PDF AND8019 Data sheet ( Hoja de datos )

Número de pieza	AND8019
Descripción	Offline Converter Provides 5.0 Volt/ 1.0 Amp Output for Small Electronic Equipment
Fabricantes	ON Semiconductor
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No Preview Available ! AND8019/D Offline Converter Provides 5.0 Volt, 1.0 Amp Output for Small Electronic Equipment Prepared by: Alan Ball ON Semiconductor http://onsemi.com APPLICATION NOTE General Description ON Semiconductor’s NCP1000 series of offline converters offers a low cost, high efficiency power source for low power, electronic equipment. It serves the same function as small, line frequency transformers, but with the added benefits of line and load regulation, transient suppression, reduction in weight, and operation across the universal input voltage range. This kit provides a 5.0 volt, 1.0 amp output, which is derived from an input source of 85 to 265 VAC, and 50 Hz to 60 Hz. This range of input voltages will allow this circuit to function virtually anywhere in the world without modification. The output is regulated and current limited. Both common mode and differential mode EMI filtering are incorporated on the ac line. Features • Output Well Regulated Over Changes in Line and Load • Minimal Parts Count • Universal Input Voltage Range • 100 kHz Switching Frequency • Power Switch and Current Sense Built into Chip • No External Startup Circuit Required • Thermal Shutdown Circuitry Included • Board Designed for EMI and UL Approvals Parts List Description / Manufacturer Cap, x–series, .082 mF, 250 Vac Panasonic Cap, Alum elect, 10 mF, 450 V Panasonic Cap, ceramic, 2.2 pF, 1000 Vac Panasonic Cap, Alum elect, 3.3 mF, 25 V Panasonic Part Number ECQ–U2A823MV EEU–EB2W100 ECK–D3A222KBP ECE–A1EKK3R3 Reference C1 C2, C3 C4 C5 Cap, ceramic, 1.0 mF, 10 V, 0603 TDK Cap, ceramic, .01 mF, 50 V, 0603 TDK Cap, Alum elect, 10 mF, 25 V Panasonic Cap, Alum elect, 1500 mF, 6.3 V Panasonic Cap, class X1, 1.0 nF, 440 Vac Vishay/Roederstein Diode, Rectifier, 600 V, 1.0 A ON Semiconductor Rectifier, Schottky, 40 V, 3.0 A ON Semiconductor Diode, Switching, 70 V, 200 mA ON Semiconductor Diode, Ultra–Fast 600 V, 1.0 A, ON Semiconductor Fuse, 160 mA, 250 Vac Cooper Bussman Inductor, 33 mH Cooper Coiltronics Connector Beau Resistor, 470 W, 5% Vishay/Dale Resistor, 4.7 kW, .25 W, 5% Resistor, 270 W, 5% Vishay/Dale Resistor, 2.0 kW, 5% Vishay/Dale Resistor, 6.8 W, .25 W, 5% Resistor, 10 W, .25 W, 5% Transformer, flyback Cooper Coiltronics IC, Switching Regulator ON Semiconductor Optocoupler Lumex IC, Voltage Regulator ON Semiconductor C1608X5R1A105K C6 C1608X7R1A103K C7, C11 ECA–1EM100 C8 EEU–FCOJ152 C9, C10 WYO102MCMBFOK C12 1N4005 D1–D4 MBRS340T3 D5 MMBD6050LT1 D6 MUR160 D7 BK/ETF–160MA F1 UP0.4C–330 L1 830502 P1, P2 CRCW1206–471–5% R1 – R2 CRCW1206–271–5% R3 CRCW1206–2k1% R4, R5 – – CTX13–14602 R6, R7 R8, R9 T1 NCP1000P U1 67–1560–5 U2 TL431AID U3 © Semiconductor Components Industries, LLC, 2002 June, 2002 – Rev. 4 1 Publication Order Number: AND8019/D 1 page R6 F1 6.8 D1 – D4 Vin C1 R7 6.8 AND8019/D + C2 10 mF + C3 10 mF R2 4.7 k T1 D5 C4 2.2 nF C9 1500 mF D7 C10 1500 mF R3 R4 270 2 k p/o U2 5 V, 1 A C11 .01 mF p/o U2 C5 3.3 mF C6 1.0 mF R1 470 1 NCP 1000 L1 33 mH C8 10 mF R8 10 D6 C7 .01 mF R9 10 U3 TL431 C12 1 nF R5 2k RETURN Figure 2. Schematic Diagram http://onsemi.com 5 5 Page Notes AND8019/D http://onsemi.com 11 11 Page

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