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LNK3205P/G/D Scheda tecnica(PDF) 1 Page - Power Integrations, Inc. |
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LNK3205P/G/D Scheda tecnica(HTML) 1 Page - Power Integrations, Inc. |
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1 / 28 page  LinkSwitch-TN2 Family www.power.com June 2023 Highly Energy Efficient Off-line Switcher IC with Integrated System Level Protection for Low Component-Count Power Supplies This Product is Covered by Patents and/or Pending Patent Applications. Output Current Table1 725 V MOSFET Product4 230 VAC ±15% 85-265 VAC MDCM2 CCM3 MDCM2 CCM3 LNK3202P/G/D 63 mA 80 mA 63 mA 80 mA LNK3204P/G/D 120 mA 170 mA 120 mA 170 mA LNK3205P/G/D 175 mA 270 mA 175 mA 270 mA LNK3206P/G/D 225 mA 360 mA 225 mA 360 mA LNK3207P/G/D 360 mA 575 mA 360 mA 575 mA LNK3208P/G/D 485 mA 775 mA 485 mA 775 mA LNK3209P/G/D 600 mA 1000 mA 600 mA 1000 mA Product4 900 V MOSFET 230 VAC ±15% 85-265 VAC MDCM2 CCM3 MDCM2 CCM3 LNK3294P/G 120 mA 170 mA 120 mA 170 mA LNK3296P/G 225 mA 360 mA 225 mA 360 mA Table 1. Output Current Table. Notes: 1. Typical output current in a non-isolated buck converter with devices operating at default current limit and adequate heat sinking. Output power capability depends on respective output voltage and thermal requirements. See Key Applications Considerations Section for complete description of assumptions, including fully discontinuous conduction mode (DCM) operation. 2. Mostly discontinuous conduction mode. 3. Continuous conduction mode. 4. Packages: P: PDIP-8C, G: SMD-8C, D: SO-8C. Product Highlights Highest Performance and Design Flexibility • Supports buck, buck-boost and flyback topologies • Excellent load and line regulation • Selectable device current limit • 66 kHz operation with accurate current limit • Allows the use of low-cost off-the-shelf inductors • Reduces size and cost of magnetics and output capacitor • Frequency jittering reduces EMI filter complexity • Pin-out simplifies PCB heat sinking Enhanced Safety and Reliability Features • Auto-restart for short-circuit and open loop faults • Output overvoltage protection (OVP) • Line input overvoltage protection (OVL) • Hysteretic over-temperature protection (OTP) • Extended creepage between DRAIN pin and all other pins improves field reliability • 725 V MOSFET rating for excellent surge withstand • 900 V MOSFET rating series for industrial or extra safety margin EcoSmart™– Extremely Energy Efficient • Standby supply current <100 μA • On/Off control provides constant efficiency over a wide load range • Easily meets all global energy efficiency regulations • No-load consumption <30 mW with external bias Applications • Appliances • Metering • Smart LED drivers and industrial controls • IOT, home and building automation Description The LinkSwitch™-TN2 family of ICs for non-isolated off-line power supplies provides dramatically improved performance compared to traditional linear or cap-dropper solutions. Designs using the highly integrated LinkSwitch-TN2 ICs are more flexible and feature increased efficiency, comprehensive system level protection and higher reliability. The device family supports buck, buck-boost and flyback converter topologies. Each device incorporates a 725 V / 900 V power MOSFET, oscillator, On/Off control for highest efficiency at light load, a high- voltage switched current source for self-biasing, frequency jittering, fast (cycle-by-cycle) current limit, hysteretic thermal shutdown, and output and input overvoltage protection circuitry onto a monolithic IC. LinkSwitch-TN2 ICs consume very little current in standby resulting in power supply designs that meet all no-load and standby specifications worldwide. MOSFET current limit modes can be selected through the BYPASS pin capacitor value. The high current limit level provides maximum continuous output current while the low level permits using very low cost and small surface mount inductors. A full suite of protection features enables safe and reliable power supplies protecting the device and the system against input and output overvoltage faults, device over-temperature faults, lost regulation, and power supply output overload or short-circuit faults. Figure 1. Typical Buck Converter Application (See Application Examples Section for Other Circuit Configurations). The device family is available in three different packages: PDIP-8C, SO-8C, and SMD-8C (725 V PNs only). Figure 2. Package Options. P: PDIP-8C, G: SMD-8C, D: SO-8C. DC Output Wide Range High-Voltage DC Input PI-7841-041816 + + FB BP/M S D LinkSwitch-TN2 |
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