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US2076

Features: ·The US2076 eliminates the need for a seperate switching controller IC·Minimum part count allows lower system cost·Adjustable 7.5A LDO on board·1.1V Dropout at 7.5A·On board MOSFET driver·Fastest transient response of any controller method. ( 0 to 100% Duty Cycle in 100 nS )·1% internal ...

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SeekIC No. : 004538618 Detail

US2076: Features: ·The US2076 eliminates the need for a seperate switching controller IC·Minimum part count allows lower system cost·Adjustable 7.5A LDO on board·1.1V Dropout at 7.5A·On board MOSFET driver·...

US2076 Data Sheet

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Part Number:
US2076
Supply Ability:
5000

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

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Upload time: 2024/11/11

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Product Details

Description



Features:

·The US2076 eliminates the need for a seperate switching controller IC
·Minimum part count allows lower system cost
·Adjustable 7.5A LDO on board
·1.1V Dropout at 7.5A
·On board MOSFET driver
·Fastest transient response of any controller method. ( 0 to 100% Duty Cycle in 100 nS )
·1% internal voltage reference
·Internal Thermal shutdown
·Internal Under Voltage Lockout protects
·MOSFET during start-up


Application

·Dual supply low voltage processor applications, such as: P55Cä,CYRIX M2ä, POWER PCä and AMD K6ä


Specifications

12V Supply Voltage .............................................................   14V
Vin Supply Voltage ..............................................................     7V
LDO Power Dissipation .................................... Internally Limited
FB Pin Voltage........................................................      -0.3V to 5V
Storage Temperature Range .................................  -65 TO 150°C
Operating Junction Temperature ............................... 0 TO 150°C


Description

The US2076 is a dual function IC combining a switching controller and a 7.5A adjustable low dropout regulator all in a compact 7 pin TO220 and TO263 surface mount packages providing a total solution for dual supply processor applications such as an Intel P55C ä, AMD K6ä, as well as Cyrix 6X86Lä and the M2äprocessors. Typically in these applications a dual supply regulator US2076 converts 5V to 3.3V for I/O supply and a jumper programmable supply of 1.25V to 3.5V for CORE supply.The linear regulator portion in the US2076 is an adjustable one that can be programmed to 3.30V output and has a minimum of 7.5A current capability designed to provide ample current for most applications.

The US2076 uses an internal regulator generated from the 12V supply to power the switching controller as well as the 12V supply to drive the power MOSFET, allowing a low cost N channel MOSFET switch to be used. The IC US2076 also includes an error comparator for fast transient response, a precise voltage reference for setting the output voltage as well as a direct drive of the MOSFET for the minimum part count.




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