Fig. 2 Basic TL431 shunt regulator circuit example 1. The TL431 is an excellent shunt regulator, but its current range is limited to 100mA. The addition of a PNP shunt transistor greatly increases power handling capability. The output voltage on the TL431 cathode voltage (TP1) is determined b...
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Test Circuit For Curves B, C, And D of Stability Boundary Conditions 150 IK V+ 10 k CL TYPICAL APPLICATIONS Figure 18. Shunt Regulator V+ R1 Vout Figure 19. High Current Shunt Regulator V+ R1 Vout R2 R2 V out + 1 ) R1 R2 V ref V out + 1 ) R1 R2 V ref MOTOROLA ANALOG IC ...
电子元件tl431系列.pdf,The TL431, A, B integrated circuits are three–terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is PROGRAMMABLE programmable from Vref to 36 V
推荐使用UTC稳压芯片TL43x系列产品,相关信息见平台以下链接:TL431 LINEAR INTEGRATED CIRCUIT PROGRAMMABLE PRECISION REFERENCEMMTL431A, MMTL431AR Adjustable Precision Shunt Regulator Einstellbarer Präzisions-Shunt-Regler 数据手册PROGRAMMABLE PRECISION REFERENCE LTL431xxTLT1G数据手册TL431 PROGRAMMABLE PRECISION ...
TL431LINEARINTEGRATEDCIRCUIT .unisonic.tw1of7 Copyright©2011UnisonicTechnologiesCo.,LtdQW-R103-003,AC PROGRAMMABLEPRECISION REFERENCE DESCRIPTION TheUTCTL431isathree-terminaladjustableregulatorwitha guaranteedthermalstabilityoverapplicabletemperatureranges.
捷多邦,您值得信赖的PCB打样专家! UNISONIC TECHNOLOGIES CO., LTD TL431 LINEAR INTEGRATED CIRCUIT PROGRAMMABLE PRECISION REFERENCE DESCRIPTION The UTC TL431 is a three-terminal adjustable regulator with a guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any...
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TEST CIRCUITLINEAR INTEGRATED CIRCUITINPUTVKA IKA(OFF)UTC TL431VKA=VREF×(1+R1/R2)+IREF×R1 For VKA=VREF For VKA≥VREF For IKA(OFF)APPLICATION CIRCUITVOUT=(1+R1/R2)×VREF Shutdown RegulatorVOUT=(1+R1/R2)×VREF Minimum VOUT=VREF+5V Output Control of a Three -Terminal Fixed Regu...
The circuit inFigure 1limits, or clamps, input-ac voltages higher than 260V rms to levels safe for the operation of the power MOSFET in an SMPS. The circuit employs MOSFET Q1working as a 100-Hz switch and shunt-regulator IC1, a TL431CZ, setting the clamped high-voltage level by divider...