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UL497G-S16-T Datasheet(PDF) 6 Page - Unisonic Technologies |
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UL497G-S16-T Datasheet(HTML) 6 Page - Unisonic Technologies |
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6 / 8 page  UL497 Preliminary LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 6 of 8 www.unisonic.com.tw QW-R118-015.a ELECTRICAL CHARACTERISTICS (VS=14.4V, -40 °C<TJ<125°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Min Operating Voltage V3 3.5 V Supply Current I3 V3=6V 5 18 25 mA V3=4V 7 13 mA Voltage Supply VS 28 V Supply Clamping Zener Voltage VZ3 IZ3=70mA 6.8 7.5 8.2 V Input Voltage V5 Low Status 0.6 V High Status 2.5 V Input Current I5 V5=LOW -400 -50 μA Darlington Driver Saturation Current V16–14 I14=50mA 0.5 V I14=180mA 0.9 V Current Limit Sensing Voltage VSENSE VS=6~16V 260 320 370 mV CW Charge Current I11C VS=5.3~16V,V11=0.5V, T=10~33ms -11.0 -9.3 -7.8 μA CW Charge Current I11D VS=5.3~16V, V11=0.5V, T=10~33ms 0.5 0.7 1.0 μA CW Charge Discharge ratio I11C/I11D VS= 5.3~16V, V11=0.5V, T=10~33ms (Note 1) 7.8 22.0 Percentage of Output Current Determining the Slow Recovery Control Start (Note 2) ISRC/ISENSE 90 94 98.5 % Duration of Altered Small Control Ratio after SRC Function Start TSRC CSRC=1μF, R7=62KΩ 0.8 s External Darlington over V Prot Zener Voltage VZ15 I15=5mA 19 22.5 26 V I15=2mA 18 21.5 25 Permanent Conduction Time TP V5=High, CP=1μF, R7=62KΩ 0.4 1.1 1.8 s RPM Output Saturation Voltage V6SAT I6=18.5mA 0.5 V I6=25mA 0.8 V RPM Output Leakage Current I6 LEAK VS=20V 50 μA Auxiliary Zener Voltage VZ7 I7=20mA 19 27 V Reference Voltage V12 1.20 1.25 1.30 V Notes: 1. td/t desaturation ratio is given by: td/T=1/[1+I11C/I11D] 2. ISENSE=Icoil when the external Darlington is in the active region. |
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