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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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FC3255 Arkusz danych(PDF) 1 Page - First Components International |
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FC3255 Arkusz danych(HTML) 1 Page - First Components International |
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1 / 18 page  Description 3255 products are 280 kHz switching regulators with a high efficiency, 1.5 A integrated switch. These parts oper- ate over a wide input voltage range, from 2.7 V to 30 V. The flexibility of the design allows the chips to operate in most power supply configurations, including boost, flyback, forward, inverting, and SEPIC. The ICs utilize current mode architecture, which allows excellent load and line reg- ulation, as well as a practical means for limiting current. Combining high frequency operation with a highly inte- grated regulator circuit results in an extremely compact power supply solution. The circuit design includes provi- sions for features such as frequency synchronization, shut- down, and feedback controls for either positive or negative voltage regulation. Application Boost Regulators CCFL Backlight Driver Laptop Computer Supplies Multiple Output Flyback Supplies Inverting Supplies TFT LCD Bias Supplies TYPICAL APPLICATION CIRCUITS Features Integrated Power Switch: 1.5 A Guaranteed Input Voltage Range: 2.7 V to 30 V High Frequency Allows for Small Components Minimum External Components Easy External Synchronization Built in Overcurrent Protection Frequency Foldback Reduces Component Stress During an Overcurrent Condition Thermal Shutdown with Hysteresis Regulates Either Positive or Negative Output Voltages Shut Down Current: 50 µA Maximum Wide Temperature Range Commercial Commercial Grade : 0 to 70°C (3255) 3255 V C FB Test SS V SW PGND AGND V CC 1 2 3 4 5 6 7 8 R2 3.72K C1 0.01µF SS 3.3V R1 5k R3 1.28k C2 22µF L1 22µH D1 MBRS120T3 V OUT 5V C3 22µF + + FC3255 1.5A PWM Switching Regulators |
Podobny numer części - FC3255 |
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Podobny opis - FC3255 |
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