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FAN6103 Arkusz danych(PDF) 1 Page - Fairchild Semiconductor |
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FAN6103 Arkusz danych(HTML) 1 Page - Fairchild Semiconductor |
1 / 13 page October 2009 © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6103 • Rev. 1.0.0 FAN6103 Power Supply Supervisor Plus PWM Features PC Half-Bridge Power Supply Supervisor Plus PWM High Integration, Few External Components Over-Voltage Protection for 3.3V, 5V, and 12V Under-Voltage Protection for 3.3V, 5V, and 12V Under-Voltage protection for –12V and/or –5V Over-Power and Short-Circuit Protection Power-Down Warning Circuitry Power-Good Circuitry Delay Time for PSON and PG Signal Remote ON/OFF Function On-Chip Oscillator and Error Amplifier Latching PWM for Cycle-By-Cycle Switching Push-Pull PWM Operation and Totem-Pole Outputs Soft-Start and Maximum 93% Duty Cycle Applications Desktop PC Power Supply Description FAN6103 controller is designed for switching mode power supply for desktop PCs. It provides all the functions necessary to monitor and control the output of the power supply. Remote ON/OFF control, power good circuitry, and protection features against over-voltage and over-power are implemented. It directly senses all the output rails for OVP without the need of external dividers. An innovated AC-signal sampling circuitry provides a sufficient power-down warning signal for PG. A built-in timer generates accuracy timing for control circuit, including the PS-off delay. The cycle-by-cycle PWM switching prevents the power transformer from saturation and ensures the fastest response for the short-circuit protection, which greatly reduces the stress for power transistors. Utilizing minimum external components, the FAN6103 includes all of the functions for push-pull and/or half- bridge topology, decreasing the production cost and PCB space, while increasing the mean time between failures for power supply Ordering Information Part Number Operating Temperature Range Eco Status Package Packing Method FAN6103NZ -40°C to +105°C RoHS 16-Pin Dual Inline Package (DIP) Tube For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. |
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