LTC4372HDD#PBF
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Analog Devices Inc. LTC4372HDD#PBF

Manufacturer No:
LTC4372HDD#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
LOW ICC IDEAL DIODE CONTROLLER W
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LTC4372HDD#PBF, produced by Analog Devices Inc., is a positive high voltage ideal diode controller designed to drive an external N-channel MOSFET. This component effectively replaces a Schottky diode, offering improved efficiency and reliability in various power management applications. The LTC4372 is part of the LTC4372/LTC4373 family, which is known for its high performance and versatility in managing power supply systems.

Key Specifications

ParameterConditionsMinTypMaxUnits
Input Supply Voltage Range (VIN)2.580V
Input Supply Undervoltage Lockout (VIN(UVL))IN Rising1.9V
Source Voltage Range-28100V
Output Voltage Range (OUT)-2100V
Gate-Source Voltage Range-0.310V
Shutdown Control Input (SHDN)-0.3100V
Internal 3V Supply Decoupling Output (INTVCC)-0.36V
Operating Temperature Range-40125°C
Supply Current5µA

Key Features

  • Drives an external N-channel MOSFET to replace a Schottky diode, enhancing efficiency and reducing power loss.
  • Wide input supply voltage range from 2.5V to 80V.
  • Internal 3V supply decoupling output (INTVCC) for additional power needs.
  • Shutdown control input (SHDN) for low current mode operation.
  • High operating temperature range from -40°C to 125°C.
  • Low supply current of 5µA.
  • Reverse battery protection up to -28V without damage.

Applications

  • Automotive systems: Ideal for managing power in automotive environments due to its robust temperature range and protection features.
  • Redundant power supplies: Ensures reliable power distribution in redundant systems by acting as an ideal diode.
  • High-side switching applications: Suitable for high-side switch configurations where efficient power management is crucial.
  • Power-over-Ethernet (PoE) systems: Can be used in PoE applications to manage power delivery efficiently.

Q & A

  1. What is the primary function of the LTC4372HDD#PBF?
    The primary function is to drive an external N-channel MOSFET to replace a Schottky diode, improving efficiency and reducing power loss.
  2. What is the input supply voltage range of the LTC4372HDD#PBF?
    The input supply voltage range is from 2.5V to 80V.
  3. How does the LTC4372HDD#PBF handle reverse battery conditions?
    The component can handle reverse battery conditions up to -28V without being damaged.
  4. What is the purpose of the INTVCC pin?
    The INTVCC pin provides an internal 3V supply decoupling output for additional power needs.
  5. How can the LTC4372HDD#PBF be shut down to a low current mode?
    The component can be shut down by pulling the SHDN pin above 1.215V.
  6. What are the typical applications of the LTC4372HDD#PBF?
    Typical applications include automotive systems, redundant power supplies, high-side switching, and Power-over-Ethernet (PoE) systems.
  7. What is the operating temperature range of the LTC4372HDD#PBF?
    The operating temperature range is from -40°C to 125°C.
  8. What is the supply current of the LTC4372HDD#PBF?
    The supply current is typically 5µA.
  9. Can the LTC4372HDD#PBF be used in high-voltage applications?
    Yes, it is designed for high-voltage applications with a source voltage range from -28V to 100V.
  10. What type of package does the LTC4372HDD#PBF come in?
    The component comes in an 8-Lead (3mm × 3mm) Plastic DFN package.

Product Attributes

Type:N+1 ORing Controller
FET Type:N-Channel
Ratio - Input:Output:1:1
Internal Switch(s):No
Delay Time - ON:500 µs
Delay Time - OFF:500 ns
Current - Output (Max):10µA
Current - Supply:5 µA
Voltage - Supply:2.5V ~ 80V
Applications:Automotive, Redundant Power Supplies
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-WFDFN Exposed Pad
Supplier Device Package:8-DFN (3x3)
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Similar Products

Part Number LTC4372HDD#PBF LTC4372IDD#PBF LTC4373HDD#PBF LTC4372CDD#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active
Type N+1 ORing Controller N+1 ORing Controller N+1 ORing Controller N+1 ORing Controller
FET Type N-Channel N-Channel N-Channel N-Channel
Ratio - Input:Output 1:1 1:1 1:1 1:1
Internal Switch(s) No No No No
Delay Time - ON 500 µs 500 µs 500 µs 500 µs
Delay Time - OFF 500 ns 500 ns 500 ns 500 ns
Current - Output (Max) 10µA 10µA 10µA 10µA
Current - Supply 5 µA 5 µA 5 µA 5 µA
Voltage - Supply 2.5V ~ 80V 2.5V ~ 80V 2.5V ~ 80V 2.5V ~ 80V
Applications Automotive, Redundant Power Supplies Automotive, Redundant Power Supplies Automotive, Redundant Power Supplies Automotive, Redundant Power Supplies
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-WFDFN Exposed Pad 8-WFDFN Exposed Pad 8-WFDFN Exposed Pad 8-WFDFN Exposed Pad
Supplier Device Package 8-DFN (3x3) 8-DFN (3x3) 8-DFN (3x3) 8-DFN (3x3)

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