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TL431 Datenblatt(PDF) 2 Page - IK Semicon Co., Ltd |
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TL431 Datenblatt(HTML) 2 Page - IK Semicon Co., Ltd |
2 / 12 page TL431 RECOMMENDED OPERATING CONDITIONS Characteristic Symbol Test Condition Min Typ Max Unit Cathode Voltage VKA VREF 40 V Cathode Current IK 0.5 100 mA ELECTRICAL CHARACTERISTICS (Ta = 25 oC, V KA = VREF, IK = 10mA unless otherwise specified) Characteristic Symbol Test Condition Min Typ Max Unit Reference Input Voltage VREF VKA = VREF, IK = 10mA TL431 (2%) TL431-A (1%) TL431-C (0.5%) 2.440 2.470 2.482 2.495 2.495 2.495 2.550 2.520 2.508 V Deviation of Reference Input Voltage Over Full Temperature Range VREF(dev) Tmin ≤ Ta ≤ Tmax 3 17 MV Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Δ Δ V V REF KA ΔV KA = 10V-VREF ΔV KA = 36V- 10V -1.4 -1.0 -2.7 -2.0 mV/V Reference Input Current IREF R1 = 10KΩ, R2 = ∞ 1.8 4 ㎂ Deviation of Reference Input Current Over Full Temperature Range IREF(dev) R1 = 10KΩ, R2 = ∞ 0.4 1.2 ㎂ Minimum Cathode Current for Regulation IK(min) 0.25 0.5 mA Off-State Cathode Current IK(off) VKA = 40 V, VREF = 0 0.26 0.9 ㎂ Dynamic Impedance ZKA IK = 10mA to 100 mA , f ≤ 1.0KHz 0.22 0.5 Ω Rev. 00 TEST CIRCUITS Figure 1. Test Circuit for VKA = VREF Figure 2. Test Circuit for VKA ≥ VREF Figure 3. Test Circuit for I off IK(OFF) BT432 INPUT VKA TL431 TL431 TL431 |
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Ähnliche Beschreibung - TL431 |
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