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IRU3073

Features: Synchronous Controller plus one LDO controllerCurrent Limit using MOSFET SensingSingle 5V/12V Supply OperationProgrammable Switching Frequency up to 400KHzSoft-Start FunctionFixed Frequency Voltage ModePrecision Reference Voltage AvailableUncommitted Error Amplifier available for DDRvolt...

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SeekIC No. : 004378843 Detail

IRU3073: Features: Synchronous Controller plus one LDO controllerCurrent Limit using MOSFET SensingSingle 5V/12V Supply OperationProgrammable Switching Frequency up to 400KHzSoft-Start FunctionFixed Frequenc...

IRU3073 Data Sheet

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Part Number:
IRU3073
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/26

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Product Details

Description



Features:

Synchronous Controller plus one LDO controller
Current Limit using MOSFET Sensing
Single 5V/12V Supply Operation
Programmable Switching Frequency up to 400KHz
Soft-Start Function
Fixed Frequency Voltage Mode
Precision Reference Voltage Available
Uncommitted Error Amplifier available for DDR
voltage tracking application


Application

DDR memory source sink VTT application
Low cost on-board DC to DC such as 12V/5V to output voltages as low as 0.8V
Graphic Card
Hard Disk Drive
Multi-Output Applications


Pinout

Connection Diagram


Specifications

Vcc Supply Voltage ................................................... -0.5 - 25V
VcL, VcH Supply Voltage .......................................... -0.5 - 25V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C


Description

The IRU3073 controller IC is designed to provide a low cost synchronous Buck regulator for on-board DC to DC converter for multiple output applications.

The outputs of IRU3073 can be programmed as low as 0.8V for low voltage applications.

Selectable over-current protection is provided by using external MOSFET's on-resistance for optimum cost and performance.

This IRU3073 features a programmable frequency set from 200KHz to 400KHz, under-voltage lockout for all input supplies, an external programmable soft-start function as well as output under-voltage detection that latches off the device when an output short is detected.




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