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FC3470DFN22 Datasheet(PDF) 1 Page - First Silicon Co., Ltd |
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FC3470DFN22 Datasheet(HTML) 1 Page - First Silicon Co., Ltd |
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1 / 13 page  600kHz, 18V, 2.0A Synchronous Step-Down Converter Features High Efficiency: Up to 95%@VIN=12V, VO=5V 600kHz Frequency Operation 2.0A Output Current No Schottky Diode Required 4.5V to 18V Input Voltage Range 0.6V Reference Excellent Line and Load Transient Response Integrated Internal Compensation Stable with Low ESR Ceramic Output Capacitors Over Current Protection with Hiccup-Mode Input Over Voltage Protection (IOVP) Thermal Shutdown Inrush Current Limit and Soft Start Available in DFN2x2-6 Package -40°C to +85°C Temperature Range Description The FC3470DFN22 is a fully integrated, high The FC3470DFN22 offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load. The FC3470DFN22 requires a minimum number of readily available standard external and is available in a DFN2x2-6 ROHS compliant package. Application Distributed Power Systems Digital Set Top Boxes Flat Panel Television and Monitors Notebook computer Wireless and DSL Modems Typical Application VIN EN GND LX FB VOUT= 3.3V R1 R2 22µF 22µF L BS 100nF CIN1 CIN2 CO1 100k Ω R3 4.7µH 51k Ω 11.3k Ω C4 0.1µF Typical Application Circuits Efficiency VOUT=3.3V, IOUT=0.01A to 2A, TA=25°C 60% 65% 70% 75% 80% 85% 90% 95% 100% 0.01 0.1 1 10 Output Current (A) 9V-3.3V 12V-3.3V 16V-3.3V converter. efficiency 2.0A synchronous rectified step-down components SEMICONDUCTOR TECHNICAL DATA FC3470DFN22 2019. 11. 29 1/13 Revision No : 0 |
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