LTC4365IDDB

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LTC4365IDDB

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IC POWER MANAGEMENT

  • ManufacturerAnalog Devices Inc.

  • Mfr. Part #LTC4365IDDB

  • In Stock6695

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Specifications

Attribute Value
PartStatus Obsolete
BaseProductNumber LTC4365
Applications Overvoltage, Undervoltage Protection
Current-Supply 125µA
Voltage-Supply 2.5V ~ 34V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package 8-WFDFN Exposed Pad
SupplierDevicePackage 8-DFN (3x2)
Packaging Tube

Overview

Description

The LTC4365IDDB is a hot-swap controller IC designed by Analog Devices. It is used to protect electronic circuits from overvoltage, undervoltage, and reverse voltage conditions, ensuring safe and reliable operation during hot-swapping of power supplies. The device operates over a wide input voltage range, typically from 4 V to 80 V, and is suitable for use in high-voltage applications.
Key features of the LTC4365IDDB include an adjustable undervoltage lockout, overvoltage protection, reverse polarity protection, and a programmable fault timer. It also offers a gate driver to control an external N-channel MOSFET, which helps in smooth turn-on and turn-off of the power source without causing large inrush currents.
The device is provided in a compact 8-lead DFN or MSOP package, making it suitable for space-constrained applications in automotive, industrial, and telecommunications systems. Its flexible design and robust protection features make it a valuable component for enhancing system reliability and longevity.

Equivalent

The LTC4365IDDB is a surge stopper and overvoltage protection controller. Equivalent products include the Maxim Integrated MAX14526, Texas Instruments LM74700-Q1, and ON Semiconductor NIS5020. These alternatives provide similar functionalities in terms of voltage and current protection for electronic circuits. When selecting a replacement, ensure compatibility with specific voltage and current requirements of your application.

Features

The LTC4365IDDB is a surge stopper and overvoltage protection IC designed to safeguard electronic systems from voltage transients. Key features include:
1. Wide Operating Range: The IC operates over a wide input voltage range, typically from 4V to 80V, making it suitable for a variety of applications.
2. Surge and Overvoltage Protection: It effectively clamps overvoltage transients, protecting downstream components from damage.
3. Undervoltage Lockout: The device includes an adjustable undervoltage lockout feature to prevent operation below a set voltage.
4. Current Limiting: The LTC4365IDDB can limit the inrush current during startup and overcurrent conditions, enhancing system reliability.
5. Shutdown Mode: It offers a low-current shutdown mode for power-saving during inactive periods.
6. Compact Package: The device is housed in a compact 10-lead DFN package, facilitating ease of integration into space-constrained designs.
7. Thermal Shutdown: It includes thermal protection to prevent damage from overheating.
These features make the LTC4365IDDB ideal for automotive, industrial, and telecom applications where robust protection against voltage anomalies is crucial.

Pinout

The LTC4365IDDB is a 10-pin integrated circuit designed for overvoltage, undervoltage, and reverse supply protection. This device is used to protect sensitive electronics from input voltage transients and improper power supply connections.
Here are the pin functions for the LTC4365IDDB:
1. GATE: Controls the gate of an external N-channel MOSFET.
2. OUT: Senses the output voltage.
3. FB: Feedback input to set undervoltage and overvoltage thresholds.
4. SHDN: Shutdown control; active low.
5. GND: Ground reference for the device.
6. VCC: Positive supply voltage input.
7. OV: Overvoltage threshold input.
8. UV: Undervoltage threshold input.
9. TIMER: Sets the delay for fault recovery.
10. IN: Senses the input voltage.
These pins are configured to ensure the device can effectively monitor and manage power supply conditions, providing robust protection for electronic systems.

Manufacturer

The LTC4365IDDB is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacture of analog, mixed-signal, and digital signal processing integrated circuits. The company serves a wide range of industries, including automotive, communication, industrial, and consumer electronics, providing components that are critical for signal processing applications. Their products are used in various applications, from data conversion and power management to RF and sensor technologies.

Application

The LTC4365IDDB is a surge stopper and overvoltage protection controller used primarily in applications requiring robust power supply protection. Its key application areas include:
1. Automotive Electronics: Protects against load dump and automotive transients.
2. Industrial Systems: Safeguards equipment from overvoltage and surges in harsh environments.
3. Telecommunications: Ensures stable power supply by mitigating transients and overvoltage conditions.
4. Consumer Electronics: Provides protection for sensitive electronic devices from power spikes.
5. Battery-Powered Devices: Prevents battery overvoltage and ensures safe operation.
Its ability to limit voltage and current makes it suitable for any system requiring precise power management and protection.

Package

The LTC4365IDDB is housed in a 3mm x 3mm DFN-10 package. DFN stands for Dual Flat No Leads, which is a compact, surface-mount technology package offering good thermal performance and reliability.