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C3216X5R1E226M PDF预览

C3216X5R1E226M

更新时间: 2024-11-25 12:42:47
品牌 Logo 应用领域
英飞凌 - INFINEON /
页数 文件大小 规格书
21页 904K
描述
15A Highly Integrated SupIRBuck Constant On.Time Control

C3216X5R1E226M 数据手册

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15A Highly Integrated SupIRBuckTM  
IR3477  
FEATURES  
DESCRIPTION  
The IR3477 SupIRBuckTM is an easytouse, fully integrated  
and highly efficient DC/DC voltage regulator. The onboard  
constant on time hysteretic controller and MOSFETs make  
IR3477 a spaceefficient solution that delivers up to 15A of  
precisely controlled output voltage.  
Input Voltage Range: 3V to 27V  
Output Voltage Range: 0.5V to 12V  
Continuous 15A Load Capability  
Constant OnTime Control  
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.  
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  
Additional features include prebias startup, very precise  
0.5V reference, under/over voltage shutdown, thermal  
protection, power good output, and enable input with  
voltage monitoring capability.  
Precision Voltage Reference (0.5V, +/1%)  
Enable Input with Voltage Monitoring Capability  
Prebias Start Up  
Thermal Shut Down  
APPLICATIONS  
Under/Over Voltage Fault Protection  
Forced Continuous Conduction Mode Option  
Small, Low Profile 5mm x 6mm QFN Package  
Notebook and Desktop Computers  
Consumer Electronics – STB, LCD, TV, Printers  
12V and 24V Distributed Power Systems  
General Purpose POL DCDC Converters  
Game Consoles and Graphics Cards  
EFFICIENCY  
BASIC APPLICATION  
95%  
85%  
75%  
19VIN  
12VIN  
65%  
8VIN  
55%  
45%  
0.01  
0.1  
1
10  
100  
Load Current (A)  
Figure 2: IR3477 Efficiency  
Figure 1: IR3477 Basic Application Circuit  
1
March 27, 2013 | V2.5 | PD97604  

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