FSGM300N Fairchild Semiconductor, FSGM300N Datasheet
FSGM300N
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FSGM300N Summary of contents
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... Typical continuous power in a non-ventilated enclosed adapter measured at 50°C ambient temperature. 5. Maximum practical continuous power in an open-frame design at 50°C ambient temperature. © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Description The Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components ...
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... Application Circuit Internal Block Diagram © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Figure 1. Typical Application Circuit Figure 2. Internal Block Diagram 2 www.fairchildsemi.com ...
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... At startup, the internal high-voltage current source supplies internal bias and charges the 5 V STR external capacitor connected to the V source ( Drain SenseFET Drain. High-voltage power SenseFET drain connection. © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Figure 3. Pin Configuration (Top View) Description pin. Once disabled reaches 12V, the internal current CC ...
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... Junction-to-Case Thermal Impedance JC Ψ Junction-to-Top Thermal Impedance JT Notes: 10. Infinite cooling condition (refer to the SEMI G30-88). 11. Free standing with no heat-sink under natural convection. 12. Measured on the package top surface. © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Parameter T =25°C C (6) T =100°C C (7) (8) =25° ...
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... LEB V Over-Voltage Protection OVP t Threshold Time OSP Output-Short V Threshold V (13) OSP Protection t V OSP_FB T SD Thermal Shutdown Temperature Hys © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Conditions V =0V, I =250μ =520V, T =125° =10V (13) V =25V, V =0V, f=1MHz DS GS ...
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... V Minimum V Supply Voltage STR STR Notes: 13. Although these parameters are guaranteed, they are not 100% tested in production. 14. Average value 15. t includes gate turn-on time. LEB Comparison of FSFM300N and FSGM300N Function FSFM300N Random Frequency Fluctuation Operating Current 3mA OLP OVP Protections AOCP ...
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... Figure 7. Startup Charging Current (I 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40℃ -25℃ 0℃ 25℃ Temperature [°C] Figure 9. Feedback Source Current (I © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 =25°C. A 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0. 100 120 -40℃ ...
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... Temperature [°C] Figure 15. Switching Frequency (f © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 =25°C. A 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 50℃ 75℃ 100℃ 125℃ ...
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... V goes below the stop voltage of 7.7V. CC Figure 17. Startup Block 2. Soft-Start: The FSGM300N has an internal soft-start circuit that increases PWM comparator inverting input voltage, together with the SenseFET current, slowly after it starts. The typical soft-start time is 15ms. The pulse ...
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... SenseFET during the minimum turn-on time. Even though the FSGM300N has overload protection not enough to protect the FSGM300N in that abnormal case; since severe current stress is imposed on the SenseFET until OLP is triggered. The FSGM300N internal AOCP circuit is shown in Figure 21. When ...
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... Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 5. Soft Burst-Mode Operation: To minimize power dissipation in standby mode, the FSGM300N enters burst-mode operation. As the load decreases, the feedback voltage decreases. As shown in Figure 23, the device automatically enters burst mode when the ...
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... The SMD-type capacitor (C106) must be placed as close as possible to the V abrupt pulsating noises and to improve ESD and surge immunity. Capacitance between 100nF and 220nF is recommended. 1. Schematic © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Input Voltage Rated Output 5.0V(2A 265V AC 14.0V(1.2A) Figure 25 ...
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... Insulation: Polyester Tape t=0.025mm, 2 Layers 4. Electrical Characteristics Inductance Leakage 5. Core & Bobbin Core: EER3016 (Ae=109.7mm Bobbin: EER3016 © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Figure 26. Schematic of Transformer Wire Turns Winding Method 0.25φ×1 21 Solenoid Winding 0.4φ×2 (TIW) ...
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... KA431LZ IC301 FOD817B Diode D101 1N4007 D102 UF4007 ZD101 1N4750 D201 MBRF10H100 D202 MBRF1060 BD101 2KBP06 © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Note Part # Capacitor C101 220nF/275V C102 150nF/275V DSC C103 100 C104 3.3nF/630V 1W C105 22nF/100V 1/2W C106 ...
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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/. © 2009 Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 Figure 27. 8 Lead Dual Inline Package (DIP) 15 www.fairchildsemi.com ...
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... Fairchild Semiconductor Corporation FSGM300N • Rev. 1.0.2 16 www.fairchildsemi.com ...