LM317M Datasheet (data sheet) PDF





LM317M Datasheet, 3-Terminal 0.5A Adjustable Regulator

LM317M   LM317M  

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LM317M 3-Terminal 0.5A Adjustable Regula tor DESCRIPTION LM317M series of adjust able 3-terminal positive voltage regula tors is capable of supply in excess of 0.5A over a 1.2V to 37V output range. T hey are exceptionally easy to use, and require only two external resistors to set the output voltage. Further, both l ine and load regulation are better than standard fixed regulators. FEATURES Output current in excess of 0.5A ■ Pb-Free Packages are available ■ Inte rnal Thermal shutdown and SOA protectio n ■ Output voltage offered in 4% Tole rance ■ High ESD Level (HBM>8000V, MM >800V) TYPICAL APPLICATION The input vo ltage must remain typically 2.0V ab

LM317M Datasheet, 3-Terminal 0.5A Adjustable Regulator

LM317M   LM317M  
ove the output voltage even during the l ow point on the ripple voltage. * CI is required if regulator is located an ap preciable Distance from power filter. * CO improves transient response. Values of ≤ 0.1 µF could cause instability . REV. 02 1 LM317M Maximum Ratings (T A=25 °C, unless otherwise noted) Rati ng Symbol Value Unit Input-Output V oltage Differential VIN - VO 40 V P ower Dissipation Storage Junction Tempe rature Operating Junction Temperature PD TSTG TJ Internally Limited -65 ~ 15 0 -0 ~ 125 W °C °C Temperature Coef ficient of Output Voltage ΔVO / ΔT 0.02 % / °C Stresses exceeding Max imum ratings may damage the device. Max imum ratings are stress ratings. Funct ional operation above the recommended o perating conditions is not implied. Ex tended exposure to stresses the above t he recommended operating conditions may affect device reliability. Represent ative Schematic of LM317M R5 R6 R7 R 22 VIN R8 R11 D2 Q37 Q41 Q10 Q9 Q1 1 Q12 Q13 Q14 Q15 Q35 R17 Q40 Q1 R1 Q6 Q2 Q3 Q7 Q20 Q21 Q8 Q18 Q19 R1 8 C2 Q43 R21 R20 Q22 SENSE Q4 Q5 R 3 C1 R2 R4 R12 R19 RT5 RT4 RT3 RT2 RT 1 Q34 QP1 R23 R24 R25 VOUT ADJ_GND R EV. 02 2 Ordering Information LM317M LM317M ΔΔΔ Lead Free Option Blank : not Lead Free L: Lead Free Tape and Reel Option T : Tube Pa








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