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FAN103MY 数据表(PDF) 1 Page - Fairchild Semiconductor |
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FAN103MY 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 16 page March 2010 © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN103 • Rev. 1.0.3 FAN103 Primary-Side-Regulation PWM Controller (PWM-PSR) Features Low Standby Power Under 30mW High Voltage Startup Fewest External Component Counts Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry Green-Mode Function: Linearly-Decreasing PWM Frequency Fixed PWM Frequency at 50kHz with Frequency Hopping to Solve EMI Problem Cable Compensation in CV Mode Peak-Current-Mode Control in CV Mode Cycle-by-Cycle Current Limiting VDD Over-Voltage Protection with Auto Restart VDD Under-Voltage Lockout (UVLO) Gate Output Maximum Voltage Clamped at 15V Fixed Over-Temperature Protection with Auto Restart Available in the 8-Lead SOP Package Applications Battery chargers for cellular phones, cordless phones, PDA, digital cameras, power tools, etc. Replaces linear transformer and RCC SMPS Description 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, TURECURRENT™, of FAN103 enables precise CC regulation and simplified circuit 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 function provides off-time modulation to linearly decrease PWM frequency under light-load conditions. This green mode assists the power supply in meeting the power conservation requirement. By using the FAN103, a charger can be implemented with few external components and minimized cost. A typical output CV/CC characteristic envelope is shown in Figure 1. VO IO Maximum Before Cable Compensation Minimum After Cable Compensation Figure 1. Typical Output V-I Characteristic Ordering Information Part Number Operating Temperature Range Eco Status Package Packing Method FAN103MY -40°C to +105°C Green 8-Lead, Small Outline Package (SOP-8) Tape & Reel For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html |
类似零件编号 - FAN103MY |
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类似说明 - FAN103MY |
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