cystech electronics corp. spec. no. : c506f3 issued date : 2007.07.19 revised date :2007.12.11 page no. : 1/5 LM1117-XXXF3 cystek product specification 1a low dropout positive voltage regulator LM1117-XXXF3 features description adjustable or fixed output the lm1117 series of positive adjustable and fixed output current of 1a regulators are designed to provide 1a with high low dropout, 1.4v max at 1a output current efficiency. all internal circuitry is designed to good noise rejection operate down to 1.4v input to output differential. output current limiting the product is specifically designed to provide well- built-in thermal shutdown regulated supply fo r low-voltage ic application such fast transient response as high-speed bus termination and low current 3.3v logic supply, and other applications such as vg a cards. applications high efficiency linear regulators post regulators for switching supplies adjustable power supply typical application data fixed voltage regulator + + tab in gnd out c1 c2 vi n>4. 75v vout =3. 3v 10 f, t an. min 10 f, t an. 1)c1 needed if device is far from filter capacitors 2 ) c2 n otes: 3 1 2 minimum v alue re q uir ed for st abilit y adjustable voltage regulator + + tab in adj out r1 r2 c1 c2 vin>4.75v vout=3.45v 10 f, tan. min 133 ? ,1% 232 ? , 1% 10 f, t an. vout=vref(1+r2/r1)+iadjr2 1)c1 needed if device is far from filter capacitors 2)c2 minimum value requir ed for stabilit y n otes: 3 1 2
cystech electronics corp. spec. no. : c506f3 issued date : 2007.07.19 revised date :2007.12.11 page no. : 2/5 LM1117-XXXF3 cystek product specification package information pin name 1 adj/gnd 2 output 3 input to-263 absolute maximum ratings symbol parameter maximum units p d power dissipation 1150 mw v in input voltage -0.3 ~ +15 v t opr operating junction temperature range 0 ~ +125 t stg storage temperature -65 ~ +150 t mj maximum junction temperature 150 device selection guide device output voltage lm1117-adj adjustable lm1117-1.5 1.5v lm1117-1.8 1.8v lm1117-2.5 2.5v lm1117-3.3 3.3v lm1117-5.0 5.0v block diagram
cystech electronics corp. spec. no. : c506f3 issued date : 2007.07.19 revised date :2007.12.11 page no. : 3/5 LM1117-XXXF3 cystek product specification electrical characteristics @ i o =10ma,t j =25 , unless otherwise specified paramete r device test conditions min t yp max units reference voltage adj version v in- v out =1.5v 1.225 1.250 1.275 v lm1117-1.5 3.0v v in 12v 1.470 1.500 1.530 v lm1117-1.8 3.3v v in 12v 1.764 1.800 1.836 v lm1117-2.5 4.0v v in 12v 2.450 2.500 2.550 v lm1117-3.3 4.8v v in 12v 3.235 3.300 3.365 v output voltage lm1117-5.0 6.5v v in 12v 4.900 5.000 5.100 v line regulation all version v out +1.5v v in 12v - - 0.2 % lm1117-adj v in =3.3v, vadj=0, 10ma i o 1a - - 1 % lm1117-1.5 v in =3.0v, 0ma i o 1a - 12 15 mv lm1117-1.8 v in =3.3v, 0ma i o 1a - 15 18 mv lm1117-2.5 v in =4.0v, 0ma i o 1a - 20 25 mv lm1117-3.3 v in =5.0v, 0ma i o 1a - 26 33 mv load regulation (note 1, 2) lm1117-5.0 v in =8.0v, 0ma i o 1a - 40 50 mv dropout voltage (v in -v out ) all version i o =1a ( v out =1%v out ) - 1.3 1.4 v current limit all version v in -v out =5v 1.1 - - a minimum load current adj version v in =5v - 5 10 ma adjust pin current adj version v in =12v, i o =10ma - 50 100 a quiescent current fixed version v in =12v, i o =0ma - - 12 ma thermal regulation all version t a =25 , 30ms pulse - 0.008 0.04 %/w ripple rejection all version f=120hz, v in =v out +3v, i o = 1a, c out =25 f tantalum - 60 70 db temperature stability all version i o = 10ma - 0.5 - % thermal resistance, junction to ambient( no heat sink, no air flow) all version - 85 - /w thermal resistance, junction to case all version control circuitry/ power transistor - 0.65/2.7 - /w note : 1.see thermal regulation specifications for changes in out put voltage due to heating effect s. line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. load regulation is measured at the output lead 1/18? from the package. 2. line and load regulation are guaranteed up to the maximum power dissipation of 15w. power dissipation is determ ined by the difference in input and output and the out put current. guaranteed maximum power dissipation will not be availa ble over the full input/output range.
cystech electronics corp. spec. no. : c506f3 issued date : 2007.07.19 revised date :2007.12.11 page no. : 4/5 LM1117-XXXF3 cystek product specification characteristic curves gnd
cystech electronics corp. spec. no. : c506f3 issued date : 2007.07.19 revised date :2007.12.11 page no. : 5/5 LM1117-XXXF3 cystek product specification to-263 dimension *:typical inches a b c d 123 k l j g h f e 2 1 2 3 i 1.5v -15 1.8v -18 2.5v -25 3.3v -33 5.0v -50 adj blank vo u t : marking : date code device name 1117- 3-lead plastic surface mounted package cystek package code : f3 style : pin 1.adj(gnd) 2.vout(tab) 3.vin millimeters inches millimeters dim min. max. min. max. dim min. max. min. max. a 0.3800 0.4050 9.65 10.29 i 0.0500 0.0700 1.27 1.78 b 0.3300 0.3700 8.38 9.40 j - *0.1000 - *2.54 c - 0.0550 - 1.40 k 0.0450 0.0550 1.14 1.40 d 0.5750 0.6250 14.61 15.88 l 0.0200 0.0390 0.51 0.99 e 0.1600 0.1900 4.06 4.83 1 - - 6 8 f 0.0450 0.0550 1.14 1.40 2 - - 6 8 g 0.0900 0.1100 2.29 2.79 3 - - 0 5 h 0.0180 0.0290 0.46 0.74 notes : 1.controlling dimension : millimeters. 2.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.if there is any question with packing specification or packing method, please c ontact your local cystek sales office. material : ? lead : 42 alloy ; solder plating ? mold compound : epoxy resin family, flammability solid burning class:ul94v-0 important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of cystek. ? cystek reserves the right to make changes to its products without notice. ? cystek semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? cystek assumes no liability for any consequence of customer pr oduct design, infringement of pat ents, or application assistance .
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