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IRU3039

Features: Current Limit using Lower MOSFET Sensing Using the 6V internal regulator for charge pump circuit allows single supply operation up to 18V Programmable Switching Frequency up to 400KHz Soft-Start Function 0.8V Precision Reference Voltage Available Uncommitted Error Amplifier Available fo...

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SeekIC No. : 004378836 Detail

IRU3039: Features: Current Limit using Lower MOSFET Sensing Using the 6V internal regulator for charge pump circuit allows single supply operation up to 18V Programmable Switching Frequency up to 400KHz Sof...

IRU3039 Data Sheet

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Part Number:
IRU3039
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: 2024/11/23

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Product Details

Description



Features:

Current Limit using Lower MOSFET Sensing
Using the 6V internal regulator for charge pump circuit allows single supply operation up to 18V
Programmable Switching Frequency up to 400KHz
Soft-Start Function
0.8V Precision Reference Voltage Available
Uncommitted Error Amplifier Available for DDR Voltage Tracking Applications
Stable with Ceramic Capacitor


Application

DDR Memory VDDQ/VTT Applications
Graphic Card
Hard Disk Drive
Netcom on-board DC to DC regulator application
Output voltage as low as 0.8V
Low Cost On-Board DC to DC


Pinout

Connection Diagram


Specifications

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


Description

The IRU3039 controller IC is designed to provide a synchronous Buck regulator and is targeted for applications where the cost and size is critical. The IRU3039 operates with a single input supply up to 18V. The output voltage can be programmed as low as 0.8V for low voltage applications. Selectable current limit is provided to tailor to external MOSFET's on-resistance for optimum cost and performance. The IRU3039 features an uncommitted error amplifier for tracking output voltage and is capable of sourcing or sinking current for applications such as DDR bus termination.

This IRU3039  features a programmable switching frequency set from 200KHz to 400KHz, under-voltage lockout for both Vcc and Vc 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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