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LTM4658EVPBF Arkusz danych(PDF) 1 Page - Analog Devices |
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LTM4658EVPBF Arkusz danych(HTML) 1 Page - Analog Devices |
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1 / 26 page  LTM4658 1 Rev. 0 For more information www.analog.com Document Feedback TYPICAL APPLICATION FEATURES DESCRIPTION Low VIN, High Efficiency 10A Step-Down DC/DC µModule Regulator The LTM®4658 is a complete 10A step-down switching mode μModule® regulator in a tiny 4mm × 4mm × 4.32mm LGA package. Included in the package are the switch- ing controller, power MOSFETs, inductor and all support components. Operating over an input voltage range of 2.25V to 5.5V, the LTM4658 supports an output voltage range of 0.5V to VIN set by external resistors. Its high efficiency design delivers 10A continuous output current. Only ceramic input and output capacitors are needed. The LTM4658 employs a Silent Switcher 2 architecture with internal hot loop bypass capacitors to achieve both low EMI and high efficiency at high switching frequencies. The LTM4658 also supports frequency synchronization, multiphase operation, selectable pulse-skipping mode operation, output voltage tracking for supply rail sequenc- ing. Its high switching frequency and a current mode architecture enables a very fast transient response to line and load changes without sacrificing stability. Fault protection features include overvoltage, overcurrent and overtemperature protection. The LTM4658 is Pb-Free and RoHS compliant. Single 10A, 1V Output DC/DC μModule Regulator APPLICATIONS n Tiny Surface Mount, 4mm × 4mm × 4.32mm LGA Package n Silent Switcher®2 Architecture n Ultralow EMI Noise n Input Voltage Range: 2.25V to 5.5V n Output Voltage Range: 0.5V to VIN n 10A DC Output Current n Current Mode Control, Fast Transient Response n Multiphase Parallel Current Sharing with Multiple LTM4658s n Output Soft-Start with Voltage Tracking n External Frequency Synchronization n Selectable Pulse-Skipping Mode n Power Good Indicator n Die Temperature Monitoring Output n Overvoltage, Overcurrent and Overtemperature Protection n Telecom, Datacom, Networking System n Optical Module n Industrial Equipment n Point-of-Load Regulation All registered trademarks and trademarks are the property of their respective owners. Efficiency vs Load Current LOAD CURRENT (A) 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 0 0.5 1.0 1.5 2.0 2.5 3.0 4658 TA01b EFFICIENCY POWER LOSS VIN = 3.3V VOUT = 1V FREQ = 2MHz VIN RUN FREQ SSTT COMP VOUT GND FB AGND MODE/SYNC 60.4k 60.4k 4658 TA01a 100µF 6.3V 22µF 6.3V VOUT 1V 10A VIN 2.5V TO 5.5V LTM4658 PGOOD 0.1µF |
Podobny numer części - LTM4658EVPBF |
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Podobny opis - LTM4658EVPBF |
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