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STR-W6052S Datasheet(PDF) 4 Page - Sanken electric |
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STR-W6052S Datasheet(HTML) 4 Page - Sanken electric |
4 / 14 page 4 SANKEN ELECTRIC CO., LTD. STR-A6000S-DS PWM Off-Line Switching Regulator ICs STR-W6000S Series February 27, 2013 Electrical Characteristics of Control Part Unless otherwise specified, TA = 25°C, VCC = 18 V Characteristic Symbol Conditions Pins Min. Typ. Max. Unit Operation Start Voltage VCC(ON) 4 – 5 13.8 15.3 16.8 V Operation Stop Voltage* VCC(OFF) 4 – 5 7.3 8.1 8.9 V Circuit Current in Operation ICC(ON) VCC = 12 V 4 – 5 – – 2.5 mA Minimum Start Voltage VST(ON) 4 – 5 – 40 – V Startup Current ISTARTUP VCC = 13.5 V 4 – 5 −3.9 −2.5 −1.1 mA Startup Current Threshold Biasing Voltage* VCC(BIAS) ICC = −100 μA 4 – 5 8.5 9.5 10.5 V Average Operation Frequency fOSC(AVG) 1 – 5 60 67 74 kHz Frequency Modulation Deviation Δf 1 – 5 – 5 – kHz Maximum Duty Cycle DMAX 1 – 5 63 71 79 % Leading Edge Blanking Time tBW – – 390 – ns OCP Compensation Coefficient DPC – – 18 – mV/μs OCP Compensation Duty Cycle Limit DDPC –– 36 – % OCP Threshold Voltage at Zero Duty Cycle VOCP(L) 3 – 5 0.70 0.78 0.86 V OCP Threshold Voltage at 36% Duty Cycle VOCP(H) VCC = 32 V 3 – 5 0.79 0.88 0.97 V Maximum Feedback Current IFB(MAX) VCC = 12 V 6 – 5 −340 −230 −150 μA Minimum Feedback Current IFB(MIN) 6 – 5 −30 −15 −7 μA FB/OLP Pin Oscillation Stop Threshold Voltage VFB(STB) 6 – 5 0.85 0.95 1.05 V OLP Threshold Voltage VFB(OLP) 6 – 5 7.3 8.1 8.9 V OLP Delay Time tOLP 6 – 5 54 68 82 ms OLP Operation Current ICC(OLP) VCC = 12 V 4 – 5 – 300 – μA FB/OLP Pin Clamp Voltage VFB(CLAMP) 6 – 5 11 12.8 14 V Brown-In Threshold Voltage VBR(IN) VCC = 32 V 7 – 5 5.2 5.6 6 V Brown-Out Threshold Voltage VBR(OUT) VCC = 32 V 7 – 5 4.45 4.8 5.15 V BR Pin Clamp Voltage VBR(CLAMP) VCC = 32 V 7 – 5 6 6.4 7 V BR Function Disabling Threshold Voltage VBR(DIS) VCC = 32 V 7 – 5 0.3 0.48 0.7 V VCC Pin OVP Threshold Voltage VCC(OVP) 4 – 5 26 29 32 V Thermal Shutdown Temperature Tj(TSD) – 130 – – °C *VCC(BIAS) > VCC(OFF) always. |
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