LTC4353IMS#PBF

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LTC4353IMS#PBF

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IC OR CTRLR LOAD SHARE 16MSOP

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Attribut Wert
Package / Case Tube
Part Status Active
Type Current Sharing Controller
FET Type N-Channel
Ratio - Input: Output 2:2
Internal Switch(s) No
Delay Time - ON 400 ns
Delay Time - OFF 300 ns
Supply Current 1.5 mA
Voltage - Supply 2.9V ~ 18V
Applications Redundant Power Supplies, Telecom Infrastructure
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Übersicht

Description

The LTC4353IMS#PBF is a dual-channel ideal diode controller with a 0.5V offset, designed by Analog Devices. It enhances power path efficiency by driving an external N-channel MOSFET to function as an ideal diode, minimizing the forward voltage drop and power dissipation compared to conventional Schottky diodes. This feature is particularly useful in high-current applications where power loss must be minimized.
The part is commonly used in applications like redundant power supplies, where it ensures seamless transition between power sources without interruption. It supports reverse current blocking, ensuring that current doesn't flow backward when power sources are inactive. With a wide input voltage range, it offers flexibility for various applications.
The "IMS" in the part number indicates the package type, which is a 16-lead MSOP (Mini Small Outline Package) for efficient thermal performance and compact design. The "#PBF" suffix denotes a lead-free, RoHS-compliant product. In summary, the LTC4353IMS#PBF is a reliable solution for efficient power management and protection in dual power supply systems.

Equivalent

The LTC4353IMS#PBF is a dual ideal diode controller. Equivalent products include:
1. Texas Instruments LM5050-1: A controller for high-side OR-ing of redundant power supplies.
2. Maxim Integrated MAX15025: A high-side and low-side MOSFET driver for power OR-ing applications.
3. Diodes Incorporated AP21410: A power distribution switch with similar functionalities.
These alternatives provide similar functionalities in managing redundant power supplies and ideal diode configurations. Always verify specific requirements and compatibility for your application.

Features

The LTC4353IMS#PBF is a dual ideal diode controller from Analog Devices designed for use in power path management applications. Key features include:
1. Low Loss Diode ORing: It facilitates low forward voltage drop and power dissipation by controlling external N-channel MOSFETs, acting as ideal diodes.
2. Fast Turn-On and Turn-Off: Offers quick response to input supply disruptions, enhancing the reliability of power systems.
3. Reverse Current Blocking: Prevents reverse current from flowing back into the power source, thereby protecting the power supply.
4. Wide Operating Voltage Range: Supports a broad input voltage range, making it suitable for various applications.
5. Compact Package: Available in a thermally efficient MSOP package, suitable for space-constrained designs.
The LTC4353IMS#PBF is commonly used in redundant power supply systems, automotive electronics, and battery-powered devices where efficient power management and protection are crucial.

Pinout

The LTC4353IMS#PBF is a dual ideal diode controller with a pin count of 16. It is designed to work with N-channel MOSFETs to replace high-power Schottky diodes, providing low-loss power paths. The primary functions of the LTC4353 include:
1. Ideal Diode Control: It drives two external N-channel MOSFETs to function as ideal diodes, minimizing forward voltage drop and power dissipation compared to traditional diodes.
2. Reverse Protection: It prevents reverse current flow, protecting against reverse polarity connections, making it suitable for ORing power supplies in redundant power systems.
3. Fault Indication: The device provides fault indication outputs that alert users to potential faults in the power path.
4. Hot Swap: The controller supports hot-swapping capabilities, allowing for the safe insertion and removal of circuit components without disrupting the power supply.
The LTC4353 is commonly used in high-availability systems and applications requiring efficient power management and redundancy.

Manufacturer

The LTC4353IMS#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing, manufacturing, and marketing a wide range of integrated circuits and semiconductor devices. The company focuses on signal processing, data conversion, power management, and other technologies essential for various electronic applications. Analog Devices serves a diverse set of industries, including automotive, communications, consumer electronics, industrial, healthcare, and defense. The acquisition of Linear Technology in 2017 expanded its product portfolio and expertise in analog, mixed-signal, and power management solutions.

Application

The LTC4353IMS#PBF is an ideal diode controller used primarily in power management applications. Key areas include:
1. Redundant Power Supplies: Ensures seamless switchover between multiple power sources, enhancing reliability.
2. Load Sharing: Facilitates balanced current sharing among parallel-connected power supplies.
3. Reverse Voltage Protection: Prevents reverse current flow, protecting circuits from potential damage.
4. High Availability Systems: Used in telecommunications and data centers where uninterrupted power is critical.
5. Battery Backup Systems: Manages automatic switching to backup power sources, maintaining continuous operation.
These applications benefit from its ability to minimize power loss and enhance circuit protection through efficient diode control.

Package

The LTC4353IMS#PBF is a high-density surface-mount package known as MSOP (Mini Small Outline Package), specifically with 10 pins. It is used for electronic components to provide efficient space utilization on PCBs.

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