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IR3863MPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR3863MPBF
部品説明 SYNCHRONOUS BUCK REGULATOR
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR3863MPBF Datasheet, IR3863MPBF PDF,ピン配置, 機能
PD-97605
IR3863MPBF
SupIRBuckTM
6A HIGHLY INTEGRATED
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Input Voltage Range: 3V to 21V
Output Voltage Range: 0.5V to 12V
Continuous 6A Load Capability
Constant On-Time Control
Compensation Loop not Required
Excellent Efficiency at Very Low Output Currents
Programmable Switching Frequency and Soft
Start
Thermally Compensated Over Current
Protection
Power Good Output
Precision Voltage Reference (0.5V, +/-1%)
Enable Input with Voltage Monitoring Capability
Pre-bias Start Up
Thermal Shut Down
Under/Over Voltage Fault Protection
Forced Continuous Conduction Mode Option
Very Small, Low Profile 4mm x 5mm QFN
Package
Description
The IR3863 SupIRBuckTM is an easy-to-use, fully
integrated and highly efficient DC/DC voltage
regulator. The onboard constant on-time
hysteretic controller and MOSFETs make IR3863
a space-efficient solution that delivers up to 6A of
precisely controlled output voltage.
Programmable switching frequency, soft start,
and thermally compensated over current
protection allows for a very flexible solution
suitable for many different applications and an
ideal choice for battery powered applications.
Additional features include pre-bias startup, very
precise 0.5V reference, over/under voltage shut
down, power good output, and enable input with
voltage monitoring capability.
Applications
Notebook and Desktop Computers
Game Consoles
Consumer Electronics STB, LCD, TV, Printers
General Purpose POL DC-DC Converters
8/8/2012 Rev3.2
1
Free Datasheet http://www.datasheet4u.com/

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SYNCHRONOUS BUCK REGULATOR

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