LM1108 HTC Korea TAEJIN Technology Co., LM1108 Datasheet
LM1108
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LM1108 Summary of contents
Page 1
... The LM1108 in corporates both over temperature and over current protection. The LM1108 is stable with an output capacitor of only1µF and has a maximum out put current of 300mA available in a SOT-23 & SOT-89 package TYPICAL APPLICATION CIRCUIT ...
Page 2
... Operating Ambient Temperature Lead Temperature (soldering, 5 sec) Storage Temperature ELECTRICAL CHARACTERISTICS Note.1 : Load Regulation is measured using pulse techniques with duty cycle<5% Symbol Vin Iout Vout SOT23 PKG Pd SOT89 PKG Topr Tstg - 2 - LM1108F/SF Value Unit +6.5 300 mA Vss-0.3 to Vin+0.3 230 mW 500 -40 ~ +85 260 -40 ~ +125 HTC V V ° ...
Page 3
... Detail Description - The LM1108 is aprecision, fixed output LDO. Un like bipolar regulators, the LM1108’s supply current does not increase with load current. In addition,VOUT remains stable and with in regulation over theen tire 0mA to IOUT MAX operating load currentrange, (an important consideration in RTC and CMOS RAM battery back-up applications). ...
Page 4
... Equation 2-1can be used in conjunction with Equation 2-2 to ensure regulator thermal operation is within limits. Forexample: In this example, the LM1108 dissipates a maximum of 260mW; below the allow able limit of 508 similar manner, Equation 2-1 and Equation 2-2 can be used to calculate maximum current and/or input voltage limits. For example, the maximum allowable VIN, is found by sustituting the maximum allowable power dissipation of 508 mW into Equation 2-1, from which VINMAX = 4 ...