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IR3876MPBF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR3876MPBF
部品説明 SYNCHRONOUS BUCK REGULATOR
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



Total 21 pages
		

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IR3876MPBF Datasheet, IR3876MPBF PDF,ピン配置, 機能
PD-97763
IR3876MPBF
SupIRBuckTM
12A HIGHLY INTEGRATED
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Input Voltage Range: 3V to 21V
Output Voltage Range: 0.5V to 12V
Continuous 12A Load Capability
Constant On-Time control
Excellent Efficiency at very low output current levels
Compensation Loop not Required
Programmable switching frequency, soft start, and
over current protection
Power Good Output
Precision Voltage Reference (0.5V, +/-1%)
Pre-bias Start Up
Under/Over Voltage Fault Protection
Ultra small, low profile 5mm x 6mm QFN Package
Applications
Notebook and desktop computers
Game consoles
Consumer electronics STB, LCD, TV, printers
General purpose POL DC-DC converters
Description
The IR3876 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
IR3876 a space-efficient solution that delivers up
to 12A of precisely controlled output voltage in
60oC ambient temperature applications without
airflow.
Programmable switching frequency, soft start,
and 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.
V5
(4.5V-7.5 V)
RFF
VIN
(3V-21V)
CLDO
CSS
VCC
3VCBP
FF
VIN BOOT
PHASE
EN IR 3876
PGND
PGOOD
SS
GND
ISET
FB
CBOOT
L
RISET
VOUT
(0.5V-12V)
C0
R1
R2
1
Free Datasheet http://www.datasheet4u.com/

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