FSQ0270RNA Fairchild Semiconductor, FSQ0270RNA Datasheet
FSQ0270RNA
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FSQ0270RNA Summary of contents
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... Compared to a discrete MOSFET and controller or RCC switching FSQ0270RNA, FSQ0370RNA reduces total component count, design size, and weight while increasing efficiency, productivity, and system reliability. These devices provide a basic platform that is well suited for the design of cost-effective flyback converters auxiliary power supplies ...
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... Internal Block Diagram V /V BURL BURH DELAY 2. ovp TSD © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0 Drain str I PK PWM V FB GND CC Figure 1. Typical Flyback Application (2) ±15% 230V AC (3) Adapter Open Frame 14W 20W 17W 24W 20W 27W ...
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... GND on this pin. This determines the peak current limit. If this pin is tied to V typical peak current limit is 0.8A (FSQ0170RNA), 0.9A (FSQ0270RNA), or 1.1A (FSQ0370RNA). Start-up. This pin connects to the rectified AC line voltage source. At start-up, ...
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... Free standing with no heatsink; without copper clad. (Measurement Condition - Just before junction temperature T 8. Measured on the DRAIN pin close to plastic interface. 9. Measured on the PKG top surface. © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 = 25°C, unless otherwise specified. A Characteristic FSQ0170RNA ...
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... OSC D Maximum Duty Cycle MAX D Minimum Duty Cycle MIN V START UVLO Threshold Voltage V STOP I Feedback Source Current FB t Internal Soft-Start Time S/S © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 Condition V = 700V 560V 125°C C FSQ0170RNA FSQ0270RNA V = 10V 0.5A GS ...
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... V Supply Voltage STR str Notes: 10. These parameters, although guaranteed, are not 100% tested in production. 11. Pulse test: Pulse width ≤ 300µs, duty ≤ 2%. © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 (Continued) Condition = 25° FSQ0170RNA di/dt = 170mA/µs FSQ0270RNA di/dt = 200mA/µ ...
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... Temperature [°C] Figure 6. Maximum Duty Cycle (D 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 8. Start Threshold Voltage (V © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 (Control Part) = 25°C. A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 150 ) vs. T Figure 5 ...
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... Temperature [°C] Figure 10. Feedback Source Current (I 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature [°C] Figure 12. Peak Current Limit (I © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 (Continued) = 25°C. A 1.2 1.0 0.8 0.6 0.4 0.2 0.0 75 100 125 150 ) vs. T Figure 11 ...
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... PWM comparator for a short time (t ) after the Sense FET is turned on. LEB © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 4. Protection Circuits: The FPS has several protective functions, such as Overload Protection (OLP), Over- Voltage (UVLO), and Thermal Shutdown (TSD). Because these ...
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... DRAIN Rx #1 Figure 18. Peak Current Limit Adjustment GND R For example, FSQ0270RNA has a typical SenseFET sense peak current limit (I 0.6A by inserting Rx between the I The value of the Rx can be estimated by the following equations: 0.9A: 0.6A = 2.8kΩ : XkΩ 2.8kΩ ...
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... D a feedback gain resistor ( shown in Figure 20. F © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 Figure 20. Typical Feedback Network of FPS Other Reference Materials AN-4134: Design Guidelines for Off-line Forward Converters Using Fairchild Power Switch (FPS™) AN-4137: Design Guidelines for Off-line Flyback Converters Using Fairchild Power Switch (FPS™ ...
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... CL9 ZD2 C8 RL7 3 open 10μF 47nF 40k 50V U1B QL2 KSP2222A FOD817A © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 Output power Input Voltage Universal input 15W (85-265 V and 230 V input input and 0.5W load ground. C1 RS1 2.2nF 9 ...
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... N 5V Insulation: Polyester Tape t = 0.025mm, 2 Layers 2 → Insulation: Polyester Tape t = 0.025mm, 2 Layers 4. Electrical Characteristics Inductance Leakage 5. Core & Bobbin Core: EE2229 (Material: PL- 35.7 mm Bobbin: BE2229 © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 EE2229 Np Np FSQ0x70RNA Rev. 1.00 Figure 22. Transformer Schematic Diagram Wire 0.3ϕ ...
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... RS1 ZR1 FSQ0270RNA QL1 QL2 D2, D3, D4, D5, D6, DS1 D1 ZD1 DL1 ZP1 ZDS1 © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 Value Quantity 47nF 2 Ceramic Capacitor 2.2nF (1KV Ceramic Capacitor(X1 & Y1) 1nF (200V) 1 Mylar Capacitor 1.5nF (50V) 1 Ceramic Capacitor 22µF (400V) ...
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... Layout © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 Figure 23. Top Image of PCB Figure 24. Bottom Image of PCB 15 www.fairchildsemi.com ...
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... Package Dimensions 8-DIP Dimensions are in millimeters unless otherwise noted. ±0.20 6.40 ±0.008 0.252 #1 #4 7.62 0.300 © 2006 Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0 5.08 MAX 0.200 ±0.20 3.40 ±0.008 0.134 Figure 25. 8-Lead Dual In-Line Package (DIP) 16 ±0.30 3.30 ± ...
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... Fairchild Semiconductor Corporation FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2 17 www.fairchildsemi.com ...