LM7910 Datasheet (data sheet) PDF





LM7910 Datasheet, 3-Terminal Negative voltage Regulators

LM7910   LM7910  

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LM79XX 3-Terminal Negative voltage Regul ators DESCRIPTION These voltage regula tors are designed as fixed negative vol tage regulators for a wide variety of a pplications including local, on-card re gulation. Although designed primarily a s a fixed voltage regulator, these devi ces can be used with external component s to obtain adjustable voltages and cur rents. FEATURES ■ Output current in e xcess of 1.0A ■ No external component s required ■ Output Voltages (-5V, -6 V, -8V, -9V, -10V, -12V, -15V, -18V) Internal Thermal shutdown and SOA pro tection ■ Output voltage offered in 4 % Tolerance ■ Pb-Free Packages are av ailable ■ High ESD Level (HBM>8000V,

LM7910 Datasheet, 3-Terminal Negative voltage Regulators

LM7910   LM7910  
MM>800V) TYPICAL APPLICATION The input voltage must remain typically 2.0V abo ve 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 ≤ 1.0 µF could cause instability . Input 2 Output 3 1 CI CO 2.2uF 1 .0uF 1.0A ,Negative voltage Regulators www.apsemi.com REV. 03 1 LM79XX Ma ximum Ratings (TA=25 °C, unless otherw ise noted) Rating Symbol Value Unit TO-220F TO-220 TO-252 Input Voltage -5V ~ -18V VI -35 V -24V -40 Powe r Dissipation Thermal Resistance of Jun ction to Ambient Thermal Resistance of Junction to Case Storage Temperature Ju nction Temperature Operating Temperatur e PD RθJA RθJC TSTG TJ TOPR 22 65 6 5 55 -55 ~ 125 + 150 -40 ~ 125 1.3 92 5 W °C/W °C/W °C °C °C Stresses exceeding Maximum ratings may damage th e device. Maximum ratings are stress ra tings. Functional operation above the recommended operating conditions is not implied. Extended exposure to stresse s the above the recommended operating c onditions may affect device reliabilit y. PD(max) = (TJ(max)–TA) ÷ θJA. E xceeding the maximum allowable power di ssipation will result in excessive die temperature, and the regulator will go into thermal shutdown. Re








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