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IR3838MPbF PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IR3838MPbF
部品説明 SYNCHRONOUS BUCK REGULATOR
メーカ International Rectifier
ロゴ International Rectifier ロゴ 



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IR3838MPbF Datasheet, IR3838MPbF PDF,ピン配置, 機能
PD97512
IR3838MPbF
SupIRBuckTM
HIGHLY INTEGRATED 10A
SINGLE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Description
Greater than 96% Maximum Efficiency
The IR3838 SupIRBuckTM is an easy-to-use, fully
Single 16V Application
integrated and highly efficient DC/DC regulator.
Single 5V Application
The onboard PWM controller and MOSFETs
Wide Output Voltage Range: 0.6V to 0.9*Vin
make IR3838 a space-efficient solution, providing
Continuous 10A Load Capability
Programmable Switching Frequency up to 1.5MHz
Internal Digital Soft-Start
accurate power delivery for low output voltage
applications.
Enable Input with Voltage Monitoring Capability
IR3838 is a versatile regulator which offers
Hiccup Mode Over Current Protection
programmability of switching frequency and
Internal LDO
current limit while operates in wide input and
External Synchronization
output voltage range.
Enhanced PreBias Start up
The switching frequency is programmable from
External Reference for Margining Purposes
250kHz to 1.5MHz for an optimum solution.
Input for Tracking Applications
Integrated MOSFET Drivers and Bootstrap Diode It also features important protection functions,
Operating Junction Temp: -40oC <Tj<125oC
such as Pre-Bias startup, hiccup current limit and
Thermal Shut Down
thermal shutdown to give required system level
Power Good Output with tracking capability
security in the event of fault conditions.
Over Voltage Detection Feature
IR3838 offers margining capability through Vref
Pin Compatible with 6A and 14A Versions
pin. During the margining operation, PGood
Small Size 5mmx6mm PQFN, 0.9 mm Height
tracks Vref via feedback to ensure correct status
Lead-free, Halogen-free and RoHS Compliant
of the output voltage.
Applications
Netcom and Telecom Applications
Data Center Applications
Distributed Point of Load Power Architectures
The internal LDO enables the device to operate
from a single supply. This internal LDO can be
bypassed when an external bias voltage is
available.
Rev 1.41
Fig. 1. Typical application diagram
1

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