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TL431BCPK Datasheet(PDF) 3 Page - Microsemi Corporation |
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TL431BCPK Datasheet(HTML) 3 Page - Microsemi Corporation |
3 / 11 page TL431 / TL431A / TL431B PRODUCTION DATA SHEET Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 3 Copyright © 1999 Rev. 1.4, 2006-09-26 Precision programmable References TM ® ELECTRICAL CHA RACTERISTICS Unless otherwise specified, these specifications apply over the operating ambient temperature for the TL431C/TL431AC/TL431BC with 0°C < TA < 70°C, and TL431I/TL431AI/TL431BI with -40°C < TA < 85°C TL431/A/B Parameter Symbol Test Conditions Min Typ Max Units TL431 IK = 10mA, VKA = VREF, TA = 25°C 2440 2495 2550 TL431A IK = 10mA, VKA = VREF, TA = 25°C 2470 2495 2520 Reference Input Voltage TL431B VREF IK = 10mA, VKA = VREF, TA = 25°C 2490 2500 2510 mV TL431C IK = 10mA, VKA = VREF 4 17 TL431I IK = 10mA, VKA = VREF 5 30 TL431AC IK = 10mA, VKA = VREF 4 17 TL431AI IK = 10mA, VKA = VREF 5 30 TL431BC IK = 10mA, VKA = VREF 4 15 Reference Drift TL431BI KA REF ΔV ΔV IK = 10mA, VKA = VREF 5 20 mV TL431, TL431A IK = 10mA, VKA = 2.5V to 36V -1.4 -2.7 Voltage Ratio, Ref to Cathode (Note 4) TL431B IK = 10mA, VKA = 2.5V to 36V -1.1 -2.0 mV/V TL431, TL431A VKA = VREF, TA = 25°C 2 4 Reference Input Current TL431B IREF VKA = VREF, TA = 25°C 1.5 1.9 µA Minimum Operating Current IMIN VKA = VREF to 36V 0.4 1 mA TL431 VKA = VREF to 36V, TA= 25°C 0.1 1 TL431A VKA = VREF to 36V, TA= 25°C 0.1 1 VKA = VREF to 36V, TA= Operating Range 2 Off-State Cathode Current TL431B IOFF VKA = 36V, VREF = 0V, TA= 25°C 0.18 0.5 µA TL431 I ZKA I VKA = VREF, IK = 1mA to 100mA, f < 1kHz, TA = 25°C 0.2 0.5 Dynamic Impedance TL431B VKA = VREF, IK = 1mA to 100mA, f < 1kHz, TA = 25°C 0.1 0.2 Ω Note 3: These parameters are guaranteed by design. Note 4: KA REF ΔV ΔV Ratio of change in reference input voltage to the change in cathode voltage. |
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