DAK-16A Power Integrations, DAK-16A Datasheet
DAK-16A
Specifications of DAK-16A
Related parts for DAK-16A
DAK-16A Summary of contents
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LNK520 LinkSwitch Energy Efficient CV/CC Switcher for Very Low Cost Adapters and Chargers Product Highlights Cost Effective Linear/RCC Replacement • Lowest cost and component count, constant voltage (CV) or constant voltage/constant current (CV/CC) solutions • Optimized for bias ...
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LNK520 CONTROL SHUNT REGULATOR/ ERROR AMPLIFIER - 5 OSCILLATOR D MAX CLOCK SAW I DCS R E Figure 2. Block Diagram. Pin Functional Description DRAIN (D) Pin: Power MOSFET drain connection. Provides ...
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LinkSwitch Functional Description The duty cycle, current limit and operating frequency relationships with CONTROL pin current are shown in Figure 4. Figure 5 shows a typical power supply schematic outline which is used below to describe the LinkSwitch operation. Power ...
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LNK520 85-265 VAC Figure 6. Power Supply Schematic Outline with Optocoupler Feedback, Providing Tight CV Regulation. The characteristics described above provide an approximate CV/CC power supply output without the need for secondary side voltage or current feedback. The output voltage ...
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Output Voltage Voltage feedback threshold Load variation during battery charging Figure 7. Influence of the Optocoupler on the Power Supply Output Characteristic. Output Voltage Voltage feedback threshold Load variation during battery charging Figure 8. Output Characteristic with Optocoupler Regulation (Reduced ...
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LNK520 LinkSwitch (a) Figure 9. High-side Configuration Using LNK520: (a) Schematic Outline; (b) Typical Output Characteristic Envelope. To achieve this goal, the minimum voltage feedback threshold should be set This will ensure that the ...
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D1 D2 0.15 A 1N4005 1N4005 RF1 8.2 Ω 265 VAC 4.7 µF 400 1N4005 1N4005 Figure 10. 2.75 W Constant Voltage/Constant Current (CV/CC) Charger Using LinkSwitch ...
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LNK520 The output during CV operation is equal to the primary-side bias voltage multiplied by the turns ratio. The bias voltage, in turn, is the sum of the CONTROL pin voltage (approximately 5.7 V), the voltage across the bias feedback ...
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Core gaps should be uniform. Uneven core gapping, especially with small gap sizes, may cause variation in the primary inductance with flux density (partial saturation) and make the constant current region non-linear. To verify uniform gapping recommended that ...
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... The LNK520 can, however, be used in the high-side configuration in certain applications. Refer to Figure 9 and supporting description. Table 2 summarizes the considerations for selecting which device to use. Design Tools Up to date information on design tools can be found at the Power Integrations Web site: www.powerint.com. does not exceed ensure the P ...
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Y1- Capacitor Transformer Output Capacitor Figure 12. Recommended Circuit Board Layout for LinkSwitch using LNK520. LinkSwitch Out + LNK520 Input Filter Capacitor + HV DC Input - PI-3732-103003 11 E 2/05 ...
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LNK520 Family • Lowest cost CV/CC implementation • Source is connected to the switching node – simple circuit configuration & low component count • Fast switching speeds minimize losses for best efficiency • Source PCB copper heatsink connected to switching ...
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DRAIN Voltage .................................. ................ -0 700 V DRAIN Peak Current......................................400 mA CONTROL Voltage ................................................ -0 CONTROL Current (not to exceed 9 V)............100 mA Storage Temperature .......................................... -65 °C to 150 °C ..................... -40 °C ...
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LNK520 Parameter Symbol SHUTDOWN/AUTO-RESTART CONTROL Pin I Charging Current C(CH) I Control/Supply/ CD1 Discharge Current I CD2 Auto-Restart V Threshold Voltage C(AR) Auto-Restart V Hysteresis Voltage C(AR)hyst Auto-Restart Duty DC Cycle (AR) Auto-Restart f Frequency (AR) CIRCUIT PROTECTION Self-Protection I ...
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Parameter Symbol OUTPUT ON-State R Resistance DS(ON) OFF-State Drain I Leakage Current DSS Breakdown Voltage BV DSS DRAIN Supply Voltage NOTES: A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with increasing temperature, ...
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LNK520 Figure 14. LinkSwitch General Test Circuit. VOLTAGE Figure 15. Duty Cycle Measurement. Typical Performance Characteristics 5. 1.6 1.2 0.8 0 DRAIN Voltage (V) Figure 16. I ...
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Typical Performance Characteristics (cont 1.9 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 CONTROL Pin Current (mA) Figure 18. Duty Cycle vs. CONTROL Pin Current. 1.200 1.000 0.800 0.600 0.400 ...
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LNK520 Typical Performance Characteristics (cont.) 1.2 1 0.8 0.6 0.4 0 Temperature (°C) Figure 24. PWM Gain vs. Temperature. PART ORDERING INFORMATION LNK 520 2/05 300 250 200 150 100 ...
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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 .048 (1.22) .053 (1.35) .014 (.36) ⊕ .010 (.25) ...
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... For the latest updates, visit our website: www.powerint.com Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein. POWER INTEGRATIONS MAKES NO WARRANTY HEREIN AND SPECIFICALLY DISCLAIMS ALL WARRANTIES INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS ...