LTC4380IMS-4#PBF

Product Overview

The LTC4380IMS-4#PBF belongs to the category of power management integrated circuits (PMICs) and is designed for use in various electronic systems. This device offers characteristics such as overvoltage protection, undervoltage lockout, and reverse current blocking. It comes in a small MSOP-10 package and is an essential component for ensuring reliable power supply in electronic applications. The LTC4380IMS-4#PBF is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.9V to 5.5V
• Overvoltage Threshold: 4.1V
• Reverse Current: 50µA
• Operating Temperature Range: -40°C to 85°C
• Package Type: MSOP-10

Detailed Pin Configuration

The LTC4380IMS-4#PBF features the following pin configuration: 1. GATE: Gate Drive Output 2. VCC: Supply Voltage Input 3. UVLO: Undervoltage Lockout Input 4. OV: Overvoltage Input 5. GND: Ground 6. FLT: Fault Output 7. NC: No Connection 8. NC: No Connection 9. NC: No Connection 10. VIN: Input Voltage

Functional Features

The LTC4380IMS-4#PBF provides seamless overvoltage protection by controlling the gate voltage of an external N-channel MOSFET. It also incorporates undervoltage lockout to prevent operation when the input voltage falls below a specified level. Additionally, it includes a fault output that signals when an overvoltage or undervoltage condition is detected.

Advantages and Disadvantages

Advantages

• Robust overvoltage protection
• Efficient undervoltage lockout mechanism
• Compact MSOP-10 package
• Low reverse current

Disadvantages

• Limited input voltage range
• Requires an external N-channel MOSFET for operation

Working Principles

The LTC4380IMS-4#PBF operates by monitoring the input voltage and controlling the gate voltage of an external N-channel MOSFET to provide overvoltage protection. When an overvoltage condition is detected, the gate drive output is disabled, preventing excessive voltage from reaching downstream components. Similarly, the undervoltage lockout feature ensures that the device remains inactive when the input voltage falls below a predetermined threshold.

Detailed Application Field Plans

The LTC4380IMS-4#PBF is well-suited for a wide range of applications, including: - Power supply units - Battery charging systems - Industrial automation equipment - Automotive electronics - Telecommunications infrastructure

Detailed and Complete Alternative Models

Some alternative models to the LTC4380IMS-4#PBF include: - LTC4366 - TPS25921 - MAX16054 - ADP2384

In conclusion, the LTC4380IMS-4#PBF is a versatile PMIC that offers robust overvoltage protection and undervoltage lockout capabilities. Its compact package and functional features make it an essential component for ensuring reliable power supply in various electronic systems.

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