TNY286KG Power Integrations, TNY286KG Datasheet
TNY286KG
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TNY286KG Summary of contents
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TNY284-290 TinySwitch-4 Family ™ Energy-Efficient, Off-Line Switcher With Line Compensated Overload Power Product Highlights Lowest System Cost with Enhanced Flexibility 725 V rated MOSFET • Increases BV de-rating margin • Line compensated overload power – no additional components • Dramatically ...
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TNY284-290 BYPASS/ MULTI-FUNCTION (BP/M) LINE UNDER-VOLTAGE 115 μA 25 μA 6.4 V ENABLE 1 OSCILLATOR ENABLE/ 1.0 V UNDER- VOLTAGE (EN/UV) Figure 3. Functional Block Diagram. Pin Functional Description DRAIN (D) Pin: This pin is the ...
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Zener connected from the BYPASS/MULTI-FUNCTIONAL pin to a bias winding supply. ENABLE/UNDERVOLTAGE (EN/UV) Pin: This pin has dual functions: enable input and line undervoltage sense. During normal operation, switching of the power ...
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TNY284-290 external resistor. This facilitates powering of TinySwitch-4 externally through a bias winding to decrease the no-load consumption to well below 50 mW. BYPASS/MULTI-FUNCTION Pin Undervoltage The BYPASS/MULTI-FUNCTION pin undervoltage circuitry disables the power MOSFET when the BYPASS/MULTI- FUNCTION pin ...
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Enable Function TinySwitch-4 senses the ENABLE/UNDERVOLTAGE pin to determine whether or not to proceed with the next switching cycle. The sequence of cycles is used to determine the current limit. Once a cycle is started, it always completes the cycle ...
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TNY284-290 a Zener diode across the DC output voltage to be regulated. When the output voltage exceeds the target regulation voltage level (optocoupler LED voltage drop plus Zener voltage), the optocoupler LED will start to conduct, pulling the ENABLE/ UNDERVOLTAGE ...
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Because of its small size, the time to charge this capacitor is kept to an absolute minimum, typically 0.6 ms. The time to charge will vary in proportion to the BYPASS/MULTI- FUNCTION pin capacitor value when selecting different ...
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TNY284-290 BR1 2KBP10M 1000 µF 450 V R12 2 MΩ RT1 6 Ω C1 100 nF F1 275 VAC 295 VAC standby application input stage will be ...
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R4 feeds current into the BYPASS/MULTI-FUNCTIONAL pin, inhibiting the internal high-voltage current source that normally maintains the BYPASS/MULTI-FUNCTIONAL pin capacitor voltage (C7) during the internal MOSFET off-time. This reduces the no-load consumption of this design from 140 ...
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TNY284-290 capacitor to be effective as a high frequency filter, the capacitor should be located as close as possible to the SOURCE and BYPASS/MULTI-FUNCTIONAL pins of the device. Peak Output Power Table 230 VAC ± 15% Product ...
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High-Voltage Input Filter Capacitor - TOP VIEW 0.1 µF high frequency noise bypass capacitor (the high frequency 0.1 µF capacitor eliminates need for Figure 17. Recommended ...
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TNY284-290 Quick Design Checklist As with any power supply design, all TinySwitch-4 designs should be verified on the bench to make sure that component specifications are not exceeded under worst case conditions. The following minimum set of tests is strongly ...
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Absolute Maximum Ratings (1,4) DRAIN Voltage ................................................... -0 725 V DRAIN Peak Current: TNY284 ......................... 400 (750) mA TNY285 ....................... 560 (1050) mA TNY286 ....................... 720 (1350) mA TNY287 ....................... 880 (1650) mA TNY288 ..................... 1040 (1950) mA ...
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TNY284-290 Parameter Symbol Control Functions (cont.) I CH1 BP/M Pin Charge Current I CH2 BP/M Pin Voltage V BP/M BP/M Pin V Voltage Hysteresis BP/MH BP/M Pin V Shunt Voltage SHUNT EN/UV Pin Line Under- I voltage Threshold LUV EN/UV ...
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Parameter Symbol Circuit Protection (cont.) Reduced Current Limit (BP/M Capacitor = I LIMITred 1 μF) See Note D Increased Current Limit (BP/M Capacitor = I LIMITinc 10 μF) See Note D www.powerint.com Conditions SOURCE = -40 ...
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TNY284-290 Parameter Symbol Circuit Protection (cont.) Power Coefficient Initial Current Limit I INIT Leading Edge t Blanking Time LEB Current Limit t Delay ILD Thermal Shutdown T Temperature SD Thermal Shutdown T Hysteresis SDH BP/M Pin Shutdown ...
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Parameter Symbol Output (cont.) ON-State R Resistance DS(ON) I DSS1 OFF-State Drain Leakage Current I DSS2 Breakdown BV Voltage DSS DRAIN Supply Voltage Auto-Restart t ON-Time OSC Auto-Restart DC Duty Cycle AR www.powerint.com Conditions SOURCE = 0 ...
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TNY284-290 NOTES accurate estimate of device controller current consumption at no-load, since operating frequency is so low under these S1 conditions. Total device consumption at no-load is the sum Since the output MOSFET ...
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BP/M EN/UV S NOTE: This test circuit is not applicable for current limit or output characteristic measurements. Figure 18. General Test Circuit. Figure 19. Duty Cycle Measurement. Typical Performance Characteristics 1.10 1.05 1.00 0.95 0.90 0.85 ...
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TNY284-290 Typical Performance Characteristics (cont.) 1.1 1.0 0.9 -50 - Junction Temperature (°C) Figure 23. Breakdown vs. Temperature. 1.4 1.2 1.0 0.8 Normalized di/ TNY284 50 mA/μs 0.6 TNY285 55 mA/μs Note: For the TNY286 ...
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Typical Performance Characteristics (cont.) www.powerint.com 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 - Junction Temperature (°C) Figure 29. Undervoltage Threshold vs. Temperarture. TNY284-290 100 125 21 Rev. A 09/12 ...
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TNY284-290 ⊕ .004 (.10) -E- .240 (6.10) .260 (6.60) Pin 1 .367 (9.32) -D- .387 (9.83) .125 (3.18) .145 (3.68) -T- SEATING PLANE .100 (2.54) BSC .048 (1.22) .053 (1.35) .014 (.36) ⊕ .010 ...
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B 4 4.90 (0.193) BSC A 8 3.90 (0.154) BSC 2 0.10 (0.004 Pin 1 ID 1.27 (0.050) BSC 1.35 (0.053) 1.25 - 1.65 1.75 (0.069) (0.049 - 0.065) 0.10 (0.004) 0.25 (0.010) Reference Solder Pad ...
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TNY284-290 0.004 [0.10 0.400 [10.16] Pin #1 I.D. (Laser Marked) 0.059 [1.50] 0.460 [11.68 0.008 [0.20] C 2X, 5/6 Lead Tips 0.023 [0.58] 11× 0.018 [0.46] 0.010 (0.25 ...
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Part Ordering Information TNY 288 www.powerint.com • TinySwitch Product Family • Series Number • Package Identifier P Plastic DIP-8C D SO-8C K eSOP-12B • Lead Finish G RoHS compliant and Halogen Free • Tape & Reel ...
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... The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.powerint.com. Power Integrations grants its customers a license under certain patent rights as set forth at http://www ...