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IR3811MPBF, IR3812, IR3812MPBF

Table of contents:
Info of IR3811MPBF
Info of IR3812
Info of IR3812MPBF

IR3811MPBF, IR3812, IR3812MPBF Selling Leads, Datasheet

MFG:IR Package Cooled:QFN D/C:08+

IR3811MPBF, IR3812, IR3812MPBF Datasheet download

Five Points

Part Number: IR3811MPBF

MFG: IR

Package Cooled: QFN

D/C: 08+

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IR3811MPBF General Description

The IR3811 SupIRBuck^TM is an easy-to-use, fully integrated and highly efficient DC/DC regulator. The onboard switching controller and MOSFETs make the IR3811 a space-efficient solution, providing accurate power delivery for low output voltage applications.

The IR3811 operates from a 4.5V to 14V input supply and generates an output voltage adjustable from 0.6V to 0.80*Vin at loads up to 7A.

IR3811 can be configured for tracking applications to generate termination voltage (VTT) for memory applications.

A versatile regulator offering programmability of start up time and current limit, the IR3811's fixed 600kHz switching frequency allows the use of small external components. IR3811 also features important protection functions, such as Pre-Bias startup, hiccup current limit and thermal shutdown to provide the required system level security in the event of fault conditions.

IR3811MPBF Features

• Wide Input Voltage Range 2.5V to 21V
• Wide Output Voltage Range 0.6V to 12V
• Continuous 7A Load Capability
• 600kHz High Frequency Operation
• Programmable Over-Current-Protection
• Hiccup Current Limit
• Tracking capability for Memory Application
• Precision Reference Voltage (0.6V)
• Programmable Soft-Start
• Pre-Bias Start-up
• Thermal Protection
• Thermally Enhanced Package
• Small Size 5mmx6mm QFN
• Pb-Free (RoHS Compliant)

IR3811MPBF Typical Application

• Distributed Point-of-Loads
• Server and Workstations
• Embedded Systems
• Storage Systems
• DDR Applications
• Graphics Cards
• Game Consoles
• Computing Peripheral Voltage Regulators

IR3812MPBF General Description

The IR3812 SupIRBuckTM is an easy-to-use, fullyintegrated and highly efficient DC/DC regulator.The onboard switching controller and MOSFETs make the IR3812 a space-efficient solution,providing accurate power delivery for low output voltage applications.
The IR3812 operates from a 4.5V to 14V input supply and generates an output voltageadjustable from 0.6V to 0.80*Vin at loads up to 4A.IR3812 can be configured for trackingapplications to generate termination voltage (VTT)
for memory applications.
A versatile regulator offering programmability of start up time and current limit, the IR3812's fixed 600kHz switching frequency allows the use of small external components.
IR3812 also features important protection functions, such as Pre-Bias startup, hiccup current limit and thermal shutdown to provide the required system level security in the event of fault conditions.

IR3812MPBF Features

• Wide Input Voltage Range 2.5V to 21V
• Wide Output Voltage Range 0.6V to 12V
• Continuous 4A Load Capability
• 600kHz High Frequency Operation
• Programmable Over-Current-Protection
• Hiccup Current Limit
• Tracking capability for Memory Application
• Precision Reference Voltage (0.6V)
• Programmable Soft-Start
• Pre-Bias Start-up
• Thermal Protection
• Thermally Enhanced Package
• Small Size 5mmx6mm QFN
• Pb-Free (RoHS Compliant)

IR3812MPBF Typical Application

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