AC-to-DC Solutions
AC-DC converters are electrical circuits that transform alternating current (AC) input into direct current (DC) output. They are used in power electronic applications where the power input a 50 Hz or 60 Hz sine-wave AC voltage that requires power conversion for a DC output. AC to DC converters use rectifiers to turn AC input into DC output, regulators to adjust the voltage level, and capacitors to smooth the pulsating DC. AC-DC converters can have more than one output and may feature like overcurrent, overvoltage, or short circuit protection. Some switching converters feature active or passive power factor correction to counteract the distortion and raise the power factor.
However, many AC/DC converters use more sophisticated, multi-stage conversion topologies. Rectifiers are implemented using semiconductor devices that conditionally conduct current in one direction only, like diodes. More sophisticated semiconductor rectifiers include thyristors. Silicon controlled rectifiers (SCR) and triode for alternating current (TRIAC) are analogous to a relay in that a small amount of voltage can control the flow of a larger voltage and current.
AC-DC converters are used in computers, televisions, cell phone chargers, and other electronic consumer devices. They are also used in medical, military, and telecommunications equipment; kitchen appliances; industrial machinery; and commercial products that use DC motors.
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Resources
Applications Notes
- How to Choose Switching Controller for Design
- Implementing an LCD TV Power Supply with NCP1396A, NCP1605 & NCP1027
- Understanding the LLC Structure in Resonant Applications
- A 45 Watt Adapter Power Supply
- AC-DC Converter for Low Power Applications
- 500 W fully digital AC-DC power supply (D-SMPS) evaluation board
Videos
Why select Murata's convection cooled PQC250 AC-DC power supply?
Utilizing Wide Bandgap in Server and Industrial Power Applications
Putting the Traco Power TIB 120 industrial ac/dc supply through its paces
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| Manufacturer Part No | Order Code | Manufacturer / Description | Availability | Price For | Price (Incl GST) | Quantity | |
|---|---|---|---|---|---|---|---|
VIPER22ADIP-E
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1077240 |
AC/DC Off-Line Switcher IC, VIPerPlus Family, 195 VAC - 265 VAC, 60 kHz, 20 W, DIP-8 STMICROELECTRONICS IC, SMPS 20W SMART, SMD, DIP8; Input Voltage AC Min:195V; Input Voltage AC Max:265V; AC / DC Converter Case Style:DIP; No. of Pins:8Pins; Power Rating:20W; Topology:-; Operating Temperature Min:-40°C; Operating Temperature Max:150°C; Product Range:-; RoH
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More stock available week commencing 20/6/22 |
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10+ S$0.19 (S$0.20) 25+ S$0.181 (S$0.19) 100+ S$0.08 (S$0.09) 500+ S$0.063 (S$0.07) 1000+ S$0.044 (S$0.05) |
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ICE3B0365JFKLA1
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2432501 |
AC/DC Converter Controller IC, CoolSET-F3 Family, Flyback, 85 VAC - 265 VAC, 10 W, DIP-8 INFINEON SMPS CTRL, 67KHZ, 10W, DIP-8; Input Voltage AC Min:85V; Input Voltage AC Max:265V; AC / DC Converter Case Style:DIP; No. of Pins:8Pins; Power Rating:10W; Topology:Flyback; Operating Temperature Min:-40°C; Operating Temperature Max:150°C; Product Range:-;
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1+ S$8.23 (S$8.81) 25+ S$7.38 (S$7.90) 50+ S$6.86 (S$7.34) 100+ S$6.52 (S$6.98) 250+ S$6.11 (S$6.54) |
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LNK304PN
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2475336 |
AC-DC Off-Line Switcher IC, Integrated MOSFET, 85 VAC - 265 VAC in, 66 KHz, 120 mA output, DIP-7 POWER INTEGRATIONS AC/DC CONV, BUCK-BOOST/FLYBACK, DIP-7; Input Voltage AC Min:85V; Input Voltage AC Max:265V; AC / DC Converter Case Style:DIP; No. of Pins:7Pins; Power Rating:-; Topology:Buck, Buck-Boost, Flyback; Operating Temperature Min:-40°C; Operating Temperature Ma
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1+ S$5.10 (S$5.46) |
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|
FSCQ1565RTYDTU
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1241902 |
AC/DC Off-Line Switcher IC, Flyback, 85 VAC - 265 VAC, 20 kHz, 6.6 A output, 210 W, TO-220F-5 ONSEMI IC, POWER SWITCH, TO-220F-5, 1565; Input Voltage AC Min:85V; Input Voltage AC Max:265V; AC / DC Converter Case Style:TO-220F; No. of Pins:5Pins; Power Rating:210W; Topology:Flyback; Operating Temperature Min:-25°C; Operating Temperature Max:85°C; Product
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TEA1755T/1,518
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2759864 |
AC/DC Flyback Converter, Switched Mode Power Supply Controller, 70 Vac to 276 Vac, 250 W, SOIC-16 NXP AC/DC CONVERTER, FLYBACK, SOIC-16; Input Voltage AC Min:70V; Input Voltage AC Max:276V; AC / DC Converter Case Style:SOIC; No. of Pins:16Pins; Power Rating:250W; Topology:Flyback; Operating Temperature Min:-40°C; Operating Temperature Max:155°C; Product
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1+ S$10.14 (S$10.85) 10+ S$9.10 (S$9.74) 25+ S$8.60 (S$9.20) 100+ S$7.46 (S$7.98) 250+ S$7.07 (S$7.56) 400+ S$6.35 (S$6.79) 1200+ S$5.59 (S$5.98) More Pricing... |
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NCP1075STCT3G
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2382356 |
AC/DC Off-Line Switcher IC, Flyback, 85 VAC - 265 VAC, 130 kHz, 450 mA out, 10 W, SOT-223-4 ONSEMI AC-DC CONVERTER, 6.1V-8.6V, SOT-223-4; Input Voltage AC Min:85V; Input Voltage AC Max:265V; AC / DC Converter Case Style:SOT-223; No. of Pins:4Pins; Power Rating:10W; Topology:Flyback; Operating Temperature Min:-40°C; Operating Temperature Max:125°C; Pro
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15+ S$0.315 (S$0.34) 150+ S$0.255 (S$0.27) 500+ S$0.215 (S$0.23) 1000+ S$0.197 (S$0.21) 1500+ S$0.181 (S$0.19) 5000+ S$0.162 (S$0.17) More Pricing... |
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TNY278GN
|
1289535 |
AC/DC Off-Line Switcher IC, TinySwitch-III Family, 85 VAC - 265 VAC, 132 kHz, 28 W, SMD-8 POWER INTEGRATIONS IC, OFF LINE SWITCHER, SMD, 278; Input Voltage AC Min:85V; Input Voltage AC Max:265V; AC / DC Converter Case Style:SMD; No. of Pins:8Pins; Power Rating:28W; Topology:-; Operating Temperature Min:-40°C; Operating Temperature Max:150°C; Product Range:TinyS
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