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LM317E3 Arkusz danych(PDF) 2 Page - Cystech Electonics Corp. |
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LM317E3 Arkusz danych(HTML) 2 Page - Cystech Electonics Corp. |
2 / 10 page CYStech Electronics Corp. Spec. No. : C513E3 Issued Date : 2003.04.09 Revised Date :2005.05.17 Page No. : 2/10 LM317E3 CYStek Product Specification Electrical Characteristics(VI-VO=5V,IO=0.5A,TJ=0 to 125℃, unless otherwise noted) Characteristics Symbol Conditions Min Typ Max Unit Line Regulation(Note 1) Reg line TA=25℃,3.0V≤VI-VO≤40V - 0.01 0.04 %/V Load Regulation(Note 1) Reg load TA=25℃,10mA≤IO≤1.5A VO≤5.0V VO≥5.0V - - 5.0 0.1 25 0.5 mV %VO Thermal Regulation(Note 4) Reg therm TA=25℃, 20ms pulse - 0.03 0.07 %VO/W Adjust Pin Current IAdj - 50 100 µA Adjust Pin Current Change ∆IAdj 2.5V≤VI-VO≤40V,10mA≤IL≤1.5A PD≤20W - 0.2 5.0 µA Reference Voltage Vref 3.0V≤VI-VO≤40V,10mA≤IO≤1.5A PD≤20W 1.2 1.25 1.3 V Temperature Stability Ts 0≤TJ≤125℃ - 0.7 - %VO Minimum Load Current to maintain Regulation ILmin VI-VO=40V - 3.5 10 mA Maximum Output Current Imax VI-VO≤15V,PD≤20W VI-VO≤40V,PD≤20W,TA=25℃ 1. 5 0.15 2.2 0.4 - - A RMS Noise N % of VO,TA=25℃,10Hz≤f≤10kHz - 0.003 - %VO Ripple Rejection(Note 2) RR VO=10V,f=120Hz Without CAdj CAdj=10µF - 66 65 80 - - dB Long-Term Stability(Note 3) S TJ=125℃,TA=25℃ for endpoint measurements - 0.3 1.0 %/1.0k Hrs Notes:1.Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. 2.CAdj, when used, is connected between the adjustment pin and ground. 3.Since long-term stability cannot be measured on each device before shipment, this specification is an engineering estimate of average stability from lot to lot. 4.Power dissipation within an IC voltage regulator produces a temperature gradient on the die, affecting individual IC components on the die. These effects can be minimized by proper integrated circuit design and layout techniques. Thermal regulation is the effect of these temperature gradients on the output voltage and is expressed in percentage of output change per watt of power change in a specified time. |
Podobny numer części - LM317E3 |
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Podobny opis - LM317E3 |
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