FSQ0565R Fairchild Semiconductor, FSQ0565R Datasheet
FSQ0565R
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FSQ0565R Summary of contents
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... Fairchild Power Switch Fairchild Power Switch(FPS Applications AN-4150: Design Guidelines for Flyback Converters Using FSQ-Series Fairchild Power Switch (FPS © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 Low EMI and High Efficiency Description A Quasi-Resonant Converter (QRC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency ...
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... Ordering Information Product Operating (5) PKG. Number Temp. FSQ0565R TO-220F-6L -25 to +85°C FSQ0765R TO-220F-6L -25 to +85°C Notes: 1. The junction temperature can limit the maximum output power. 2. 230V or 100/115V with doubler Typical continuous power in a non-ventilated enclosed adapter measured at 50°C ambient temperature. ...
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... V V Burst CC ref I I delay < OSP after SS LPF V OSP OVP © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 V str Drain PWM Sync GND Figure 1. Typical Flyback Application Sync 5 AVS OSC PWM Soft- LEB Start ...
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... V str nal capacitor connected to the V disabled not recommended to connect V © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 FSQ0765R Rev.00 Figure 3. Pin Configuration (Top View) Description pin. Once ...
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... Junction-to-Ambient Thermal Resistance JA θ Junction-to-Case Thermal Resistance JC Notes: 8. Free standing with no heat-sink under natural convection. 9. Infinite cooling condition - refer to the SEMI G30-88. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 = 25°C, unless otherwise specified. A Parameter FSQ0565R FSQ0765R T = 25°C C ...
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... FB D Minimum Duty Cycle MIN V START UVLO Threshold Voltage V STOP t Internal Soft-Start Time S/S BURST-MODE SECTION V BURH V Burst-Mode Voltages BURL Hysteresis © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 Condition 100µ 560V DS FSQ0565R T = 25° 0. FSQ0765R T = 25° 0.5A ...
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... CH V Minimum V Supply Voltage STR STR Notes: 8. Propagation delay in the control IC. 9. Guaranteed by design; not tested in production. 10. Includes gate turn-on time. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 (Continued) Condition FSQ0565R T = 25°C, di/dt = 370mA/µs J FSQ0765R T = 25°C, di/dt = 460mA/µs J ...
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... Operation Operation Strong Protections OLP, OVP ° 145 C without TSD Hysteresis © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 FSQ-Series FSQ-Series Advantages Improved efficiency by valley switching Quasi-Resonant Reduced EMI noise Operation Reduced components to detect valley point Valley Switching Reduce EMI Noise ...
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... Temperature [°C] Figure 6. UVLO Stop Threshold Voltage (V ) vs. T STOP 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 8. Initial Switching Frequency (f © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 = 25°C. A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 -25 ) vs. T Figure 5. UVLO Start Threshold Voltage OP A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 -25 Figure 7. Start-up Charging Current ( ...
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... Temperature [°C] Figure 12. Shutdown Delay Current (I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 14. Burst-Mode Low Threshold Voltage (V ) vs. T burl © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 (Continued) = 25°C. A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 -25 ) vs. T Figure 11. Feedback Source Current ( 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 - ...
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... Temperature [°C] Figure 18. Shutdown Feedback Voltage (V 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 20. Sync High Threshold Voltage vs. T SH2 © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 (Continued) = 25°C. A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 -25 Figure 17. Sync Low Threshold Voltage 1 A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 - ...
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... Therefore, the peak value of the current FB through the SenseFET is limited. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 2.2 Leading-Edge Blanking (LEB): At the instant the internal SenseFET is turned on, a high-current spike usually occurs through the SenseFET, caused by primary-side capacitance and secondary-side rectifier ...
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... sync internal delay Figure 26. V < 4. sync © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0 case of a heavy W and waits for B B goes below 4.4V sync , the Figure 27. After V 4. Protection Circuits: The FSQ-series has several I DS ...
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... The voltage across the resistor is compared with a preset AOCP level. If the sensing resistor voltage is greater than the AOCP level, the set signal is applied to the latch, resulting in the shutdown of the SMPS. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 3R PWM R AOCP FSQ0765R Rev.00 Figure 30 ...
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... This mode helps prevent transformer saturation and reduces stress on the secondary diode during start-up. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 6. Burst Operation: To minimize power dissipation in standby mode, the FPS enters burst-mode operation. As the load decreases, the feedback voltage decreases. As ...
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... Figure 34. QRC Operation with Limited Frequency © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 8. AVS (Alternating Valley Switching): Due to the quasi-resonant operation with limited frequency, the (Case D). Therefore, W switching frequency varies depending on input voltage, load transition, and so on ...
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... When the heat sink is connected to the ground, it should be connected to the power ground. If possible, avoid using jumper wires for power ground and drain. Mylar® registered trademark of DuPont Teijin Films. © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 controller and is better for smooth CC Figure 37. Recommended PCB Layout 17 www ...
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... Vcc 4 3 Vfb 4 GND D102 UF 4004 R107 2 18kΩ 5 ZD101 1N4745A R108 12kΩ Optional components Figure 38. Demo Circuit of FSQ0565R 18 Output Voltage (Maximum Current) 5.1V (2.0A) 46W 12V (3.0A) pin to avoid malfunction by abrupt pul- CC L201 D201 T1 5μH MBRF10H100 EER3016 12V C202 C201 1000μ ...
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... Figure 39. Transformer Schematic Diagram of FSQ0565R 3. Winding Specification Position No Pin (s→f) Top Insulation: Polyester Tape t = 0.025mm, 4 Layers Insulation: Polyester Tape t = 0.025mm, 2 Layers N /2 12V Insulation: Polyester Tape t = 0.025mm, 2 Layers N a Insulation: Polyester Tape t = 0.025mm, 2 Layers ...
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... C105 33nF/50V C106 100nF/50V C107 47µF/50V C201 1000µF/25V C202 1000µF/25V C203 1000µF/10V C204 1000µF/10V © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 Note Part C205 1W C301 1/2W 1W L201 1W L202 optional, 1/4W 1/4W D101 1/4W D102 ...
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... Package Dimensions TO-220F-6L (Forming) MKT-TO220A06revB © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 Figure 40. 6-Lead, TO-220 Package 21 www.fairchildsemi.com ...
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... Datasheet Identification Product Status Advance Information Formative or In Design Preliminary First Production No Identification Needed Full Production Obsolete Not In Production © 2007 Fairchild Semiconductor Corporation FSQ0565R, FSQ0765R Rev. 1.0.0 Power247 POWEREDGE Power-SPM PowerTrench Programmable Active Droop ® QFET QS QT Optoelectronics Quiet Series RapidConfigure SMART START ® ...