Primary-side-regulation Pwm With Power Mosfet Integrated

  This third-generation Primary Side Regulation (PSR) and highly integrated PWM controller provides several features to enhance the performance of low-power Flyback Converters The proprietary topology, TRUECURRENT?, of FSEZ1317 enables precise CC regulation and simplified circuit design for battery- charger applications. A low-cost, smaller, and lighter charger results, as compared to a conventional design or a linear Transformer To minimize standby power consumption, the proprietary green mode provides off-time modulation to linearly decrease PWM frequency under light-load conditions. Green mode assists the power supply in meeting power conservation requirements. By using the FSEZ1317 a charger can be implemented with few external components and minimized cost. A typical output CV/CC characteristic envelope is shown in Figure 1.
Item: FSEZ1317
File Size : 117 KB
Pages : 16 Pages

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Fairchild Semiconductor
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