r1180x series low supply current 150ma ldo no.ek-110-091101 cmos ldo regulator the r1180x series are cmos-based ldo regulators featuring 150ma output. r1180x?s typical ultra low supply current of 1 a makes it ideal for use in power supplies systems with the sleep mode on. the version that reduced supply current to the lowest possib le level by eliminating the ce pin is also available. ceramic capacitors can be used. features ? supply current (i ss ) typ. 1 a (v in =set v out +1v) ? standby current (i standby ) typ. 0.1 a (same as above, ce="l") ? dropout voltage (v dif ) typ. 0.25v (i out =150ma, v out =2.8v) ? input voltage range (v in ) 1.7v to 6.0v ? output voltage range (v out )1.2v to 3.6v (internally fixed) ? output voltage accuracy 2% ? temp. coeff. of output voltage typ. 100ppm/ c ? line regulationtyp. 0.05%/v ? fold-back protection circuit current limit typ. 40ma ? packages son1612-6, sc-82ab, sot-23-5 ? ceramic capacitors can be used. 0.1 f or more block diagrams r1180xxx1b r1180xxx1c (ce pin "h" active) (without ce pin) v dd v out gnd vref current limit ce v dd v out gnd vref current limit selection guides package quantity per reel part no. son1612-6 4,000 pcs r1180d . xx . 1 . ? -tr-f sc-82ab 3,000 pcs r1180q . xx . 1 . ? -tr-f sot-23-5 3,000 pcs r1180n . xx . 1 . ? -tr-f . xx . : specify the output voltage within the range 1.2v ( . 12 . ) to 3.6v ( . 36 . ) in 0.1v steps. . ? : select the polarity of the ce pin from ( . b . ) "h" active or ( . c . ) without ce pin. packages (top view) t ypical characteristic son1612-6 sc-82ab sot-23-5 1 2 3 6 5 4 1 2 4 3 1 3 5 4 2 1 v dd 2 gnd 3 v out 4 nc 5 gnd 6 ce or nc 1 ce or nc 2 gnd 3 v out 4 v dd 1 v dd 2 gnd 3 ce or nc 4 nc 5 v out r1180x281x dropout voltage vs. output current 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0 25 50 75 100 125 150 output current i out (ma) dropout voltage v dif (v) 85 c 25 c -40 c applications ? power source for hand-held communication equipment, cameras, and vcrs ? power source for home appliances ? power source for battery-powered equipment
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- 5 % & m f d u s p o j d % f w j d f t $ p n q b o z ricoh presented with the japan management quality award for 1999 . ricoh continually strives to promote customer satisfaction, and shares the achievements of its management quality improvement program with people and society. ricoh awarded iso 14001 certification. the ricoh group was awarded iso 14001 certification, which is an international standard for environmental management systems, at both its domestic and overseas production facilities. our current aim is to obtain iso 14001 certification for all of our business offices. ricoh completed the organization of the lead-free production for all of our products. after apr. 1, 2006, we will ship out the lead free products only. thus, all products that will be shipped from now on comply with rohs directive.
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