage conditions - Compact package size for space-constrained applications

Disadvantages: - Limited maximum continuous current of 10A - Operating temperature range may not be suitable for extreme environments

Working Principles

The LTC4241CGN#PBF operates by continuously monitoring the current, voltage, and fault conditions during the power-up and power-down sequences. It utilizes a combination of internal comparators and control logic to protect the load from overcurrent, overvoltage, and undervoltage events. The device controls an external MOSFET to enable or disable the power supply connection based on the detected conditions.

Detailed Application Field Plans

The LTC4241CGN#PBF is commonly used in various applications, including: - Server and data center power supplies - Telecom and networking equipment - Industrial automation systems - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC4241CGN#PBF include: - LTC4240: Hot Swap controller with lower maximum continuous current but wider operating temperature range. - LTC4242: Hot Swap controller with higher maximum continuous current and additional features such as adjustable current limit.

These alternative models can be considered based on specific application requirements and constraints.

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