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LC5525F Datasheet(PDF) 3 Page - Sanken electric |
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LC5525F Datasheet(HTML) 3 Page - Sanken electric |
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3 / 11 page ![]() 3 SANKEN ELECTRIC CO., LTD. LC5525F-DS Single-Stage Power Factor Corrected Off-Line Switching Regulator IC LC5525F November 26, 2012 ELECTRICAL CHARACTERISTICS of Control Part TA = 25°C, VCC = 20 V, unless otherwise specified Characteristic Symbol Test Conditions Pins Min. Typ. Max. Unit Startup Operation Operation Start Voltage VCC(ON) 4 – 2 13.8 15.1 17.3 V Operation Stop Voltage* VCC(OFF) 4 – 2 8.4 9.4 10.7 V Operating Current ICC(ON) 4 – 2 – – 3.7 mA Startup Circuit Operation Voltage VSTARTUP 1 – 2 42 57 72 V Startup Current ICC(STARTUP) VCC = 13 V 4 – 2 −5.5 −3.0 −1.0 mA Startup Current Threshold Biasing Voltage-1* VCC(BIAS)1 4 – 2 9.5 11.0 12.5 V Startup Current Threshold Biasing Voltage-2 VCC(BIAS)2 4 – 2 14.4 16.6 18.8 V Normal Operation PWM Operation Frequency fOSC 1 – 2 11.0 14.0 18.0 kHz Maximum On-Time tON(MAX) 1 – 2 30.0 40.0 50.0 μs FB Pin Voltage Minimum Limit VFB(MIN) 6 – 2 0.55 0.90 1.25 V Maximum Feedback Current IFB(MAX) 6 – 2 −40 −25 −10 μA Leading Edge Blanking Time tON(LEB) 5 – 2 − 500 − ns Quasi-Resonant Operation Threshold Voltage-1 VBD(TH1) 5 – 2 0.14 0.24 0.34 V Quasi-Resonant Operation Threshold Voltage-2 VBD(TH2) 5 – 2 0.12 0.17 0.22 V Protection Operation OCP Pin Overcurrent Protection (OCP) Threshold Voltage VOCP 5 – 2 −0.66 −0.60 −0.54 V OCP Pin Source Current IOCP 5 – 2 −120 −40 −10 μA OCP Pin Overvoltage Protection (OVP) Threshold Voltage VBD(OVP) 5 – 2 2.2 2.6 3.0 V Overload Protection (OLP) Threshold Voltage-1 VFB(OLP)1 6 – 2 5.0 5.5 6.0 V Overload Protection (OLP) Threshold Voltage-2 VFB(OLP)2 6 – 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) 4 – 2 28.5 31.5 34.0 V Thermal Shutdown Activating Temperature TJ(TSD) – 135 – – °C *VCC(BIAS)1 > VCC(OFF) always. |
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