поискавой системы для электроныых деталей |
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LC5546LF датащи(PDF) 3 Page - Sanken electric |
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LC5546LF датащи(HTML) 3 Page - Sanken electric |
3 / 13 page Electrical Characteristics of Control Part Unless specifically noted, TA is 25°C, VCC = 20 V Characteristic Symbol Test Conditions Pins Min. Typ. Max. Unit Power Supply Startup Operation Operation Start Voltage VCC(ON) 3 – 2 13.8 15.1 17.3 V Operation Stop Voltage* VCC(OFF) 3 – 2 8.4 9.4 10.7 V Circuit Current in Operation ICC(ON) 3 – 2 – – 4.7 mA Startup Circuit Operation Voltage VSTARTUP 1 – 2 18 21 24 V Startup Current ICC(STARTUP) VCC = 13 V 3 – 2 −8.5 −4.0 −1.5 mA Startup Current Threshold Biasing Voltage* VCC(BIAS) 3 – 2 9.5 11.0 12.5 V Normal Operation PWM Operation Frequency fOSC 1 – 2 33 40 47 kHz Maximum On-Time tON(MAX) 1 – 2 14 17.5 21 μs FB Pin Control Minimum Voltage VFB(MIN) 5 – 2 0.50 0.85 1.20 V Maximum Feedback Current IFB(MAX) 5 – 2 –40 –25 –10 μA Leading Edge Blanking Time tON(LEB) 4 – 2 − 600 − ns Quasi-Resonant Operation Threshold Voltage-1 VBD(TH1) 4 – 2 0.14 0.24 0.34 V Quasi-Resonant Operation Threshold Voltage-2 VBD(TH2) 4 – 2 0.11 0.16 0.21 V Protection Operation OCP Pin Overcurrent Protection (OCP) Threshold Voltage VOCP 4 – 2 −0.66 −0.60 −0.54 V OCP Pin Source Current IOCP 4 – 2 −120 −40 −10 μA OCP Pin Overvoltage Protection (OVP) Operation Voltage VBD(OVP) 4 – 2 2.2 2.6 3.0 V Overload Protection (OLP) Threshold Voltage VFB(OLP) 5 – 2 4.1 4.5 4.9 V OVP Pin OVP Threshold Voltage VOVP(OVP) 7 – 2 1.6 2.0 2.4 V VCC Pin OVP Threshold Voltage VCC(OVP) 3 – 2 28.5 31.5 34.0 V Thermal Shutdown Activating Temperature TJ(TSD) ― 135 – – °C *VCC(BIAS) > VCC(OFF) always. January 28, 2013 3 SANKEN ELECTRIC CO., LTD. LC5540LF-DS Single-Stage Power Factor Corrected Off-Line Switching Regulator ICs LC5540LF Series |
Аналогичный номер детали - LC5546LF |
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Аналогичное описание - LC5546LF |
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