TNY268PN Power Integrations, TNY268PN Datasheet
TNY268PN
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TNY268PN Summary of contents
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TNY263-268 ® TinySwitch-II Family Enhanced, Energy Effi cient, Low Power Off-line Switcher Product Highlights TinySwitch-II Features Reduce System Cost Fully integrated auto-restart for short circuit and open loop fault • protection – saves external component costs Built-in circuitry practically eliminates ...
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TNY263-268 BYPASS (BP) LINE UNDER-VOLTAGE 240 6.3 V ENABLE 1 OSCILLATOR ENABLE/ 1.0 V UNDER- VOLTAGE (EN/UV) Figure 2. Functional Block Diagram. Pin Functional Description DRAIN (D) Pin: Power MOSFET drain connection. Provides ...
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TinySwitch-II Functional Description TinySwitch-II combines a high voltage power MOSFET switch with a power supply controller in one device. Unlike conventional PWM (pulse width modulator) controllers, TinySwitch-II uses a simple ON/OFF control to regulate the output voltage. The TinySwitch-II controller ...
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TNY263-268 that cycle. The current limit state machine reduces the current limit threshold by discrete amounts under medium and light loads. The leading edge blanking circuit inhibits the current limit comparator for a short time (t ) after the power ...
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At high loads, when the EN/UV pin is high (less than 240 μA out of the pin), a switching cycle with the full current limit occurs. At lighter loads, when EN/UV is high, a switching cycle ...
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TNY263-268 V EN CLOCK D MAX I DRAIN V DRAIN Figure 9. TinySwitch-II Operation at Very Light Load. two main benefi ts. First, for a nominal application, this eliminates the cost of a bias winding and associated components. Secondly, for ...
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D1 1N4005 D2 1N4005 C1 3.3 μF 85-265 400 V VAC RF1 8.2 Ω Fusible R1 1.2 kΩ 1N4005 1N4005 L1 2.2 mH Figure 14. 2.5 W Constant Voltage, Constant Current Battery Charger with Universal Input (85-265 VAC). ...
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TNY263-268 A simple constant current circuit is implemented using the V of transistor Q1 to sense the voltage across the current sense resistor R4. When the drop across R4 exceeds the V transistor Q1, it turns on and takes over ...
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PERFORMANCE SUMMARY Continuous Output Power: 10.24 W ≥ 75% Efficiency: 140 - 375 VDC Input C1 0.01 μ TinySwitch-II U1 TNY266P +12 VDC μ Figure 15 ...
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TNY263-268 Key Application Considerations TinySwitch-II vs. TinySwitch Table 2 compares the features and performance differences between the TNY254 device of the TinySwitch-II family with the TinySwitch-II family of devices. Many of the new features eliminate the need for or reduce ...
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... In addition, the common/ return output connection should be taken directly from the secondary winding pin and not from the Y-capacitor connection point. PC Board Cleaning Power Integrations does not recommend the use of “no clean” fl ux. For the most up-to-date information visit the PI website at: www.powerint.com. 11 ...
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TNY263-268 Input Filter Capacitor + HV – TOP VIEW C BP Figure 17. Recommended Circuit Board Layout for TinySwitch-II with Undervoltage Lock Out Resistor. 12 Rev. H 02/09 Safety Spacing Y1- Capacitor PRI ...
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Absolute Maximum Ratings (1,4) DRAIN Voltage .................................. ................ -0 700 V DRAIN Peak Current: TNY263......................................400 mA TNY264.....................................400 mA .................................... TNY265......................................440 mA TNY266.....................................560 mA .................................... TNY267.....................................720 mA TNY268.....................................880 mA EN/UV Voltage ....................................................... -0 EN/UV Current ...
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TNY263-268 Parameter Symbol Control Functions (cont.) BYPASS Pin V Voltage BP BYPASS Pin V Voltage Hysteresis BPH EN/UV Pin Line Under- I Voltage Threshold LUV Circuit Protection Current Limit I LIMIT Initial Current Limit I INIT Leading Edge t Blanking ...
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Parameter Symbol Output (cont.) ON-State R Resistance DS(ON) OFF-State Drain I Leakage Current DSS Breakdown BV Voltage DSS Rise Time t R Fall Time t F Drain Supply Voltage Output EN/UV Delay t EN/UV Output Disable t Setup Time DST ...
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TNY263-268 D EN/ NOTE: This test circuit is not applicable for current limit or output characteristic measurements. Figure 18. TinySwitch-II General Test Circuit. Figure 19. TinySwitch-II Duty Cycle Measurement. 16 Rev. H 02/09 470 Ω ...
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Typical Performance Characteristics 1.1 1.0 0.9 -50 - 100 125 150 Junction Temperature (°C) Figure 22. Breakdown vs. Temperature. 1.2 1 TNY263/268 0.8 TNY264-266 TNY267 0.6 0.4 0 Temperature ( C) Figure ...
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TNY263-268 Typical Performance Characteristics (cont.) 1000 100 Scaling Factors: TNY263 TNY264 TNY265 TNY266 10 TNY267 TNY268 1 0 100 200 300 Drain Voltage (V) Figure 28. C vs. Drain Voltage. OSS 18 Rev. H 02/ 1.0 20 ...
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D S .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 .014 (.36) ⊕ .010 (.25) M .022 (.56) www.powerint.com ...
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TNY263-268 ⊕ .004 (.10) -E- .240 (6.10) .260 (6.60) Pin 1 .100 (2.54) (BSC) .367 (9.32) -D- .387 (9.83) .125 (3.18) .145 (3.68) .032 (.81) .048 (1.22) .037 (.94) .053 (1.35) Part Ordering Information TNY 264 G N ...
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Revision Notes A – B Corrected fi rst page spacing and sentence in description describing innovative design. Corrected Frequency Jitter in Figure 4 and Frequency Jitter in Parameter Table. Added last sentence to Over Temperature Protection section. Clarifi ed detecting ...
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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 ...