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no. ea-045-0006 627 05608# 9)0 # 67(3 0 83 # '& 2 '& &219(57(5 51 8 5. 4 $ 2 4 % 2 5 $ # 6(5,(6 $33/,&$7,21 # 0$18$/
sot-23-5 vfm step-up dc/dc converter 51 8 5. 4 $ 2 4 % 2 5 $ # 6(5,(6 1 outline 7kh # 51 8 5. 4 $ 2 4 % 2 5 $ # 6hulhv # duh # 9)0 #+ &krsshu ,# 6whs 0 xs # '& 2 '& # frqyhuwhu # ,&v # zlwk # xowud # orz # vxsso\ # fxu 0 uhqw # dqg # kljk # rxwsxw # yrowdjh # dffxudf\ # e\ # &026 # surfhvv 1 (dfk # ri # wkh # 51 8 5. 4 $ 2 4 % # frqvlvwv # ri # dq # rvfloodwru /# d # 9)0 # frqwuro # flufxlw /# d # gulyhu # wudqvlvwru # wr # kdyh # orz # 21 uhvlvwdqfh #+ /[ # vzlwfk ,/# d # uhihuhqfh # yrowdjh # xqlw /# d # kljk # vshhg # frpsdudwru /# uhvlvwruv # iru # yrowdjh # ghwhfwlrq /# dq # /[ # vzlwfk surwhfwlrq # flufxlw # dqg # dq # lqwhuqdo # fkls # hqdeoh # flufxlw 1## $ # orz # ulssoh /# kljk # hiilflhqf\ # vwhs 0 xs # '& 2 '& # frqyhuwhu # fdq # eh frpsrvhg # ri # wklv # 51 8 5. 4 $ 2 4 % # zlwk # rqo\ # wkuhh # h[whuqdo # frpsrqhqwv =# dq # lqgxfwru /# d # glrgh # dqg # d # fdsdflwru 1 7kh # 51 8 5. 5 $ # xvhv # wkh # vdph # fkls # dv # zkdw # lv # hpsor\hg # lq # wkh # 51 8 5. 4 $ 24 % # ,& # dqg # kdv # d # gulyh # slq #+ (;7 ,# iru dq # h[whuqdo # wudqvlvwru # lqvwhdg # ri # dq # /[ # slq 1# # $v # lw # lv # srvvleoh # wr # ordg # d # odujh # rxwsxw # fxuuhqw # zlwk # d # srzhu # wudqvlvwru zklfk # kdv # d # orz # vdwxudwlrq # yrowdjh /# 51 8 5. 5 $ # ,& # lv # uhfrpphqgdeoh # wr # xvhuv # zkr # qhhg # dq # rxwsxw # fxuuhqw # dv # odujh # dv ehwzhhq # vhyhudo # whqv # p$ # dqg # vhyhudo # kxqguhgv # p$ 1 8vlqj # wkh # fkls # hqdeoh # ixqfwlrq /# lw # lv # srvvleoh # wr # pdnh # wkh # vxsso\ # fxuuhqw # rq # vwdqge\ # plqlpl]hg 1 6lqfh # wkh # sdfndjh # iru # wkhvh # ,&v # duh # 627 05608#+ 0lql 0 prog ,/# kljk # ghqvlw\ # prxqwlqj # ri # wkh # ,&v # rq # erdug # lv # srvvleoh 1 features 6pdoo # 1xpehu # ri # ([whuqdo # &rpsrqhqwv 111111111111111111111111111 2qo\ # dq # lqgxfwru /# d # glrgh # dqg # d # fdsdflwru + 51 8 5. 4 $ 2 4 % , 8owud # /rz # ,qsxw # &xuuhqw # rq # 6wdqge\ 11111111111111111111111111111111 7<3 1#3 ?$ +ljk # 2xwsxw # 9r o w d j h # $ffxudf\ 111111111111111111111111111111111111111111 ? 518( /rz # 5lssoh # dqg # /rz # 1rlvh /rz # 6wduw 0 xs # 9r o w d j h 1111111111111111111111111111111111111111111111111111111111 0$; 1#31< 9 +ljk # (iilflhqf\ 1111111111111111111111111111111111111111111111111111111111111111111 7<3 1#;3( ,qfoxglqj # d # 'ulyhu # 7udqvlvwru # zlwk # /rz # 21 # 5hvlvwdqfh 7z r # .lqgv # ri # 'xw\ # 5dwlr 1111111111111111111111111111111111111111111111111111 ::(#+ 4 $ /# 5 $ ,2#88(#+ 4 % , 2xwsxw # 9r o w d j h 11111111111111111111111111111111111111111111111111111111111111111111 6whszlvh # vhwwlqj # zlwk # d # vwhs # ri #314 9 # lq # wkh # udqjh # ri #513 9 # wr 818 9 # lv # srvvleoh #+ uhihu # wr # 6hohfwlrq # *xlgh , /rz # 7hpshudwxuh 0 'uliw # &rhiilflhqw # ri # 2xwsxw # 9r o w d j h 11111 7<3 1# ? 433 ssp 2 ?& 6pdoo # 3dfndjhv 1111111111111111111111111111111111111111111111111111111111111111111 627 05608#+ 0lql 0 0rog , applications 3rzhu # vrxufh # iru # edwwhu\ 0 srzhuhg # htxlsphqw 1 3rzhu # vrxufh # iru # fdphudv /# fdpfrughuv /# 9&5v /## dqg # kdqg 0 khog # frppxqlfdwlrq # htxlsphqw 1 3rzhu # vrxufh # iru # wkrvh # dssoldqfhv # zklfk # uhtxluh # kljkhu # fhoo # yrowdjh # wkdq # wkdw # ri # edwwhulhv 1
rn5rk 1a/ 1b/ 2a 2 block diagram + 2 5 1 vr e f v out gnd ce - 5 4 v lx limiter buffer vfm control osc 100khz chip enable ext* lx* *) l x pin: only for rn5rk 4 $ 2 4 % selection guide 7kh # rxwsxw # yrowdjh /# wkh # gulyhu # w\sh /# wkh # gxw\ # f\foh # dqg # wkh # wdslqj # w\sh # iru # wkh # ,&v # fdq # eh # vhohfwhg # dw # wkh # xvhu * v # uh 0 txhvw 1 7kh # vhohfwlrq # fdq # eh # pdgh # e\ # ghvljqdwlqj # wkh # sduw # qxpehu # dv # vkrzq # ehorz = 51 8 5. # 0 # ? 3duw # 1xpehu --- - def g code contents d 6hwwlqj # 2xwsxw # 9r o w d j h #+ 9 287 ,#= 6whszlvh # vhwwlqj # zlwk # d # vwhs # ri #314 9 # lq # wkh # udqjh # ri #513 9 # wr #818 9 # lv # srvvleoh 1 e 'hvljqdwlrq # ri # 'ulyhu 4=# ,qwhuqdo # /[ # 7u 1# 'ulyhu 5=# ([whuqdo # 7u 1# 'ulyhu f 'hvljqdwlrq # ri # 'xw\ # &\foh $ =#::( % =#88( g 'hvljqdwlrq # ri # 7dslqj # w\sh ([ 1# 75 /# 7/ #+ uhihu # wr # 7dslqj # 6shflilfdwlrqv /# 75 # w\sh # lv # suhvfulehg # dv # d # vwdqgdug 1,
rn5rk 1a/ 1b/ 2a 3 pin configuration sot-23-5 12 3 54 (mark side) pin description pin no. symbol pin description 4 &( &kls # (qdeoh # 3lq 5 9 287 6whs 0 xs # 2xwsxw # 0rqlwrulqj # 3lq /# 3rzhu # 6xsso\ #+ iru # ghylfh # lwvhoi , 6 1& 1r # &rqqhfwlrq 7 *1' *urxqg # 3lq 8 / ; 6zlwfklqj # 3lq #+ 1fk # 2shq # 'udlq , pin no. symbol pin description 4 &( &kls # (qdeoh # 3lq 5 9 287 6whs 0 xs # 2xwsxw # 0rqlwrulqj # 3lq /# 3rzhu # 6xsso\ #+ iru # ghylfh # lwvhoi , 6 1& 1r # &rqqhfwlrq 7 *1' *urxqg # 3lq 8 (;7 ([whuqdo # 7u 1# 'ulyh # 3lq #+ &026 # 2xwsxw ,
rn5rk 1a/ 1b/ 2a 4 absolute maximum ratings symbol item rating unit 9 287 6whs 0 xs # 2xwsxw # 3lq # 9r o w d j h < 9 9 /; / ; # 3lq # 9r o w d j h < 9 9 (;7 (;7 # 3lq # 9r o w d j h 2 316# wr # 9 287 # .316 9 9 &( &( # 3lq # 9r o w d j h 2 316# wr # 9 287 # .316 9 , /; /[ # 3lq # 2xwsxw # &xuuhqw 833 p$ , (;7 (;7 # 3lq # 2xwsxw # &xuuhqw ? 63 p$ 3 ' 3rzhu # 'lvvlsdwlrq 583 p: 7rsw 2shudwlqj # 7hpshudwxuh # 5dqjh 2 73# wr #.;8 ?& 7v w j 6 w r u d j h # 7hpshudwxuh # 5dqjh 2 88# wr #.458 ?& absolute maximum ratings $evroxwh # 0d[lpxp # udwlqjv # duh # wkuhvkrog # olplw ## ydoxhv # wkdw # pxvw # qrw # eh # h[fhhghg # hyhq # iru # dq # lqvwdqw # xqghu # dq\ # frq 0 glwlrqv 1# 0ruhryhu /# vxfk # ydoxhv # iru # dq\ # wzr # lwhpv # pxvw # qrw # eh # uhdfkhg # vlpxowdqhrxvo\ 1# 2shudwlrq # deryh # wkhvh # devr 0 oxwh # pd[lpxp # udwlqjv # pd\ # fdxvh # ghjudgdwlrq # ru # shupdqhqw # gdpdjh # wr # wkh # ghylfh 1# 7khvh # duh # vwuhvv # udwlqjv # rqo\ # dqg gr # qrw # qhfhvvdulo\ # lpso\ # ixqfwlrqdo # rshudwlrq # ehorz # wkhvh # olplwv 1
rn5rk 1a/ 1b/ 2a 5 electrical characteristics rn5rk 1a/ 1b 7r s w 58 ?& symbol item conditions min. typ. max. unit 9 287 2xwsxw # 9r o w d j h 9 ,1 vhw # 9 287 319/# , 287 4 p$ 31<:8 41358 9 9 ,1 ,qsxw # 9r o w d j h ; 9 d 9 287 2 d 7r s w 2xwsxw # 9r o w d j h # 7hpshudwxuh &rhiilflhqw 073 ?& 7r s w ;8 ?& ? 433 ssp 2 ?& 9vwduw 6wduw 0 8s # 9r o w d j h 9 ,1 3 9 ? 5 9 -4 31:8 31< 9 d 9vwduw 2 d 7r s w 6wduw 0 8s # 9r o w d j h # 7h p s h u d 0 wxuh # &rhiilflhqw 073 ?& 7r s w ;8 ?& 9 ,1 3 9 ? 5 9 - 4 0419 p9 2 ?& 9krog +rog 0 rq # 9r o w d j h #+ 4 $ , 9 ,1 5 9 ? 3 9 - 4 31: 9 9krog +rog 0 rq # 9r o w d j h #+ 4 % , 9 ,1 5 9 ? 3 9 - 4 31< 9 , '' 5 6xsso\ # &xuuhqw 5 9 287 9 &( vhw # 9 287 .318 9 58 ?$ ,vwdqe\ 6wdqge\ # &xuuhqw 9 287 9 9 /# 9 &( 3 9 318 ?$ , /;ohdn /[ # /hdndjh # &xuuhqw 9 287 9 /; ; 9 4 ?$ i rvf 0d[lpxp # 2vfloodwru # )uh 0 txhqf\ 9 287 9 &( vhw # 9 287 31<9 ;3 433 453 n+] d i rvf 2 d topt )uhtxhqf\ # 7hpshudwxuh # &r 0 hiilflhqw 073 ?& 7r s w ;8 ?& 3174 n+] 2 ?& 'xw\ 2vfloodwru # 'xw\ # &\foh #+ 4 $ , 9 287 9 &( vhw # 9 287 31<9/# 21 + 9/ ; # / # vlgh , :3 :: ;8 ( 'xw\ 2vfloodwru # 'xw\ # &\foh #+ 4 % , 9 287 9 &( vhw # 9 287 31<9/# 21 + 9/ ; # / # vlgh , 7: 88 96 ( 9 o[olp 9/[ # 9r o w d j h # /lplw 9 287 9 &( 41<8 9 /# /[ # 6zlwfk 21 317 319 31; 9 9 &(+ &( # + # ,qsxw # 9r o w d j h 9 287 9 &( vhw # 9 287 31<9/ -xgjphqw # lv # pdgh # e\ # wkh # /[ zdyhirup 31< 9 9 &(/ &( # / # ,qsxw # 9r o w d j h 9 287 9 &( vhw # 9 287 31<9/ -xgjphqw # lv # pdgh # e\ # wkh # /[ zdyhirup 316 9 , &(+ &( # + # ,qsxw # &xuuhqw 9 287 913 9 /# 9 &( 913 9 0318 3 318 ?$ , &(/ &( # / # ,qsxw # &xuuhqw 9 287 913 9 /# 9 &( 313 9 0318 3 318 ?$ , '' 4 6xsso\ # &xuuhqw 4# -5 513 9 9 287 517 9 58 83 ?$ , '' 4 6xsso\ # &xuuhqw 4# -5 518 9 9 287 51< 9 63 88 ?$
rn5rk 1a/ 1b/ 2a 6 symbol item conditions min. typ. max. unit , '' 4 6xsso\ # &xuuhqw 4# -5 613 9 9 287 617 9 68 93 ?$ , '' 4 6xsso\ # &xuuhqw 4# -5 618 9 9 287 61< 9 73 98 ?$ , '' 4 6xsso\ # &xuuhqw 4#- 5 713 9 9 287 717 9 78 :8 ?$ , '' 4 6xsso\ # &xuuhqw 4#- 5 718 9 9 287 71< 9 83 ;3 ?$ , '' 4 6xsso\ # &xuuhqw 4#- 5 813 9 9 287 818 9 93 <3 ?$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 513 9 9 287 517 9 /# 9/ ; 317 9 ;3 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 518 9 9 287 51< 9 /# 9/ ; 317 9 433 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 613 9 9 287 617 9 /# 9/ ; 317 9 453 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 618 9 9 287 61< 9 /# 9/ ; 317 9 473 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 713 9 9 287 717 9 /# 9/ ; 317 9 493 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 718 9 9 287 71< 9 /# 9/ ; 317 9 4;3 p$ ,/ ; /[ # 6zlwfklqj # &xuuhqw 813 9 9 287 818 9 /# 9/ ; 317 9 533 p$ *1) condition: an output load resistor r l is connected between v out and gnd. note that the resistor r l has a resistance which makes an output current 1ma after step-up operation. *2) the supply current 1 (i dd1 ) for ic itself is measured when the internal oscillator works continuously. if the oscillator works intermittently, the supply current becomes smaller than the value which is written on the above table. measurement condition: v out =v ce =setting output voltage 0.96
rn5rk 1a/ 1b/ 2a 7 rn5rk 2a 7r s w 58 ?& symbol item conditions min. typ. max. unit 9 287 2xwsxw # 9r o w d j h 9 ,1 vhw # 9 287 319/# , 287 4 p$ 31<:8 41358 9 9 ,1 ,qsxw # 9r o w d j h ; 9 d v out 2 d topt output voltage temperature coefficient 073 ?& 7r s w ;8 ?& ? 433 ssp 2 ?& 9vwduw 6wduw 0 8s # 9r o w d j h 9 ,1 3 9 ? 5 9 -4 31: 31; 9 d vstart/ d topt start-up voltage temperature coefficient -40c topt 85c v in =0v ? 2v* 1 0419 p9 2 ?& , '' 5 6xsso\ # &xuuhqw 5 9 287 9 &( vhw # 9 287 .318 9 58 ?$ ,vwdqe\ 6wdqge\ # &xuuhqw 9 287 9 9 /# 9 &( 3 9 318 ?$ ) rvf 0d[lpxp # 2vfloodwru # )uh 0 txhqf\ 9 287 9 &( vhw # 9 287 31<9 ;3 433 453 n+] d i rvf 2 d topt )uhtxhqf\ # 7hpshudwxuh # &r 0 hiilflhqw 073 ?& 7r s w ;8 ?& 3174 n+] 2 ?& 'xw\ 2vfloodwru # 'xw\ # &\foh 9 287 9 &( vhw # 9 287 31<9/ 21 #+ 9 (;7 # + # vlgh , :3 :: ;8 ( 9 &(+ &( # + # ,qsxw # 9r o w d j h 9 287 9 &( vhw # 9 287 31<9/ -xgjphqw # lv # pdgh # e\ # wkh # (;7 zdyhirup 31< 9 9 &(/ &( # / # ,qsxw # 9r o w d j h 9 287 9 &( vhw # 9 287 31<9 -xgjphqw # lv # pdgh # e\ # wkh # (;7 zdyhirup 316 9 , &(+ &( # + # ,qsxw # &xuuhqw 9 287 913 9 /# 9 &( 913 9 0318 3 318 ?$ , &(/ &( # / # ,qsxw # &xuuhqw 9 287 913 9 /# 9 &( 313 9 0318 3 318 ?$ , '' 4 6xsso\ # &xuuhqw 4 513 9 9 287 51< 9 /# (;7 # qr # ordg - 5 53 73 ?$ , '' 4 6xsso\ # &xuuhqw 4 613 9 9 287 61< 9 /# (;7 # qr # ordg - 5 58 83 ?$ , '' 4 6xsso\ # &xuuhqw 4 713 9 9 287 71< 9 /# (;7 # qr # ordg - 5 63 93 ?$ , '' 4 6xsso\ # &xuuhqw 4 813 9 9 287 818 9 /# (;7 # qr # ordg - 5 68 :3 ?$ , (;7+ (;7 # + # 2xwsxw # 9r o w d j h 513 9 9 287 51< 9 / 9 (;7 9 287 0317 9 0413 p$ , (;7+ (;7 # + # 2xwsxw # 9r o w d j h 613 9 9 287 61< 9 / 9 (;7 9 287 0317 9 0418 p$
rn5rk 1a/ 1b/ 2a 8 symbol item conditions min. typ. max. unit , (;7+ (;7 # + # 2xwsxw # 9r o w d j h 713 9 9 287 818 9 / 9 (;7 9 287 0317 9 0513 p$ , (;7+ (;7 # / # 2xwsxw # 9r o w d j h 513 9 9 287 51< 9 /# 9 (;7 317 9 413 p$ , (;7+ (;7 # / # 2xwsxw # 9r o w d j h 613 9 9 287 61< 9 /# 9 (;7 317 9 418 p$ , (;7+ (;7 # / # 2xwsxw # 9r o w d j h 713 9 9 287 818 9 /# 9 (;7 317 9 513 p$ *1) condition: an output load resistor r l is connected between v out and gnd. note that the resistor r l has a resistance which makes an output current 1ma after step-up operation. *2) the supply current 1 (i dd1 ) for ic itself is measured when the internal oscillator works continuously. if the oscillator works intermittently, the supply current becomes smaller than the value which is written on the above table. measurement condition: v out =v ce =setting output voltage 0.96
rn5rk 1a/ 1b/ 2a 9 test circuits lx sbd c l r l gnd v out l v in ce v c l 1k w a lx gnd v out ce test circuit 1 test circuit 2 c l osilloscope lx gnd v out ce test circuit 3 *) when v lx lim and i lx are measured, the 5 w resistor is used. otherwise 1k w is used. &rpsrqhqwv # ,qgxfwru + / , =#433 ?+ /#553 ?+ #+ 6xplgd # (ohfwulf # &r 1/# /wg ># &' 087, 'lrgh + 6%' ,=# 0$ :54#+ 0dwvxvklwd # (ohfwurqlfv # &rusrudwlrq ># 6fkrwwn\ # 7\ s h , &dsdflwru + & / , =#7: ?) #+ 7dqwdoxp # 7\ s h , 8vlqj # wkhvh # whvw # flufxlwv # fkdudfwhulvwlfv # gdwd # kdv # ehhq # rewdlqhg # dv # vkrzq # rq # wkh # iroorzlqj # sdjhv 1 7h v w # &lufxlw #4 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+4,0+:, 7h v w # &lufxlw #5 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+<,0+44, 7h v w # &lufxlw #6 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+;,/#+45,0+49,
rn5rk 1a/ 1b/ 2a 10 sbd c l rb cb l v in tr v ext gnd v out ce c l a ext gnd v out ce test circuit 1 test circuit 2 c l ext gnd v out ce osilloscope c l osilloscope ext 100 w gnd v out ce test circuit 3 test circuit 4 &rpsrqhqwv # ,qgxfwru + / , =#5: ?+ #+ 6xplgd # (ohfwulf # &r 1/# /wg ># &' 0437, 'lrgh + 6%' ,=# 5% 444 & #+ 52+0 # &r 1/# /wg ># 6fkrwwn\ # 7\ s h , &dsdflwru + & / , =#7: ?) 5+ 7dqwdoxph # 7\ s h , 7udqvlvwru + 7u ,=#5 6' 495; * %dvh # 5hvlvwru + 5e , =#633 w %dvh # &dsdflwru #+ &e ,=#3134 ?) 8vlqj # wkhvh # whvw # flufxlwv # fkdudfwhulvwlfv # gdwd # kdv # ehhq # rewdlqhg # dv # vkrzq # rq # wkh # iroorzlqj # sdjhv 1 7h v w # &lufxlw #4 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+4,0+8, 7h v w # &lufxlw #5 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+;,0+43, 7h v w # &lufxlw #6 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+44,0+47, 7h v w # &lufxlw #7 =# 7<3,&$/ # &+$5$&7(5,67,&6 #+9,/#+:,
rn5rk 1a/ 1b/ 2a 11 typical characteristics rn5rk 1a/b 1) output voltage vs. output current (topt=25c) rn5rk301a rn5rk301a 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 output current i out (ma) output voltage v out (v) 0 204060 160 140 80 100 120 l=100 h 1.0v 1.3v 1.5v 2.0v v in =0.9v 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 output current i out (ma) output voltage v out (v) 0 204060 160 140 80 100 120 l=220 h 1.0v 1.5v 2.0v 1.3v v in =0.9v rn5rk301b rn5rk301b 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 output current i out (ma) output voltage v out (v) 0 102030 50 40 l=100 h 1.5v 2.0v 1.3v v in =1.0v 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 output current i out (ma) output voltage v out (v) 0 102030 50 40 l=220 h 1.5v 2.0v 1.3v v in =1.0v rn5rk501a rn5rk501a 6 5 4 3 2 1 0 output current i out (ma) output voltage v out (v) 0 50 100 150 200 l=100 h 1.5v 2.0v 3.0v 4.0v v in =0.9v 6 5 4 3 2 1 0 output current i out (ma) output voltage v out (v) 0 50 100 150 200 l=220 h 1.5v 2.0v 3.0v 4.0v v in =0.9v
rn5rk 1a/ 1b/ 2a 12 rn5rk501b rn5rk501b 6 5 4 3 2 1 0 output current i out (ma) output voltage v out (v) 0 50 100 150 200 l=100 h 2.0v 2.5v 3.0v 4.0v v in =1.5v 6 5 4 3 2 1 0 output current i out (ma) output voltage v out (v) 0 50 100 150 200 l=220 h 2.0v 2.5v 3.0v 4.0v v in =1.5v 2) efficiency vs. output current (topt=25?) rn5rk301a rn5rk301a 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 204060 160 140 80 100 120 l=100 h 1.0v 2.0v v in =0.9v 1.3v 1.5v 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 204060 160 140 80 100 120 l=220 h 1.0v 2.0v v in =0.9v 1.3v 1.5v rn5rk301b rn5rk301b 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 102030 50 40 l=100 h 1.5v 2.0v 1.3v v in =1.0v 100 90 80 70 60 50 output current i out (ma) efficiency h (%) 0 102030 50 40 l=220 h 2.0v 1.5v 1.3v v in =1.0v
rn5rk 1a/ 1b/ 2a 13 rn5rk501a rn5rk501a 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 50 100 150 200 l=100 h 1.5v 2.0v 3.0v 4.0v v in =0.9v 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 50 100 150 200 l=220 h 1.5v 2.0v 3.0v 4.0v v in =0.9v rn5rk501b rn5rk501b 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 50 100 150 200 l=100 h 2.0v 2.5v v in =1.5v 4.0v 3.0v 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 50 100 150 200 l=220 h 2.0v 2.5v v in =1.5v 4.0v 3.0v 3) ripple voltage vs. output current (topt=25c) rn5rk301a rn5rk301a 140 120 100 80 60 40 20 0 output current i out (ma) ripple voltage vr(mvp-p) 0 204060 160 140 80 100 120 l=100 h 1.5v 2.0v v in =0.9v 1.0v 1.3v 160 140 120 100 80 60 40 20 0 output current i out (ma) ripple voltage vr(mvp-p) 040 20 80 60 100 160 140 120 l=220 h 2.0v v in =0.9v 1.0v 1.3v 1.5v
rn5rk 1a/ 1b/ 2a 14 rn5rk301b rn5rk301b 45 40 35 30 25 20 15 10 5 0 output current i out (ma) ripple voltage vr(mvp-p) 0 102030 50 40 l=100 h 2.0v v in =1.0v 1.3v 1.5v 45 40 35 30 25 20 15 10 5 0 output current i out (ma) ripple voltage vr(mvp-p) 0 102030 50 40 l=220 h 2.0v 1.3v 1.0v 1.5v rn5rk501a rn5rk501a 200 150 100 50 0 output current i out (ma) ripple voltage vr(mvp-p) 0 50 100 150 200 l=100 h 2.0v 4.0v 3.0v 1.5v v in =0.9v 200 150 100 50 0 output current i out (ma) ripple voltage vr(mvp-p) 0 50 100 150 200 l=220 h 2.0v 4.0v 3.0v 1.5v v in =0.9v rn5rk501b rn5rk501b 140 120 100 80 60 40 20 0 output current i out (ma) ripple voltage vr(mvp-p) 0 50 100 150 200 l=100 h 4.0v 2.0v 3.0v 2.5v v in =1.5v 140 120 100 80 60 40 20 0 output current i out (ma) ripple voltage vr(mvp-p) 0 50 100 150 200 l=220 h 4.0v 3.0v 2.5v v in =1.5v
rn5rk 1a/ 1b/ 2a 15 4) start-up/hold-on voltage vs. output current (topt=25c) rn5rk301a rn5rk501a 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 015 10 5 l=100 h vstart vhold 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 015 10 5 l=100 h vhold vstart rn5rk301b rn5rk501b 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 015 10 5 l=100 h vstart vhold 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 015 10 5 l=100 h vstart vhold 5) output voltage vs. temperature rn5rk301a rn5rk501a 3.10 3.05 3.00 2.95 2.90 temperature topt( ) output voltage v out (v) -50 -25 100 75 02550 v in =1.5v,l=100 h i out =0 m a i out =10 m a i out =30 m a 5.10 5.05 5.00 4.95 4.90 temperature topt( ) output voltage v out (v) -50 -25 100 75 02550 v in =3.0v,l=100 h i out =30 m a i out =0 m a i out =10 m a
rn5rk 1a/ 1b/ 2a 16 6) start-up voltage vs. temperature rn5rk501a rn5rk501b 1 0.8 0.6 0.4 0 0.2 temperature topt( ) start-up voltage vstart(v) -50 -25 100 75 02550 l=100 h 1 0.8 0.6 0.4 0 0.2 temperature topt( ) start-up voltage vstart(v) -50 -25 100 75 02550 l=100 h 7) hold-on voltage vs. temperature rn5rk501a rn5rk501b 1 0.8 0.6 0.4 0 0.2 temperature topt( ) hold-on voltage vhold(v) -50 -25 100 75 02550 l=100 h 1 0.8 0.6 0.4 0 0.2 temperature topt( ) hold-on voltage vhold(v) -50 -25 100 75 02550 l=100 h 8) lx switching current vs. temperature rn5rk301a rn5rk501a 500 400 300 200 0 100 temperature topt( ) lxswitching current ilx(ma) -50 -25 100 75 02550 500 400 300 200 0 100 temperature topt( ) lxswitching current ilx(ma) -50 -25 100 75 02550
rn5rk 1a/ 1b/ 2a 17 9) supply current 1 vs. temperature rn5rk301a rn5rk501a 50 40 30 20 10 temperature topt( ) supply current1 i dd1 ( a) -50 -25 100 75 02550 80 70 60 50 30 40 temperature topt( ) supply current1 i dd1 ( a) -50 -25 100 75 02550 10) supply current 2 vs. temperature 11) standby current 3 vs. temperature rn5rk301a rn5rk301a 5 4 3 2 0 1 temperature topt( ) supply current2 i dd2 ( a) -50 -25 100 75 02550 1 0.8 0.6 0.4 0 0.2 temperature topt( ) supply current3 istandby( a) -50 -25 100 75 02550 12) oscillator duty cycle vs. temperature rn5rk301a rn5rk301b 85 80 75 70 temperature topt( ) oscullator duty cycle maxduty(%) -50 -25 100 75 02550 60 58 56 54 50 52 temperature topt( ) oscullator duty cycle maxduty(%) -50 -25 100 75 02550
rn5rk 1a/ 1b/ 2a 18 13) ce h input voltage vs. temperature 14) ce l input voltage vs. temperature rn5rk301a rn5rk301a 1 0.8 0.6 0.4 0 0.2 temperature topt( ) ce h input voltage v ceh (v) -50 -25 100 75 02550 1 0.8 0.6 0.4 0 0.2 temperature topt( ) ce l input voltage v cel (v) -50 -25 100 75 02550 15) maximum oscillator frequency vs. temperature 16) vlx voltage limit vs. temperature rn5rk301a rn5rk301a 120 110 100 90 80 70 60 50 temperature topt( ) maximum oscillator frequency f osc (khz) -50 -25 100 75 02550 0.8 0.7 0.6 0.5 0.4 temperature topt( ) v lx voltage limit v lx (v) -50 -25 100 75 02550
rn5rk 1a/ 1b/ 2a 19 rn5rk 2a 1) output voltage vs. output current (topt=25c) rn5rk302a rn5rk502a 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 output current i out (ma) output voltage v out (v) 0 200 400 600 800 l=27 h 2.0v 1.0v 1.5v 1.3v v in =0.9v 6.0 5.0 4.0 3.0 2.0 1.0 0.0 output current i out (ma) output voltage v out (v) 0 200 400 600 800 l=27 h 1.5v 2.0v 3.0v v in =1.0v 2) efficiency vs. output current (topt=25?) rn5rk302a rn5rk502a 100 90 80 70 60 50 40 output current i out (ma) efficiency h (%) 0 200 400 600 800 l=27 h 1.0v 2.0v v in =0.9v 1.3v 1.5v 100 90 80 70 60 50 30 40 output current i out (ma) efficiency h (%) 0 200 400 600 800 l=27 h 3.0v 1.5v 2.0v v in =1.0v 3) ripple voltage vs. output current (topt=25c) rn5rk302a rn5rk502a 250 200 150 100 50 0 output current i out (ma) ripple voltage vr(mvp-p) 0 200 400 600 800 l=27 h 2.0v 1.5v 1.3v 1.0v v in =0.9v 300 250 200 150 100 50 0 output current i out (ma) ripple voltage vr(mvp-p) 0 200 400 600 800 l=27 h 3.0v 2.0v 1.5v v in =1.0v
rn5rk 1a/ 1b/ 2a 20 4) start-up/hold-on voltage vs. output current (topt=25c) rn5rk302a rn5rk502a 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 0 200 150 100 50 l=27 h v hold v start 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.4 0.2 0.6 0.0 output current i out (ma) start-up/hold-on voltage vstart/vhold(v) 0 200 150 100 50 l=27 h vstart,vhold 5) output voltage vs. temperature rn5rk302a rn5rk502a 3.10 3.00 2.90 3.05 2.95 2.85 2.80 temperature topt( ) output voltage v out (v) -50 -25 100 75 02550 v in =1.2v,l=27 h i out =0 m a i out =50 m a i out =100 m a 5.10 5.00 5.05 4.95 4.90 temperature topt( ) output voltage v out (v) -50 -25 100 75 02550 v in =3.0v,l=27 h i out =0 m a i out =50 m a i out =100 m a 6) ext ?h? output current vs. temperature rn5rk302a rn5rk502a 10 9 8 7 6 5 4 0 3 2 1 temperature topt( ) ext h output current i exth (ma) -50 -25 100 75 02550 10 9 8 7 6 5 4 0 3 2 1 temperature topt( ) ext h output current i exth (ma) -50 -25 100 75 02550
rn5rk 1a/ 1b/ 2a 21 7) ext l output current vs. temperature rn5rk302a rn5rk502a 20 18 16 14 12 10 8 0 6 4 2 temperature topt( ) ext l output current i extl (ma) -50 -25 100 75 02550 20 18 16 14 12 10 8 0 6 4 2 temperature topt( ) ext l output current i extl (ma) -50 -25 100 75 02550 8) supply current 1 vs. temperature rn5rk302a rn5rk502a 50 40 30 20 0 10 temperature topt( ) supply current1 i dd1 ( a) -50 -25 100 75 02550 50 40 30 20 0 10 temperature topt( ) supply current1 i dd1 ( a) -50 -25 100 75 02550 9) supply current 2 vs. temperature 10) standby current vs. temperature rn5rk302a rn5rk302a 5 4 3 2 0 1 temperature topt( ) supply current2 i dd2 ( a) -50 -25 100 75 02550 1 0.8 0.6 0.4 0 0.2 temperature topt( ) supply current3 istandby( a) -50 -25 100 75 02550
rn5rk 1a/ 1b/ 2a 22 11) oscillator duty cycle vs. temperature 12) maximum oscillator frequency vs. temperature rn5rk302a rn5rk302a 85 80 75 70 temperature topt( ) oscullator duty cycle maxduty(%) -50 -25 100 75 02550 120 110 100 90 80 70 60 50 temperature topt( ) maximum oscillator frequency f osc (khz) -50 -25 100 75 02550 13) ce ?h? input voltage vs. temperature 14) ce ?l? input voltage vs. temperature rn5rk302a rn5rk302a 1 0.8 0.6 0.4 0 0.2 temperature topt( ) ce h input voltage v ceh (v) -50 -25 100 75 02550 1 0.8 0.6 0.4 0 0.2 temperature topt( ) ce l input voltage v cel (v) -50 -25 100 75 02550

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