TL431M
Constant Current Source Figure 23. Constant Current Sink V+ R1 Vout V+ R1 Vout R2 R2 V out(trip) + 1 ) R1 V R2 ref 1 ) R1 V R2 ref V out(trip) + Figure 24. TRIAC Crowbar Figure 25. SRC Crowbar http://onsemi.com 8 TL431, A, B Series, NCV431A V+ l R1 R3 Vout V+ ...
CurrentLimiterorCurrentSourceDS010055-23ConstantCurrentSinkDS010055-24DS010055-27www.national.com8PhysicalDimensionsinches(millimeters)unlessotherwisenotedOrderNumberLM431ACM,LM431AIM,LM431BCM,LM431BIM,LM431CCM,orLM431CIMNSPackageNumberM08ASOT-23MoldedSmallOutlineTransistorPackage(M3)OrderNumberLM431ACM3,...
3. Sink Current Capability of 1.0 to 100mA 4. Equivalent Full-Range Temperature Coefficient of 50ppm/ Typical 5. Temperature Compensated for Operation over Full Rated Operating Temperature Range 6. Low Output Noise V oltage ORDERING INFORMATION PACKAGE TYPE OPERATING TO-92 SOT-23N SOP...
10mATL4312TL431-A1TL431-C0.52.4402.4702.4822.4952.4952.4952.5502.5202.508VDeviationofReferenceInputVoltageOverFullTemperatureRangeVREFdevTmin≤Ta≤Tmax317MVRatioofChangeinReferenceInputVoltagetotheChangeinCathodeVoltageΔΔVVREFKAΔVKA10V-VREFΔVKA36V-10V-1.4-1.0-2.7-2.0mV/VReferenceInputCurrentIREFR110KΩ...
current Shunt Regulator -Terminal Fixed Regulator VIN VOUT IOUT VIN IOUT VOUT RCL RS RS UTC UTC TL431 TL431 IOUT=VREF/RS IOUT =VREF/RCL Constant-current Sink Current Limiting or Current Source UNISONIC TECHNOLOGIES CO., LTD 4 of 6 QW-R103-003.AQ TL431 LINEAR INTEGRATED CIRCUIT ■ ...
.twQW-R103-003,ACBLOCKDIAGRAM2.5VVREFCATHODEANODEREFERENCECATHODE(K)ANODE(A)REFERENCE(R)TL431LINEARINTEGRATEDCIRCUITUNISONICTECHNOLOGIESCO.,LTD4of7.unisonic.twQW-R103-003,AC ABSOLUTEMAXIMUMRATINGS(Operatingtemperaturerangeappliesunlessotherwisespecified)PARAMETERSYMBOLRATINGSUNITCathodeVoltageVKA37VCathodeCurrent...
When feedback is applied from the Cathode and Reference pins, TL43xx behaves as a Zener diode, regulating to a constant voltage dependent on current being supplied into the cathode. This is due to the internal amplifier and reference entering the proper operating regions. The same amount of ...
电源芯片 TL431.pdf
* Sink current capability of 1.0 to 100mA.* Equivalent full-range temperature coefficient of 50ppm/ °C typical for operation over full rated operating temperature range. ORDERING INFORMATION Ordering Number Pin Assignment Normal Lead Free Halogen Free 12345678 Package Packing TL431-AB3-R ...