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TOP250 Folha de dados(PDF) 1 Page - Power Integrations, Inc. |
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TOP250 Folha de dados(HTML) 1 Page - Power Integrations, Inc. |
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1 / 54 page  Figure 1. Typical Flyback Application. Product Highlights Lower System Cost, High Design Flexibility • Extended power range for higher power applications • No heat sink required up to 34 W using P/G packages • Features eliminate or reduce cost of external components • Fully integrated soft-start for minimum stress/overshoot • Externally programmable accurate current limit • Wider duty cycle for more power, smaller input capacitor • Separate line sense and current limit pins on Y/R/F packages • Line undervoltage (UV) detection: no turn off glitches • Line overvoltage (OV) shutdown extends line surge limit • Line feed-forward with maximum duty cycle (DC MAX) reduction rejects line ripple and limits DC MAX at high line • Frequency jittering reduces EMI and EMI filtering costs • Regulates to zero load without dummy loading • 132 kHz frequency reduces transformer/power supply size • Half frequency option in Y/R/F packages for video applications • Hysteretic thermal shutdown for automatic fault recovery • Large thermal hysteresis prevents PC board overheating EcoSmart™– Energy Efficient • Extremely low consumption in remote off mode (80 mW at 110 VAC, 160 mW at 230 VAC) • Frequency lowered with load for high standby efficiency • Allows shutdown/wake-up via LAN/input port Description TOPSwitch™-GX uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost and improve design flexibility, performance and energy efficiency. Depending on package type, either 1 or 3 additional pins over the TOPSwitch standard DRAIN, SOURCE and CONTROL terminals allow the following functions: line sensing (OV/UV, line feed-forward/DC MAX reduction), accurate externally set current limit, remote ON/OFF, synchronization to an external lower frequency, and frequency selection (132 kHz/ 66 kHz). All package types provide the following transparent features: Soft-start, 132 kHz switching frequency (automatically reduced at light load), frequency jittering for lower EMI, wider DC MAX, hysteretic thermal shutdown, and larger creepage packages. In addition, all critical parameters (i.e. current limit, frequency, PWM gain) have tighter tempera- ture and absolute tolerances to simplify design and optimize system cost. PI-2632-060200 AC IN DC OUT D S C TOPSwitch-GX CONTROL L F X + OUTPUT POWER TABLE PRODUCT3 230 VAC ±15%4 85-265 VAC Adapter1 Open Frame2 Adapter1 Open Frame2 TOP242 P or G TOP242 R TOP242 Y or F 9 W 15 W 10 W 15 W 22 W 22 W 6.5 W 11 W 7 W 10 W 14 W 14 W TOP243 P or G TOP243 R TOP243 Y or F 13 W 29 W 20 W 25 W 45 W 45 W 9 W 17 W 15 W 15 W 23 W 30 W TOP244 P or G TOP244 R TOP244 Y or F 16 W 34 W 30 W 28 W 50 W 65 W 11 W 20 W 20 W 20 W 28 W 45 W TOP245 P or G TOP245 R TOP245 Y or F 19 W 37 W 40 W 30 W 57 W 85 W 13 W 23 W 26 W 22 W 33 W 60 W TOP246 P or G TOP246 R TOP246 Y or F 21 W 40 W 60 W 34 W 64 W 125 W 15 W 26 W 40 W 26 W 38 W 90 W TOP247 R TOP247 Y or F 42 W 85 W 70 W 165 W 28 W 55 W 43 W 125 W TOP248 R TOP248 Y or F 43 W 105 W 75 W 205 W 30 W 70 W 48 W 155 W TOP249 R TOP249 Y or F 44 W 120 W 79 W 250 W 31 W 80 W 53 W 180 W TOP250 R TOP250 Y or F 45 W 135 W 82 W 290 W 32 W 90 W 55 W 210 W Table 1. Notes: 1. Typical continuous power in a non-ventilated enclosed adapter measured at 50 °C ambient. 2. Maximum practical continuous power in an open frame design at 50 °C ambient. See Key Applications for detailed conditions. 3. For lead-free package options, see Part Ordering Information. 4. 230 VAC or 100/115 VAC with doubler. TOP242-250 TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-Line Switcher www.power.com October 2020 This product is not recommended for new designs. |
Nº de peça semelhante - TOP250 |
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Descrição semelhante - TOP250 |
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