r1114x/r1124n series 150ma ldo no.ek-099-091101 cmos ldo regulator the r1114x/r1124n series are cmos-based ldo regulators featuring 150ma output. high ripple rejection and excellent load transient response of the series make the product ideally suited for use in power source for hand-held communication equipment. the polarity of the ce pin can be selected. the auto-discharge function is also available (see selection guide). two different pin layout as r1114n and r1124n are available. ceramic capacitors can be used. features ? supply current (i ss ) typ. 75 a (v in =set v out +1v) ? standby current (i standby ) typ. 0.1 a (same as above, in standby) ? dropout voltage (v dif ) typ. 0.22v (i out =150ma, v out =2.8v) ? ripple rejection (rr) typ. 70db (f=1khz), typ. 60db (f=10khz) ? input voltage range (v in ) 2.0v to 6.0v ? output voltage range (v out ) 1.5v to 4.0v (internally fixed) ? output voltage accuracy 2% ? temp. coeff. of output voltage typ. 100ppm/ c ? line regulation typ. 0.02%/v ? fold-back protection circuit current limit typ. 40ma ? auto-discharge function d version ? packages son1612-6, sc-82ab, sot-23-5 (r1124n is sot-23-5 only) ? ceramic capacitors can be used c in =1 f or more c out =1 f or more (1.5v < = < 2.5v), c out =0.47 f or more (v out > = 2.5v) block diagrams r1114xxx1a r1124nxx1a ( ce pin "l" active) v out gnd v dd ce vref current limit + - r1114xxx1b r1124nxx1b (ce pin "h" active) v out gnd v dd ce vref current limit + - r1114xxx1d r1124nxx1d (with auto-discharge function) v out gnd v dd ce vref current limit + - selection guides package quantity per reel part no. son1612-6 4,000 pcs r1114d . xx . 1 . ? -tr-f sc-82ab 3,000 pcs r1114q . xx . 1 . ? -tr-f r1114n . xx . 1 . ? -tr-f sot-23-5 3,000 pcs r1124n . xx . 1 . ? -tr-f . xx . : specify the output voltage within the range 1.5v ( . 15 . ) to 4.0v ( . 40 . ) in 0.1v steps. . ? : select the polarity of the ce pin from ( . a . ) "l" active, ( . b . ) "h" active or ( . d . ) "h" active with auto-discharge function. packages (top view) t ypical characteristic son1612-6 sc-82ab sot-23-5 13 54 2 1 2 3 6 5 4 1 2 4 3 r1114n r1124n 1 v dd 2 gnd 3 v out 4 nc 5 gnd 6 ce or ce 1 ce or ce 2 gnd 3 v out 4 v dd 1 v dd 2 gnd 3 ce or ce 4 nc 5 v out 1v out 2 gnd 3v dd 4 ce or ce 5 nc r1114x281x r1124n281x dropout voltage vs. output current applications ? power source for hand-held communication equipment, cameras, and vcrs ? power source for home appliances ? power source for battery-powered equipment 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 output current i out (ma) dropout voltage v dif (v) 50 25 0 150 125 100 75 85 c 25 c -40 c
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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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