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FAN102 Arkusz danych(PDF) 1 Page - Fairchild Semiconductor |
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FAN102 Arkusz danych(HTML) 1 Page - Fairchild Semiconductor |
1 / 21 page www.fairchildsemi.com © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com Rev. 1.0.1 • 1/26/10 AN-6067 Design and Application of Primary-Side Regulation (PSR) PWM Controller FAN100 / FAN102 / FSEZ1016A / FSEZ1216 Abstract This application note describes a typical charger using the PSR controller. Both the features of this controller, as well as the operation of the power supply adaptor, are presented in detail. Based on the proposed design guideline, a design example with detailed parameters is given to demonstrate the superior performance of the controller. Applications Battery chargers for cellular phones, cordless phones, PDAs, digital cameras, power tools Optimal choice for the replacement of linear transformers and RCC SMPS Features Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry Accurate Constant Current Achieved by Fairchild’s Proprietary TRUECURRENT™ Technique Green-Mode Function: PWM Frequency Decreasing Linearly Fixed PWM Frequency at 42kHz with Frequency Hopping to Solve EMI Problems Low Startup Current: 10μA (Typical) Low Operating Current: 3.5mA (Typical) Peak-Current-Mode Control Cycle-by-Cycle Current Limiting VDD Over-Voltage Protection (OVP) VDD Under-Voltage lockout (UVLO) Gate Output Maximum Voltage Clamped at 18V Fixed Over-Temperature Protection (OTP) Cable Compensation for Tight CV Regulation (FAN102 / FSEZ1216) PSR PWM Controller FAN100 PSR PWM Controller FAN102 FAN100 + Cable Compensation FSEZ1016A FAN100 + MOSFET (1A/600V) FSEZ1216 FAN102 + MOSFET (1A/600V) Pin Configurations Figure 1. FAN100 Figure 2. FAN102 Figure 3. FSEZ1016A Figure 4. FSEZ1216 |
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