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STR3A253 bảng dữ liệu(PDF) 4 Page - Sanken electric |
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STR3A253 bảng dữ liệu(HTML) 4 Page - Sanken electric |
4 / 25 page STR3A200 Series STR3A200 - DSJ Rev.2.0 SANKEN ELECTRIC CO.,LTD. 4 May.18, 2015 http://www.sanken-ele.co.jp © SANKEN ELECTRIC CO.,LTD. 2013 2. Electrical Characteristics ● The polarity value for current specifies a sink as "+," and a source as "−," referencing the IC ● Unless otherwise specified, T A = 25 °C, VCC = 18 V, 5 pin = 6 pin = 7 pin = 8 pin Parameter Symbol Test Conditions Pins Min. Typ. Max. Units Notes Power Supply Startup Operation Operation Start Voltage VCC(ON) 2 − 3 13.8 15.0 16.2 V Operation Stop Voltage (1) VCC(OFF) 2 − 3 7.6 8.5 9.2 V Circuit Current in Operation ICC(ON) VCC = 12 V 2 − 3 − 1.7 2.3 mA Startup Circuit Operation Voltage VST(ON) 8 − 3 40 47 55 V Startup Current ICC(ST) VCC = 13.5 V 2 − 3 − 4.5 − 2.5 − 1.2 mA Startup Current Biasing Threshold Voltage VCC(BIAS) ICC=−500µA 2 − 3 8.0 9.6 10.5 V Normal Operation Average Switching Frequency fOSC(AVG) 8 − 3 60 67 73 kHz Switching Frequency Modulation Deviation Δf 8 − 3 − 5.4 − kHz Maximum Feedback Current IFB(MAX) VCC = 12 V 4 − 3 − 170 − 130 − 90 µA Minimum Feedback Current IFB(MIN) 4 − 3 − 21 − 13 − 5 µA Standby Operation Oscillation Stop FB Voltage VFB(OFF) 4 − 3 1.06 1.16 1.26 V 3A251 / 51D /53 / 53D 0.81 0.90 0.99 3A255 / 55D Protection Maximum ON Duty DMAX 8 − 3 70 75 80 % Leading Edge Blanking Time tBW − − 330 − ns OCP Compensation Coefficient DPC − − 17.3 − mV/μs OCP Compensation ON Duty DDPC − − 36 − % OCP Threshold Voltage at Zero ON Duty VOCP(L) 1 − 3 0.735 0.795 0.855 V OCP Threshold Voltage at 36% ON Duty VOCP(H) 1 − 3 0.843 0.888 0.933 V OCP Threshold Voltage During LEB (tBW) VOCP(LEB) 1 − 3 − 1.69 − V OLP Threshold Voltage VFB(OLP) VCC= 32V 4 − 3 6.8 7.3 7.8 V OLP Operation Current tOLP ― 55 75 90 ms OLP Delay Time ICC(OLP) VCC= 12V 2 − 3 − 160 − µA FB/OLP Pin Clamp Voltage VFB(CLAMP) 4 − 3 10.5 11.8 13.5 V OVP Threshold Voltage VCC(OVP) 2 − 3 27.0 29.1 31.2 V (1) V CC(BIAS) > VCC(OFF) always. |
Số phần tương tự - STR3A253 |
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Mô tả tương tự - STR3A253 |
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