LTC4371IMS#PBF

Product Overview

Category

LTC4371IMS#PBF belongs to the category of power management integrated circuits (PMICs).

Use

This product is primarily used for power supply protection and load sharing in various electronic devices.

Characteristics

• Power supply protection: LTC4371IMS#PBF offers robust protection against overvoltage, undervoltage, and reverse voltage conditions.
• Load sharing: It enables seamless load sharing between multiple power sources, ensuring uninterrupted power supply.
• Package: The LTC4371IMS#PBF comes in a small MSOP-10 package, making it suitable for space-constrained applications.
• Essence: This IC provides reliable and efficient power management solutions for electronic systems.
• Packaging/Quantity: The LTC4371IMS#PBF is typically sold in reels containing 250 units.

Specifications

The LTC4371IMS#PBF has the following specifications:

• Input Voltage Range: 2.9V to 60V
• Overvoltage Threshold: Adjustable from 3.5V to 60V
• Undervoltage Threshold: Adjustable from 2.5V to 59V
• Reverse Voltage Protection: -60V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 35µA (typical)

Pin Configuration

The LTC4371IMS#PBF features the following pin configuration:

1. GATE1: Gate control input for channel 1
2. GATE2: Gate control input for channel 2
3. V1: Channel 1 input voltage
4. V2: Channel 2 input voltage
5. GND: Ground
6. FLT: Fault output
7. FB: Feedback input
8. SS: Soft-start capacitor connection
9. VCC: Supply voltage input
10. PG: Power good output

Functional Features

The LTC4371IMS#PBF offers the following functional features:

• Overvoltage Protection: It monitors the input voltage and shuts off the corresponding channel if it exceeds the set threshold.
• Undervoltage Protection: It detects low input voltage and disconnects the load to prevent damage.
• Reverse Voltage Protection: The IC prevents reverse voltage from damaging the power supply or load.
• Load Sharing: It enables seamless sharing of load between multiple power sources, ensuring redundancy and reliability.
• Fault Reporting: The FLT pin provides a fault signal when any protection condition is triggered.
• Power Good Output: The PG pin indicates when the output voltage is within the acceptable range.

Advantages and Disadvantages

Advantages

• Robust protection against voltage anomalies
• Efficient load sharing capability
• Small package size for space-constrained applications
• Wide input voltage range for versatility

Disadvantages

• Limited availability of alternative models
• Relatively higher quiescent current compared to some competitors

Working Principles

The LTC4371IMS#PBF operates by continuously monitoring the input voltages and comparing them to the set thresholds. If an overvoltage, undervoltage, or reverse voltage condition occurs, the corresponding channel is disabled to protect the load and power supply. The load sharing feature ensures that power is evenly distributed among multiple sources, preventing overload or underutilization.

Application Field Plans

The LTC4371IMS#PBF finds application in various fields, including: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Renewable energy systems - Medical devices

Alternative Models

While the LTC4371IMS#PBF is a reliable choice, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - TPS2490RTER - Texas Instruments - MAX4372FESA - Maxim Integrated - ADM1270-1ACPZ-R7 - Analog Devices

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

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