FSDM311L Fairchild Semiconductor, FSDM311L Datasheet
FSDM311L
Specifications of FSDM311L
FSDM311L_NL
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FSDM311L Summary of contents
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... AN-4137, AN-4141, AN-4147 (Flyback) AN-4134 (Forward) AN-4138 (Charger) Ordering Information Product Number Package FSDM311 FSDM311L FPS™ trademark of Fairchild Semiconductor Corporation. © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Description The FSDM311, consisting of integrated Pulse-Width Modulator designed for high-performance, off-line Switch Mode Power components ...
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... Typical Application & Output Power Table Figure 1 Typical Flyback Application Internal Block Diagram © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Product FSDM311 FSDM311L Notes: 1. Maximum practical continuous power in open-frame design with sufficient drain pattern as a heat sink, at 50°C ambient. 2. ...
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... Vfb Vstr 6,7,8 Drain © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Figure 3 Pin Configuration (Top View) Pin Function Description Ground. SenseFET source terminal on primary side and internal control ground. Positive supply voltage input. Although connected to an auxiliary transformer winding, current is supplied from pin 5 (Vstr) via an internal switch during start-up (see Internal Block Diagram section) ...
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... Free standing with no heat sink, without copper clad. (Measurement Condition – Just before junction temperature T enters into OTP Measured on the DRAIN pin close to plastic interface. All items are tested with the standards JESD 51-2 and 51-10 (DIP). © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Parameter (3) (4) Parameter (5) ...
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... Pulse test: Pulse width ≤ 300μs, duty ≤ 2%. 8. These parameters, although guaranteed, are tested in EDS (wafer test) process. 9. These parameters, although guaranteed, are not 100% tested in production. © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Conditions V =650V, V ...
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... Temperature [°C] Figure 6. Start Threshold Voltage (V 1.15 1.10 1.05 1.00 0.95 0.90 0.85 - Temperature [°C] Figure 8. Operating Frequency (f © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 = 25°C. A 1.15 1.10 1.05 1.00 0.95 0.90 0.85 100 150 -50 ) vs. T Figure 5. Operating Supply Current (I ...
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... Temperature [°C] Figure 12. Shutdown Delay Current (I 1.15 1.10 1.05 1.00 0.95 0.90 0.85 - Temperature [°C] Figure 14. Over-Voltage Protection (V © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 (continued) 1.15 1.10 1.05 1.00 0.95 0.90 0.85 -50 100 150 ) vs. T Figure 11. Feedback Source Current (I ...
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... Vcc capacitor. To prevent this Vcc fluctuation (charging/discharging), a Vcc with a value between 10uF and 47μF should be chosen. © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Figure 16. Charging Vcc Capacitor Through Vstr 2. Feedback Control: The FSDM311 is a voltage-mode of the Vcc controlled device, as shown in Figure 17 ...
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... C slowly up to Vcc. In this condition © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 increases until it reaches 4.5V, when the switching operation is terminated, as shown in Figure 19. The shutdown delay time is the time required to charge C from 3V to 4.5V with a 5μ ...
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... Burst- mode operation alternately enables and disables switching of the power MOSFET to reduce the switching loss in the standby mode. Figure 21. Burst Operation Block Figure 22. Burst Operation Function © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 (0.55V). At BURL 10 www.fairchildsemi.com ...
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... To reduce the burst operation frequency, increase a feedback gain capacitor (C ), opto-coupler supply resistor (R F capacitor (C ); and decrease a feedback gain resistor shown in Figure 24. F © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 the chattering or in the ambient a piezoelectric effect, Figure24 ...
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... Input, 10W Output Schematic The selection of aux-winding diode D2 affects Aux-Output (Vcc) regulation. If another component should be used, its Note: validity must be verified experimentally. Figure 25. Schematic of FSDM311 PC Standby Power © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Input Voltage 12.5W DC 275~375V 10W ...
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... Transformer Construction Figure 27. Winding Direction for Each Winding (Left) and Cross-Sectional View for W5v / Wcc Insulation Taping (Right) © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Figure 26. Transformer Construction Diagram Insulation Tape Figure 28. Details on W5v / Wcc Insulation Taping 13 3~4mm ...
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... First Resonant Frequency Core & Bobbin Core: EE1927S (SAMWHA Electronics, PL7 / Ae = 23.4mm Bobbin: Vertical, 12 pins, 6 pins at each side, 20mm width (bobbin wall to wall) © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 Pin(S → F) Wire (φ:mm) Insulation: Polyester Tape t = 0.025mm, 2 Layers f → ...
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... Ceramic X7R, ±5% Tolerance Electrolytic 47μF 25V 1N4007 1A, 1000V Diode (Fairchild Semiconductor) SB540 5A, 40V Schottky Diode 1N4148 200mA, 100V Fast Switching Diode (Fairchild Semiconductor) (Wire) Jumper (Test Point) 3.5A Inductor 1μH 10Ω Resistor 1/4W SMD 1206 10Ω Resistor 1/4W 1Ω ...
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... Layout Information Single layer, size 59 x 40mm Figure 30. PCB Layout – Top- Side Print (Top) and Bottom-Side Print (Bottom) © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 16 www.fairchildsemi.com ...
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... Physical Dimensions 8-DIP Dimensions are in millimeters (inches) unless otherwise noted. © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 17 www.fairchildsemi.com ...
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... Physical Dimensions (Continued) 8-LSOP Dimensions are in millimeters (inches) unless otherwise noted. © 2003 Fairchild Semiconductor Corporation FSDM311 Rev. 1.1.0 • 7/14/06 18 www.fairchildsemi.com ...
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... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ GlobalOptoisolator™ ActiveArray™ GTO™ Bottomless™ HiSeC™ 2 Build it Now™ I C™ CoolFET™ ...