FSFM300N Fairchild Semiconductor, FSFM300N Datasheet
FSFM300N
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FSFM300N Summary of contents
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... Flyback Converters AN-4148: Audible Noise Reduction Techniques for ! Fairchild Power Switch (FPS © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 Description The FSFM260/300 is an integrated Pulse Width Modulator (PWM) and SenseFET specifically designed for high-performance offline Switch Mode Power Supplies (SMPS) with minimal external components. ...
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... Typical continuous power in a non-ventilated enclosed adapter measured at 50°C ambient temperature. 4. Maximum practical continuous power in an open-frame design at 50°C ambient. 5. Eco status for both the FSFM2600N and FSFM300NS is RoHS. For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. Eco Status: RoHS. © ...
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... AC IN Internal Block Diagram V /V BURL BURH delay LIM OVP TSD © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 V STR Drain I LIM PWM GND Figure 1. Typical Flyback Application OSC PWM Normal S Burst LEB Soft Start 250ns S Q LPF good CC Figure 2 ...
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... V STR nal capacitor connected to the V disabled not recommended to connect V 6,7,8 Drain SenseFET Drain. High-voltage power SenseFET drain connection. © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 GND Drain V Drain CC 8-DIP FB Drain I ...
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... JC Ψ Junction-to-Top Thermal Resistance JT Notes: 9. Free standing with no heat-sink under natural convection. 10. Infinite cooling condition - refer to the SEMI G30-88. 11. Measured on the package top surface. © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 = 25°C, unless otherwise specified. A Parameter ( 25° 100°C ...
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... Maximum Duty Cycle MAX D Minimum Duty Cycle MIN V START UVLO Threshold Voltage V STOP t Internal Soft-Start Time S/S Burst Mode Section V BURH Burst Mode Voltages V BURL © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 Condition 250µ 650V 0V 25° 520V 0V 125° ...
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... I Startup Charging Current CH Minimum V Supply Voltage V STR STR Notes: 12. Pulse test: pulse width ≤ 300µs, duty ≤ 2%. 13. Guaranteed by design; not tested in production. © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 (Continued) Condition ≥ 5. (13) FSFM260 T = 25°C, di/dt = 200mA/µs ...
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... T STOP 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 8. Switching Frequency (f © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 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 ...
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... Temperature [°C] Figure 14. Burst-Mode LOW Threshold Voltage (V ) vs. T BURL © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 (Continued) 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 (I OVP A 1 ...
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... In this case, the cathode voltage of diode D2 and the peak drain current have maximum © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 values of 2.5V and 1.5A, respectively. The pulse-by- pulse current limit can be adjusted using a resistor to GND on the current limit pin (#4). The current limit level ...
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... Because these protection circuits are fully integrated into the IC without external components, © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 the reliability is improved without increasing cost. Once the fault condition occurs, switching is terminated and CC the SenseFET remains off ...
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... R AOCP protection Figure 21. Abnormal Over-Current Protection © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 4. Soft-Start: The FSFM260/300 has an internal soft- start circuit that increases PWM comparator inverting input voltage, together with the SenseFET current, slowly after it starts up. The typical soft-start time is 15ms ...
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... PCB pattern is recommended to decrease the package temperature. Drain pins are also high voltage switching pins; however, too wide PCB pattern may deteriorate EMI immunity. © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 controller and is better for smooth CC Mylar® registered trademark of DuPont Teijin Films. ...
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... C107 4 I 100 100nF 47 F LIM 0.5W 50V GND D102 1 UF 4004 ZD101 1N4745A Figure 24. Demonstation Circuit of FSFM300N 14 Output Voltage (Maximum Current) 5.0V (2.0A) 30W 14V (1.4A) pin to avoid malfunction by abrupt pul- CC L201 EER3016 10 1 C201 C202 1000 F 1000 F 25V 25V ...
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... Insulation: Polyester Tape t = 0.025mm, Three Layers N a Insulation: Polyester Tape t = 0.025mm, Three Layers Top Insulation: Polyester Tape t = 0.025mm, Two Layers 4. Electrical Characteristics Inductance Leakage 5. Core & Bobbin Core: EER3016 (Ae=109.7mm ! Bobbin: EER3016 ! © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 N 14V GND ...
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... C107 47µF/50V C201 1000µF/25V C202 1000µF/25V C203 2200µF/10V C204 1000µF/10V C205 47nF/50V C301 4.7nF/1kV © 2009 Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 Note Part 1W L201 1/2W L202 1W 1/4W D101 1/4W D102 1/4W ZD101 1/4W D201 ...
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... 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 FSFM260N / FSFM300N Rev. 1.0.0 9.83 9.00 6.67 6 ...
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... Fairchild Semiconductor Corporation FSFM260N / FSFM300N Rev. 1.0.0 18 www.fairchildsemi.com ...