SG6105A Fairchild Semiconductor, SG6105A Datasheet
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SG6105A
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SG6105A Summary of contents
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... For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Description SG6105A controller is designed for switching-mode power supplies 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 ...
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... Application Diagram © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Figure 1. Typical Application 2 www.fairchildsemi.com ...
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... UV Protector 3.2V 5V NVP 64μA 2.1V 6 Buffer 2.4V 4 Buffer OPP Delay 15ms V CC PSON 1.4V On/Off Delay 50ms 1 16ms © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0 2μA 0. SET Delay CLR 2.5V 7ms Delay 7ms Delay 2ms Figure 2. Function Block Diagram 3 PG GND 10 15 ...
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... Marking Information 20 SG6105ATP XXXXXXXXYWWV 1 ※Marking for SG6105ADZ (Pb-free) ※Marking for SG6105ADY(Green compound) Pin Configuration © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0 Null=Regular Ppackage XXXXXXXX: Wafer Lot Y: Year; WW: Week V: Assembly Location F- Fairchild Logo Z- Plant Code X- 1 Digit Year Code Y- 1 Digit Week Code ...
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... Soft-start, settable through an external capacitor. The current source output at this pin is 8µ and the voltage is clamped at 2.5V Connected to external resistor for the reference setting VCC Supply voltage. 4.5V ~ 5.5V connected to 5V-standby. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 =75kΩ www.fairchildsemi.com ...
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... The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol T Operating Ambient Temperature Range A © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Parameter (T =25° =90°C) A ...
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... V Deviation of V Over Temperature DEV, T REF (4) R Line Regulation EGLI- Output Sinking Current Capability OUT-FB Notes =(2/ (1/ OPPS OPP 4. Not tested in production. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Conditions PG High 3.3V 5.0V 12.0V 3.3V 5.0V 12.0V 3.3V 5.0V 12.0V V =1.5V (3) UVAC I =0.5mA, T =25° (4) I =0.5mA to 10mA ...
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... Duty Cycle PWM Output Section V Output Voltage Low OL V Output Voltage High OH R Output Impedance Note: 5. Not tested in production. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 (Continued) Conditions R =75kΩ =100pF, Pull 2. (5) C =100pF, Pull 2. =5mA ...
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... Temperature (°C) Figure 9. MAX Duty Cycle vs. Temperature © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0 110 125 Figure 6. Reference Voltage vs. Temperature 67 ...
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... Temperature (°C) Figure 13 UVP 7.060 7.050 7.040 7.030 -40 -25 - Temperature (°C) Figure 15. 12V V UVP © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 (Continued) 4.180 4.160 4.140 4.120 4.100 110 125 vs. Temperature 110 125 vs ...
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... PCB space and add to assembling costs. This single chip controller IC provides complete protection circuits, shunt regulators, and PWM control function with fewer components. SG6105A is an ideal controller IC for PC switching mode power supplies. The features and benefits of this device are: 1. ...
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... The OPP is used for detecting over-power and/or short- circuit conditions. When OPPS voltage (p.4, Note-1) is higher than 2.1V and this situation exists for longer than 7ms, SG6105A pulls the PG low and locks off the power outputs. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 ...
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... Timing Diagram VCC PSON 3.3V,5V,12V t PSON(ON) NVP SS(on/off VCC PSON UVAC OPP SS(on/off) PG © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 t PSON(OFF) t PSOFF Voltage < V UVAC Figure 20. Timing Diagram 13 t UVP t NVP t OPP www.fairchildsemi.com ...
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... Reference Circuit © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Figure 21. Reference Circuit 14 www.fairchildsemi.com ...
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... BOM Reference D1,D2,D6 D3 D4,D5 D7,D8,D9,D10,D11 R10 R11 R12 R13 © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 Component Reference PR1004 R14 2A45V R15 30C40 R16 1N4148 R17 62KΩ 1/8W R18 3.2KΩ 1/8W R19 510Ω 1% R20 1.5KΩ 1% R21 100Ω 1/8W R22 100Ω ...
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... Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2008 Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 24.892-26.924 6.223-6.477 1.524 5.334 MAX ...
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... Fairchild Semiconductor Corporation SG6105A • Rev. 1.0.2 17 www.fairchildsemi.com ...