FSD176MRT Fairchild Semiconductor, FSD176MRT Datasheet
FSD176MRT
Related parts for FSD176MRT
FSD176MRT Summary of contents
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... Maximum practical continuous power in an open-frame design at 50C ambient temperature. © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Description The FSD176MRT is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components. The PWM ...
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... I I DELAY N. <t (1.0μs) ON OSP LPF V OSP OVP 24.5V © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 V STR Drain GND Figure 1. Typical Application Circuit V STR 6 Soft Burst Random OSC Soft Start S PWM LEB(300ns) S TSD V good ...
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... Startup. This pin is connected directly, or through a resistor, to the high-voltage DC link. At startup, the internal high-voltage current source supplies internal bias and charges the 6 V STR external capacitor connected to the V source (I © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Figure 3. Pin Configuration (Top View) Description pin. Once disabled. CH ...
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... Junction-to-Case Thermal Impedance JC Notes: 10. Free standing without heat sink under natural convection condition, per JEDEC 51-2 and 1-10. 11. Infinite cooling condition per Mil Std. 883C method 1012.1. © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Parameter T =25C C (6) T =100C ...
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... LEB V Over-Voltage Protection OVP t Threshold Time OSP Output-Short V Threshold V (12) OSP Protection t V OSP_FB TSD Thermal Shutdown Temperature T HYS © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Conditions 250 650V =10V (12 25V ...
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... STR Notes: 12. Although these parameters are guaranteed, they are not 100% tested in production. 13. Average value. 14. t includes gate turn-on time. LEB Comparison of FSGM0765R and FSD176MRT Function Random Frequency Fluctuation Operating Current © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 (Continued) Conditions ...
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... Temperature [ °C] Figure 7. Startup Charging Current (I 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 ‐40'C ‐20'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C Temperature [ °C] Figure 9. Feedback Source Current (I © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 =25°C. A 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C 0'C ) vs. T Figure 6. Operating Switching Current ( 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C 0 ...
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... Figure 11. UVLO Threshold Voltage (V 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C Temperature [ °C] Figure 13. Shutdown Feedback Voltage (V 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C 0'C 25'C 50'C 75'C 90'C 110'C 120'C 125'C Temperature [ °C] Figure 15. Switching Frequency (f © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 =25°C. A 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C ) vs. T Figure 12. UVLO Threshold Voltage (V START A 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 ‐40'C ‐20'C 0'C ) vs. T Figure 14 ...
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... V Vcc illustrated in Figure 17. When V FSD176MRT begins switching and the internal high- voltage current source is disabled. The FSD176MRT continues normal switching operation and the power is supplied from the auxiliary transformer winding unless V goes below the stop voltage of 7 ...
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... SenseFET during the minimum turn-on time. Overload protection is not enough to protect the FSD176MRT in that abnormal case; since severe current stress is imposed on the SenseFET until OLP is triggered. The FSD176MRT internal AOCP circuit is shown in Figure 21 ...
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... Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 5. Soft Burst-Mode Operation: To minimize power dissipation in Standby Mode, the FSD176MRT enters Burst-Mode operation. As the load decreases, the feedback voltage decreases. The device automatically enters Burst Mode when the feedback voltage drops ...
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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. © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Input Voltage Rated Output 5.0V (3A 265V AC 14 ...
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... Insulation: Polyester Tape t = 0.025mm, 2 Layers N /2(TOP) 2 → Insulation: Polyester Tape t = 0.025mm, 2 Layers Table 2. Electrical Characteristics Inductance Leakage © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0 Figure 26. Transformer Specification Wire Turns Winding Method 0.4φ×1 18 Solenoid Winding 0.4φ×3 (TIW) 3 Solenoid Winding 0.20φ ...
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... IC SMPS FSD176MRT IC201 KA431LZ IC301 FOD817B Diode D101 1N4007 D102 UF4004 ZD101 1N4750 D201 MBR20150CT D202 FYPF2006DN BD101 G3SBA60 © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 Note Part # C101 C102 DSC C103 C104 1W C105 1W C106 1/4W, 1% C107 1/4W, 1% C201 1/4W, 1% C202 1/4W, 1% C203 1/4W, 1% C204 ...
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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/. © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 B 5.18 4.98 Ø 3.28 3 ...
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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/. © 2011 Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 B Ø 3.28 5.18 3.08 4 ...
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... Fairchild Semiconductor Corporation FSD176MRT • Rev. 1.0.0 17 www.fairchildsemi.com ...