Datasheet TL431 (Unisonic Technologies) - 4
| Manufacturer | Unisonic Technologies |
| Description | Programmable Precision Reference |
| Pages / Page | 7 / 4 — TL431. LINEAR INTEGRATED CIRCUIT. www.unisonic.com.tw |
| File Format / Size | PDF / 267 Kb |
| Document Language | English |
TL431. LINEAR INTEGRATED CIRCUIT. www.unisonic.com.tw
Text Version of Document
TL431 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Cathode Voltage VKA 37 V Cathode Current Range(Continuous) IKA -100 ~ +150 mA Reference Input Current Range IREF -0.05 ~ +10 mA TO-92 770 mW SOT-89 800 mW Power Dissipation PD SOT-23/SOT-23-3/SOT-25 300 mW SOP-8 600 mW Operating Junction TJ +150 °C Operating Ambient TOPR -40 ~ +85 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged Absolute maximum ratings are stress ratings only and functional device operation is not implied. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNIT Cathode Voltage VKA VREF 36 V Cathode Current IKA 1 100 mA ELECTRICAL CHARACTERISTICS (TC= 25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TL431-A 2.483 2.495 2.507 V TL431-1 2.470 2.495 2.520 V Reference Input Voltage VREF VKA=VREF,IKA=10mA TL431-2 2.520 - 2.545 V TL431-3 2.445 - 2.470 V Deviation of reference Input Voltage Over ΔVREF VKA=VREF,IKA=10mA, 4.5 17 mV temperature ΔT 0°C ≤TA≤70°C Ratio of Change in Reference Input ΔVREF ΔV I KA=10V~VREF -1.0 -2.7 mV/V Voltage to the Change in Cathode Voltage ΔV KA=10mA KA ΔVKA=36V~10V -0.5 -2.0 mV/V Reference Input Current IREF IKA=10mA, R1=10kΩ, R2=∞ 1.5 4 µA Deviation of Reference Input Current Over ΔIREF IKA=10mA, R1=10kΩ, R2=∞, 0.4 1.2 µA Full Temperature Range ΔT TA =full Temperature Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF 0.3 0.5 mA Off-State Cathode Current IKA(OFF) VKA=36V, VREF=0 0.05 1.0 µA Dynamic Impedance ZKA VKA=VREF, IKA=1~ 100mA,f≤1.0kHz 0.15 0.5 Ω UNISONIC TECHNOLOGIES CO., LTD 4 of 7
www.unisonic.com.tw
QW-R103-003.AF
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Cathode Voltage VKA 37 V Cathode Current Range(Continuous) IKA -100 ~ +150 mA Reference Input Current Range IREF -0.05 ~ +10 mA TO-92 770 mW SOT-89 800 mW Power Dissipation PD SOT-23/SOT-23-3/SOT-25 300 mW SOP-8 600 mW Operating Junction TJ +150 °C Operating Ambient TOPR -40 ~ +85 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged Absolute maximum ratings are stress ratings only and functional device operation is not implied. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNIT Cathode Voltage VKA VREF 36 V Cathode Current IKA 1 100 mA ELECTRICAL CHARACTERISTICS (TC= 25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TL431-A 2.483 2.495 2.507 V TL431-1 2.470 2.495 2.520 V Reference Input Voltage VREF VKA=VREF,IKA=10mA TL431-2 2.520 - 2.545 V TL431-3 2.445 - 2.470 V Deviation of reference Input Voltage Over ΔVREF VKA=VREF,IKA=10mA, 4.5 17 mV temperature ΔT 0°C ≤TA≤70°C Ratio of Change in Reference Input ΔVREF ΔV I KA=10V~VREF -1.0 -2.7 mV/V Voltage to the Change in Cathode Voltage ΔV KA=10mA KA ΔVKA=36V~10V -0.5 -2.0 mV/V Reference Input Current IREF IKA=10mA, R1=10kΩ, R2=∞ 1.5 4 µA Deviation of Reference Input Current Over ΔIREF IKA=10mA, R1=10kΩ, R2=∞, 0.4 1.2 µA Full Temperature Range ΔT TA =full Temperature Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF 0.3 0.5 mA Off-State Cathode Current IKA(OFF) VKA=36V, VREF=0 0.05 1.0 µA Dynamic Impedance ZKA VKA=VREF, IKA=1~ 100mA,f≤1.0kHz 0.15 0.5 Ω UNISONIC TECHNOLOGIES CO., LTD 4 of 7
www.unisonic.com.tw
QW-R103-003.AF
