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TS432I bảng dữ liệu(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS432I bảng dữ liệu(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 10 page TS432I Adjustable Precision Shunt Regulator 2/10 Version: C14 Recommend Operating Condition Parameter Symbol Limit Unit Cathode Voltage (Note 1) VKA 18 V Continuous Cathode Current Range IK 100 mA Recommend Operating Condition Parameter Symbol Test Conditions Min Typ Max Unit Reference voltage TS432AI VREF VKA =VREF, IK=10mA (Figure 1) Ta=25 oC 1.227 1.240 1.252 V TS432BI 1.233 1.246 Deviation of reference input voltage ∆VREF VKA =VREF, IK=10mA Ta= full range (Figure 1) -- 10 25 mV Radio of change in Vref to change in cathode Voltage ∆VREF/∆VKA IKA=10mA, VKA = 18V to VREF (Figure 2) -- -1.0 -2.7 mV/V Reference Input current IREF R1=10K Ω, R2= ∞, I KA=10mA Ta= full range (Figure 2) -- 0.25 0.5 µA Deviation of reference input current, over temp. ∆IREF R1=10K Ω, R2= ∞, I KA=10mA Ta= full range (Figure 2) -- 0.04 0.08 µA Off-state Cathode Current IKA(off) VREF=0V (Figure 3), VKA=18V -- 0.125 0.5 µA Dynamic Output Impedance |ZKA| f<1KHz, VKA=VREF IKA=1mA to 100mA (Figure 1) -- 0.2 0.4 Ω Minimum operating cathode current IKA(min) VKA=VREF (Figure 1) -- 60 80 µA * The deviation parameters ∆VREF and ∆IREF are defined as difference between the maximum value and minimum value obtained over the full operating ambient temperature range that applied. * The average temperature coefficient of the reference input voltage, αV REF is defined as: Where: T2-T1 = full temperature change. α VREF can be positive or negative depending on whether VREF Min. or VREF Max occurs at the lower ambient temperature. Example: ∆VREF=7.2mV and the slope is positive, VREF=1.241V at 25 oC, ∆T=125oC * The dynamic impedance ZKA is defined as: * When the device operating with two external resistors, R1 and R2, (refer to Figure 2) the total dynamic impedance of the circuit is given by: |
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