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IR3838MPBF PDF预览

IR3838MPBF

更新时间: 2024-11-05 12:46:27
品牌 Logo 应用领域
英飞凌 - INFINEON 稳压器输入元件
页数 文件大小 规格书
35页 1352K
描述
HIGHLY INTEGRATED 10A SINGLE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR

IR3838MPBF 数据手册

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

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