njm7 900 - 1 - ver. 2014 - 07 - 31 1 . co mmon 2. in 3. out 3 - terminal negative voltage regulator general d escription package ou tline t he njm7900 series of mono lithic 3 - termi nal negative voltage r egulators are constructed using the new j rc planar epitaxial process. t hese negative regulators are i ntended as complements to t he popular njm7800 series of positive voltage regulators, and they are ava il able in the same voltage options from C 5 to C 24v. the njm 7900 series employ internal current limiti ng, safe area protecti on, and thermal shutdown, making the virtually indestructible. feat ures ? inter nal shor t circuit current limit ? inter nal thermal overload protection ? e xce llen t ri pple rejection ? guarantee'd 1.5a output cu rrent ? output capacitor recommend ed electrolytic capacitor ? pack age out line to - 220f ? bipolar technology equivalent ci rcuit njm 7900fa ( note) the radiation fin is connected to pin 2.
njm7 900 - 2 - ver. 2014 - 07 - 31 absolute maximum ratings (t a =25 o c ) parameter symbol maximum ratings unit i npu t volt age v in 7905 to 7909 7912 to 7915 7918 to 7924 - 35 - 35 - 40 v pow er di ssipation p d 16(t c 70 o c ) w o perating junction temperature t j - 40 to +150 o c o perating temperature r ange t opr - 40 to +85 o c stora ge temperature r ange t stg - 40 to +150 o c thermal characteristics thermal resist ance j unction - to - ambient temperature ja 60 o c /w j unction - to - case jc 5 electrical characteristics (t j ? 25 o c, c in ? 2.2 f, c o ? 1.0 f) m easurement is to be conduced in pulse testing parameter symbol t est co ndition m in. typ. max. unit njm7 905fa out put voltage v o v in ? - 10v , i o ? 0.5 a - 4.8 - 5.0 - 5.2 v li ne regulation v o - v in v in ? - 7 to - 25v , i o ? 0.5a - 5 50 mv load r egulation v o - i o v in ? - 10v , i o ? 0. 005 to 1.5a - 50 80 mv quie sc ent cu rrent i q v in ? - 10v , i o ? 0ma - 2.2 5.0 ma aver age temperature c oe ffici en t of output volt age v o / t v i n ? - 10v , i o ? 5ma - - 0.4 - mv/ o c ri pple rejection rr v in ? - 10v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 10v , i o ? 0.5a , bw ? v njm7 906fa out put voltage v o v in ? - 11v, i o ? 0.5 a - 5.75 - 6.0 - 6.25 v li ne regulation v o - v in v in ? - 8 to - 25v , i o ? 0.5a - 5 60 mv load r egulation v o - i o v in ? - 11v, i o ? 0. 005 to 1.5a - 50 90 mv quie sc ent cu rrent i q v in ? - 11v, i o ? 0ma - 2.2 5.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 11v, i o ? 5ma - - 0.5 - mv/ o c ri pple rejection rr v in ? - 11v, i o ? 0.5a, e in ? 2v p - p , f ? out put noise volt age v no v in ? - 11v, i o ? 0.5a , bw ? v
njm7 900 - 3 - ver. 2014 - 07 - 31 electrical characteristics (t j ? 25 o c, c in ? 2.2 f, c o ? 1.0 f) m easurement is to be conducted in p ulse testing. parameter symbol t est co ndition m in. typ. max. unit njm7 908fa out put voltage v o v in ? - 14v , i o ? 0.5 a - 7.7 - 8.0 - 8.3 v li ne regulation v o - v in v in ? - 10.5 to - 25v, i o ? 1.5a - 8 80 mv load r egulation v o - i o v in ? - 14v , i o ? 0. 005 to 0.5a - 60 110 mv quie sc ent cu rrent i q v in ? - 14v , i o ? 0ma - 2.2 5.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 14v , i o ? 5ma - - 0.7 - mv/ o c ri pple rejection rr v in ? - 14v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 14v , i o ? 0.5a , bw ? v njm7 909fa out put voltage v o v in ? - 15v , i o ? 0.5 a - 8.65 - 9.0 - 9.35 v li ne regulation v o - v in v in ? - 11.5 to - 25v , i o ? 0.5a - 8 90 mv load r egulation v o - i o v in ? - 15v , i o ? 0. 005 to 1.5a - 60 120 mv qui e sc ent cu rrent i q v in ? - 15v , i o ? 0ma - 2.2 5.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 15v , i o ? 5ma - - 0.8 - mv/ o c ri pple rejection rr v in ? - 15v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 15v , i o ? 0.5a , b w ? v njm7 912fa out put voltage v o v in ? - 19v , i o ? 0.5 a - 11.5 - 12.0 - 12.5 v li ne regulation v o - v in v in ? - 14.5 to C 30v, i o ? 0.5a - 3 120 mv load r egulation v o - i o v in ? - 19v , i o ? 0. 005 to 1.5a - 60 150 mv quie sc ent cu rrent i q v in ? - 19v , i o ? 0ma - 2.7 6.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 19v , i o ? 5ma - - 0.4 - mv/ o c ri pple rejection rr v in ? - 19v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 19v , i o ? 0.5a , bw ? v njm7 915fa out put voltage v o v in ? - 23v , i o ? 0.5 a - 14.4 - 15.0 - 15.6 v li ne regulation v o - v in v in ? - 17.5 to C 30v, i o ? 0.5a - 3 150 mv load r egulation v o - i o v in ? - 23v , i o ? 0. 005 to 1.5a - 60 180 mv quie sc ent cu rrent i q v in ? - 23v , i o ? 0ma - 2.7 6.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 23v , i o ? 5ma - - 0.5 - mv/ o c ri pple rejection rr v in ? - 23v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 23v , i o ? 0.5a , bw ? v
njm7 900 - 4 - ver. 2014 - 07 - 31 electrical characteristics (t j ? 25 o c, c in ? 2.2 f, c o ? 1.0 f) m easurement is to be conducted in pulse testing. parameter symbol t est co ndition m in. typ. max. unit njm7 918fa out put voltage v o v in ? - 27v , i o ? 0.5 a - 17.3 - 18.0 - 18.7 v li ne regulati on v o - v in v in ? - 21 to C 33v , i o ? 0.5a - 4 180 mv load r egulation v o - i o v in ? - 27v , i o ? 0. 005 to 1.5a - 60 210 mv quie sc ent cu rrent i q v in ? - 27v , i o ? 0ma - 2.7 6.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 27v , i o ? 5ma - - 0.6 - mv/ o c ri pple rejection rr v in ? - 27v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 27v , i o ? 0.5a , bw ? v njm7 924fa out put voltage v o v in ? - 33v , i o ? 0.5 a - 23.0 - 24.0 - 25.0 v li ne regulation v o - v in v in ? - 27 to C 38v , i o ? 0.5a - 5 240 mv load r egulation v o - i o v in ? - 33v , i o ? 0. 005 to 1.5a - 60 270 mv quie sc ent cu rrent i q v in ? - 33v , i o ? 0ma - 2.7 6.0 ma aver age temperature c oe ffici en t of output volt age v o / t v in ? - 33v , i o ? 5ma - - 0.8 - mv/ o c ri pple rejectio n rr v in ? - 33v , i o ? 0.5a , e in ? 2v p - p , f ? out put noise volt age v no v in ? - 33v , i o ? 0.5a , bw ? v
njm7 900 - 5 - ver. 2014 - 07 - 31 t est ci rcuit 1. output volt age, line regulation, load regulation, quie scen t cu rren t, aver age temperature coefficient of output volt age , output noise volt age power di ssipation vs. ambient temperat ure rr= 20log 10 ? ? ? ? ? ? o in e e [db ] 2 . ri pple rejection i q = i in - i o
njm7 900 - 6 - ver. 2014 - 07 - 31 typical characteristics
njm7 900 - 7 - ver. 2014 - 07 - 31 typical characteristics [caution] the specificati ons on this databook are only given for informati on , wit hout any guarantee as r egards either mistakes or omissions . the app licati on circuits in this dat abook are de scri bed only to show r epresentative usages of the pr oduc t and not intended for the guar antee or permission o f any ri ght including the i ndustrial rig hts. 0 . 0 1 0 . 1 1 1 0 1 0 0 0 . 0 0 1 0 . 0 1 0 . 1 1 1 0 1 0 0 1 0 0 0 e s r [ ? ] o u t p u t c u r r e n t i o [ m a ] v i n = o u t p u t v o l t a g e o f t h e c o n d i t i o n s d e s c r i b e d i n t h e e l e c t r i c a l c h a r a c t e r i s t i c s t a = 2 5 ! , c i n = 2 . 2 u f , c o = 1 . 0 u f ( c e r a m i c c a p a c i t o r ) r e c o m m e n d e d c a p a c i t o r i s e l e c t r o l y t i c c a p a c i t o r s t a b l e r e g i o n n j m 7 9 0 0 e quivalen t series resister v s. output cu rrent
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