LTC4370IDE#PBF
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Analog Devices Inc. LTC4370IDE#PBF

Manufacturer No:
LTC4370IDE#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OR CTRLR LOAD SHARE 16DFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LTC4370IDE#PBF, produced by Analog Devices Inc., is a two-supply diode-OR current balancing controller. This device is designed to control N-channel MOSFETs to share the load between two power supplies, ensuring efficient and balanced current distribution. It incorporates MOSFET ideal diodes to block reverse and shoot-through currents, enhancing the reliability and performance of the system.

Key Specifications

ParameterValue
Package Type16-Lead Plastic DFN
Operating Temperature Range–40°C to 85°C
Supply Voltage Range (VIN1, VIN2)2.9V to 18V
Gate Voltage RangeUp to 14V
Maximum Drain-Source Voltage (BVDSS)Must exceed the supply voltages
On-Resistance (RDS(ON))Dependent on MOSFET selection, typically low for efficient regulation
Thermal Resistance (θJA)125°C/W

Key Features

  • Controls N-channel MOSFETs to share load between two supplies.
  • Incorporates MOSFET ideal diodes to block reverse and shoot-through currents.
  • Error amplifier compares output voltages and adjusts servo command voltages for balanced current sharing.
  • Supports a wide range of supply voltages (2.9V to 18V).
  • Low on-resistance (RDS(ON)) requirement for efficient regulation.
  • Compact 16-Lead Plastic DFN package.

Applications

The LTC4370IDE#PBF is suitable for various applications requiring balanced current sharing between two power supplies, such as:

  • Redundant power systems in data centers and telecommunications.
  • High-reliability power supplies in industrial and medical equipment.
  • Dual-supply systems in automotive and aerospace applications.
  • Power distribution units (PDUs) and power management systems.

Q & A

  1. What is the primary function of the LTC4370IDE#PBF?
    The primary function is to control N-channel MOSFETs to share the load between two power supplies, ensuring balanced current distribution.
  2. What type of package does the LTC4370IDE#PBF come in?
    The LTC4370IDE#PBF comes in a 16-Lead Plastic DFN package.
  3. What is the operating temperature range of the LTC4370IDE#PBF?
    The operating temperature range is –40°C to 85°C.
  4. What is the supply voltage range for the LTC4370IDE#PBF?
    The supply voltage range is 2.9V to 18V.
  5. Why are MOSFET ideal diodes important in the LTC4370IDE#PBF?
    MOSFET ideal diodes block reverse and shoot-through currents, enhancing system reliability and performance.
  6. What is the role of the error amplifier in the LTC4370IDE#PBF?
    The error amplifier compares the output voltages and adjusts the servo command voltages to ensure balanced current sharing.
  7. What are some typical applications for the LTC4370IDE#PBF?
    Typical applications include redundant power systems, high-reliability power supplies, dual-supply systems in automotive and aerospace, and power distribution units (PDUs).
  8. What is the significance of low on-resistance (RDS(ON)) in the MOSFETs used with the LTC4370IDE#PBF?
    Low on-resistance (RDS(ON)) is crucial for efficient regulation and to ensure the servo amplifier can regulate the minimum forward regulation voltage across the MOSFET.
  9. How does the LTC4370IDE#PBF handle thermal management?
    The device has a thermal resistance (θJA) of 125°C/W, which is important for thermal management in the system.
  10. Where can I find detailed specifications and datasheets for the LTC4370IDE#PBF?
    Detailed specifications and datasheets can be found on the official Analog Devices website, as well as on distributor websites like Digi-Key and Mouser.

Product Attributes

Type:Current Sharing Controller
FET Type:N-Channel
Ratio - Input:Output:2:1
Internal Switch(s):No
Delay Time - ON:400 ns
Delay Time - OFF:400 ns
Current - Output (Max):- 
Current - Supply:2.1 mA
Voltage - Supply:2.9V ~ 18V
Applications:Redundant Power Supplies, Telecom Infrastructure
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:16-WFDFN Exposed Pad
Supplier Device Package:16-DFN (4x3)
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Similar Products

Part Number LTC4370IDE#PBF LTC4370CDE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Type Current Sharing Controller Current Sharing Controller
FET Type N-Channel N-Channel
Ratio - Input:Output 2:1 2:1
Internal Switch(s) No No
Delay Time - ON 400 ns 400 ns
Delay Time - OFF 400 ns 400 ns
Current - Output (Max) - -
Current - Supply 2.1 mA 2.1 mA
Voltage - Supply 2.9V ~ 18V 2.9V ~ 18V
Applications Redundant Power Supplies, Telecom Infrastructure Redundant Power Supplies, Telecom Infrastructure
Operating Temperature -40°C ~ 85°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Package / Case 16-WFDFN Exposed Pad 16-WFDFN Exposed Pad
Supplier Device Package 16-DFN (4x3) 16-DFN (4x3)

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