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STR3A255 Datasheet(PDF) 1 Page - Sanken electric |
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STR3A255 Datasheet(HTML) 1 Page - Sanken electric |
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1 / 25 page  Off-Line PWM Controllers with Integrated Power MOSFET STR3A200 Series Data Sheet STR3A200 - DSJ Rev.2.0 SANKEN ELECTRIC CO.,LTD. 1 May.18, 2015 http://www.sanken-ele.co.jp © SANKEN ELECTRIC CO.,LTD. 2013 Description The STR3A200 series are power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC. The low standby power is accomplished by the automatic switching between the PWM operation in normal operation and the burst-oscillation under light load conditions. The product achieves high cost-performance power supply systems with few external components. Features ● Low Thermal Resistance Package ● Current Mode Type PWM Control ● Soft Start Function ● Auto Standby Function No Load Power Consumption < 15mW ● Operation Mode Normal Operation: PWM Mode Standby : Burst Oscillation Mode ● Random Switching Function ● Slope Compensation Function ● Leading Edge Blanking Function ● Bias Assist Function ● Protections − Two Types of Overcurrent Protection (OCP) : Pulse-by-Pulse, built-in compensation circuit to minimize OCP point variation on AC input voltage − Overload Protection (OLP) : Aauto-restart − Overvoltage Protection (OVP) : Latched shutdown or auto-restart − Thermal Shutdown (TSD) : Latched shutdown or auto-restart with hysteresis Typical Application Circuit VAC C1 C5 R1 D1 D2 R2 C2 T1 D51 C51 R51 R52 U2 R54 R56 C52 D P S PC1 PC1 C3 ROCP BR1 R53 R55 L51 C53 C4 VOUT GND 1 2 3 4 D/ST D/ST VCC NC S/OCP FB/OLP GND D/ST D/ST 8 7 6 5 STR3A200 U1 CY TC_STR3A200_1_R1 Package DIP8 Not to Scale Lineup ● Electrical Characteristics fOSC(AVG) = 67 kHz VDSS(min.) = 650 V Products OVP, TSD Operation STR3A25× Latched shutdown STR3A25×D Auto restart ● MOSFET オン抵抗、出力電力 P OUT* Products RDS(ON) (max.) POUT (Adapter) POUT (Open frame) AC230V AC85 ~265V AC230V AC85 ~265V STR3A251 4.0 Ω 29.5 W 19.5 W 37 W 23 W STR3A251D STR3A253 1.9 Ω 37 W 27.5 W 53 W 35 W STR3A253D STR3A255 1.1 Ω 45 W 35 W 65 W 44 W STR3A255D * The output power is actual continues power that is measured at 50 °C ambient. The peak output power can be 120 to 140 % of the value stated here. Core size, ON Duty, and thermal design affect the output power. It may be less than the value stated here. Application ● AC/DC adapter ● White goods ● Other SMPS 余白上 35mm ヘッター1 線 長さ 174 mm 下方向 33mm 右方向-2mm ヘッター1 線 長さ 174 mm 下方向 33mm 右方向-2mm |
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