SG684965TZ Fairchild Semiconductor, SG684965TZ Datasheet
SG684965TZ
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SG684965TZ Summary of contents
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... Open-frame SMPS for TV/DVD standby and other auxiliary supplies, home appliances, consumer electronics, and PC 5V standby-power Replacements for linear transformers and RCC SMPS © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 Description This highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters ...
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... Ordering Information Part Operating Number Temperature Range SG684965TZ -40°C to +105°C SG684965DZ -40°C to +105°C SG684965DY -40°C to +105°C For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. Application Diagram Internal Block Diagram GND 8(1) Internal Supply VDD ...
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... Marking Information *Marking for SG684965TZ (Pb-free) *Marking for SG684965DZ (Pb-free) *Marking for SG684965DY (Green Compound) © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 XX: BB=SG6849-65T TT : Die Run Code . . . : Year Code - - - : Week Code T: D=DIP P: Z= Lead free + RoHS Compatible Null=Regular Package XXXXXXXX: Wafer Lot ...
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... GND © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 Description The totem-pole output driver for driving the power MOSFET. Power supply. No connection. Current sense. It senses the voltage across a sensed resistor. To provide over- current protection, PWM output is disabled if the voltage exceeds an internal threshold ...
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... Machine Model, JEDEC:JESD22-C101 Notes: 1. All voltage values, except differential voltages, are given with respect to GND pin. 2. Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 Parameter (1, 2) SSOT DIP 5 Min ...
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... FB-OPEN Z Input Impedance Feedback Threshold Voltage* DD-FB DD Current-Sense Section t Delay to Output PD V Valley Threshold Voltage for Current Limit STHVA t Leading-Edge Blanking Time LEB © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 =25°C. A Conditions V =15V DD V =15V, C =1nF =10mA DD I =0.1mA to 0.2mA FB ...
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... Rising Time r t Falling Time f V GATE- Output Clamp Voltage CLAMP Over-Temperature Protection (OTP) T Protection Junction Temperature OTP T OTP- Restart Junction Temperature RESTART © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 (Continued) =25°C. A Conditions Deviation V =10 to 20V =15V, I =10mA =15V, I =10mA ...
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... Temperature (°C) Figure 9. Startup Current (I 70.0 65.0 60.0 55.0 50.0 -40 -25 - Temperature (°C) Figure 11. Center Frequency (f © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6 110 125 ) Figure 8. Turn-off Threshold Voltage (V DD- 110 125 ) vs. Temperature Figure 10. Center Frequency (f DD- 110 125 ) vs ...
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... Temperature (°C) Figure 15. Output Voltage Low (V vs. Temperature 1.00 0.90 0.80 0.70 0.60 0. Figure 17. Valley Threshold Voltage (V Figure 19. V © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 (Continued) 0.80 0.78 0.76 0.74 0.72 0. 100 125 ) Figure 14. Valley Threshold Voltage ( 110 125 ) Figure 16 ...
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... PWM controller is shut down immediately. This situation continues until the temperature drops below 130°C. The PWM output then turns back on. The temperature hysteresis window for the OTP circuit is 20°C. © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 V Over-Voltage Clamping ...
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... SG6849 with every switching cycle. The slope of the ramp is: 0.36 × Duty Duty(max.) © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 Noise Immunity Noise from the current sense or the control signal may cause significant pulse width jitter, particularly in continuous-conduction mode ...
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... CY1 (Option) YC 102pF/400V (Y1 0.01μF/500V C2 EC 10μF/400V 105º 1000pF/500V C4 EC 10μF/50V C7 (Option) CC 102pF/100V 1206 C8 EC 470μF/10V 105º 220μF/10V 105ºC D1 Diode FRI07 D2 Diode FR102 D4 Diode SB360 D5 (Option) ZD 6.8V/0.5W © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6 VDD ...
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... EC 10μF50V C6 CC 472p/0805 C7 CC 102p/100V 1206 C8 EC 470μF10V 105º 470μF10V 105ºC C10 CC 222p/0805 D1 Diode FR107 D2 Diode FR102 D4 Diode SB360 D5 (Option) ZD 6.8V/0. 1Ω/0.5W Resistor L1 Inductor 20mH 6*8mm © 2008 Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 (Continued ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. 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’ ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. 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’ ...
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... Fairchild Semiconductor Corporation SG6849 Rev. 1.6.1 16 www.fairchildsemi.com ...