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IRU3072

Features: ·Synchronous Controller plus 3-LDO controllers·Current Limit using MOSFET Sensing·Dual Soft-Start Function allows power sequencing·Single 5V/12V Supply Operation·Programmable Switching Frequency up to 400KHz·Fixed Frequency Voltage Mode·1A Peak Output Drive Capability·PACKAGE ORDER INFOR...

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SeekIC No. : 004378842 Detail

IRU3072: Features: ·Synchronous Controller plus 3-LDO controllers·Current Limit using MOSFET Sensing·Dual Soft-Start Function allows power sequencing·Single 5V/12V Supply Operation·Programmable Switching Fre...

IRU3072 Data Sheet

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Part Number:
IRU3072
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

·Synchronous Controller plus 3-LDO controllers
·Current Limit using MOSFET Sensing
·Dual Soft-Start Function allows power sequencing
·Single 5V/12V Supply Operation
·Programmable Switching Frequency up to 400KHz
·Fixed Frequency Voltage Mode
·1A Peak Output Drive Capability
·PACKAGE ORDER INFORMATION


Application

·Graphic Card
·DDR memory source sink VTT application
·Applications with Multiple Outputs
·Low cost on-board DC to DC such as
·5V to 3.3V, 2.5V or 1.8V
·Hard Disk Drive


Pinout

Connection Diagram


Specifications

Vcc and VccLDO Supply Voltage ................................... 25V
Vc Supply Voltage ........................................................ 25V
Storage Temperature Range ...................-65°C To 150°C
Operating Junction Temperature Range ......0°C To 125°C
CAUTION: For all pins, voltage should not be below -0.5V.
CAUTION: Stresses above those listed in "Absolute Maximum
Ratings" may cause permanent damage to the device.


Description

The IRU3072 controller IC is designed to provide a low cost synchronous Buck regulator for on-board DC to DC converter for multi-output applications. The outputs can be programmed as low as 0.8V for low voltage applications. The IRU3072 features dual soft-starts which allows power sequencing between outputs.

Over current limit is provided by using external MOSFET's on-resistance for optimum cost and performance. This IRUD400CW60 features a programmable frequency set from 200KHz to 400KHz, under-voltage lockout for all input supplies, dual external programmable soft-start functions as well as output under-voltage detection that latches off the device when an output short is detected.




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