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TL431D Scheda tecnica(PDF) 3 Page - Calogic, LLC |
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TL431D Scheda tecnica(HTML) 3 Page - Calogic, LLC |
3 / 6 page TL431 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 ELECTRICAL CHARACTERISTICS Electrical Characteristics are guaranteed over full junction temperature range (0 to 105 oC). Ambient temperature must be derated based on power dissipation and package thermal characteristics. The conditions are: VKA = VREF and IK = 10mA unless otherwise stated. SYMBOL PARAMETER MIN TYP MAX UNIT TEST CIRCUIT TEST CONDITION VREF Reference Voltage 2.470 2.495 2.520 V 1 TA = 25 oC 2.449 2.541 V 1 Over Temp. TC ∆VREF with Temp.* 0.07 0.20 mV/ oC1 ∆VREF ∆VK Ratio of Change in VREF to Cathode Voltage –2.7 –1.0 mV/V 2 VREF to 10V –2 –0.4 0.3 10V to 36V IREF Reference Input Current 0.7 4 µA2 ∆IREF IREF Temp Deviation 0.4 1.2 µA 2 Over Temp. IK(MIN) Min IK for Regulation 0.4 1 mA 1 IK(OFF) Off State Leakage 0.04 250 nA 3 VREF = 0V, VKA = 36V ZKA Dynamic Output Impedance 0.15 0.5 Ω 1f ≤ 1kHz, IK = 1 to 150mA 0 15 30 45 60 75 90 105 TEMPERATURE (˚C) 0.07 mV/˚C 0.003 %/˚C 27 ppm/˚C 0.5 5000 0 00 –10 ∆V REF ∆T 1G-37 • TC in mV/oC = ∆VREF (mV) ∆TA • TC in %/oC = ∆VREF VREF at 25 oC x 100 ∆TA • TC in ppm/oC = ∆VREF VREF at 25 oC x 10 6 ∆TA *CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC) TEST CIRCUITS IN V KA V K I 1G-38 REF I REF = V REF I IN V KA V 2 R 1 R REF (V ) K I 1G-39 IN V KA V K(OFF) I 1G-40 TEST CIRCUIT 1 TEST CIRCUIT 2 TEST CIRCUIT 3 CORPORATION |
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