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IR3892 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR3892
部品説明 Highly Integrated SupIRBuck
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR3892 Datasheet, IR3892 PDF,ピン配置, 機能
Dual output, 6A/Phase, Highly Integrated SupIRBuck®
Single-Input Voltage, Synchronous Buck Regulator
IR3892
FEATURES
Single 5V to 21V application
Wide Input Voltage Range from 1V to 21V with
external Vcc
Output Voltage Range: 0.5V to 0.86*PVin
Dual output, 6A/Phase
Enhanced Line/Load Regulation with Feed-
Forward
Programmable Switching Frequency up to 1.0MHz
Internal Digital Soft-Start
Enable input with Voltage Monitoring Capability
Thermally compensated current limit and Hiccup
Mode Over Current Protection
External synchronization with Smooth Clocking
Precision Reference Voltage (0.5V +/-1%)
Seq pin for Sequencing Applications
Integrated MOSFETs, drivers and Bootstrap diode
Thermal Shut Down
Open Feedback Line Protection
Over Voltage Protection
Interleaved Phases to reduce Input Capacitors
Monotonic Start-Up
Operating Junction Temp: -40oC<Tj<125oC
Small Size 5mm x 6mm PQFN
Lead-free, Halogen-free, and RoHS Compliant
DESCRIPTION
The IR3892 SupIRBuck® is an easy-to-use, fully
integrated and highly efficient DC/DC regulator. The
onboard PWM controller and MOSFETs make IR3892
a space-efficient solution, providing accurate power
delivery for low output voltage.
IR3892 is a versatile regulator which offers
programmability of switching frequency and a fixed
current limit while operating in wide input and output
voltage range.
The switching frequency is programmable from
300kHz to 1.0MHz for an optimum solution.
It also features important protection functions, such as
Over Voltage Protection (OVP), Pre-Bias startup,
hiccup current limit and thermal shutdown to give
required system level security in the event of fault
conditions.
APPLICATIONS
Sever Applications
Netcom Applications
Set Top Box Applications
Storage Applications
Embedded telecom Systems
Distributed Point of Load Power Architectures
Computing Peripheral Voltage regulators
General DC-DC Converters
ORDERING INFORMATION
Base Part
Number
IR3892
IR3892
Package Type
PQFN 5mm x 6mm
PQFN 5mm x 6mm
Standard Pack
Form
Quantity
Tape and Reel
750
Tape and Reel
4000
Orderable Part
Number
IR3892MTR1PBF
IR3892MTRPBF
1 www.irf.com © 2013 International Rectifier
August 02, 2013
Free Datasheet http://www.datasheet4u.com/

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