RN5RF35BA-TR RICOH Co.,Ltd., RN5RF35BA-TR Datasheet

Page 1

NO. EA-043-0006 ...

Page 2

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—$ 6WDQGE\#0RGH 1111111111111111111111111111111111111111111111111111111111111117<3 1#314—$ +LJK#$FFXUDF\#2XWSXW#9ROWDJH 111111111111111111111111111111111111“513( +LJK#5LSSOH#5HMHFWLRQ 111111111111111111111111111111111111111111111111117<3 1#93G%2I 4N+] /RZ#'URSRXW#9ROWDJH 1111111111111111111111111111111111111111111111111117<3 ...

Page 3

RN5RF BLOCK DIAGRAM RN5RF Vref Current Limit 5 CE SELECTION GUIDE 7KH#RXWSXW#YROWDJH/#WKH#FKLS#HQDEOH#DFWLYH#W\SH/#WKH#SDFNLQJ#W\SH#DQG#WKH#WDSLQJ#W\SH#IRU#WKH#,&V#FDQ#EH#VHOHFWHG#DW WKH#XVHU*V#UHTXHVW1 7KH#VHOHFWLRQ#FDQ#EH#PDGH#E\#GHVLJQDWLQJ#WKH#SDUW#QXPEHU#DV#VKRZQ#EHORZ= 5185)# ² Code 6HWWLQJ#2XWSXW#9ROWDJH#+9 D 6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#41;9#WR#9139#LV#SRVVLEOH1 'HVLJQDWLRQ#RI#&KLS#HQDEOH#$FWLYH#7\SH E $=#´/µ#DFWLYH#W\SH %=#´+µ#DFWLYH#W\SH 'HVLJQDWLRQ#RI#3DFNLQJ#W\SH F $=#7DSLQJ &=#$QWLVWDWLF#EDJ#RQO\#IRU#VDPSOHV 'HVLJQDWLRQ#RI#7DSLQJ#W\SH G ([1#75/#7/#+UHIHU#WR#7DSLQJ#6SHFLILFDWLRQV/#75#W\SH#LV#SUHVFULEHG#DV#D#VWDQGDUG1, 2 ...

Page 4

PIN CONFIGURATION PIN DESCRIPTION Pin No ABSOLUTE MAXIMUM RATINGS Symbol 9 ,QSXW#9ROWDJH ,1 9 ,QSXW#9ROWDJH#IRU#&(2&(#3LQ &( 9 (;7#2XWSXW#9ROWDJH (;7 , (;7#2XWSXW#&XUUHQW (;7 3 3RZHU#'LVVLSDWLRQ ' 7RSW 2SHUDWLQJ#7HPSHUDWXUH#5DQJH 7VWJ 6WRUDJH#7HPSHUDWXUH#5DQJH $EVROXWH#0D[LPXP#UDWLQJV#DUH#WKUHVKROG#OLPLW#YDOXHV#WKDW#PXVW#QRW#EH#H[FHHGHG#HYHQ#IRU#DQ#LQVWDQW#XQGHU#DQ\#FRQ0 GLWLRQV1#0RUHRYHU/#VXFK#YDOXHV#IRU#DQ\#WZR#LWHPV#PXVW#QRW#EH#UHDFKHG#VLPXOWDQHRXVO\1#2SHUDWLRQ#DERYH#WKHVH#DEVR0 OXWH#PD[LPXP#UDWLQJV#PD\#FDXVH#GHJUDGDWLRQ#RU#SHUPDQHQW#GDPDJH#WR#WKH#GHYLFH1#7KHVH#DUH#VWUHVV#UDWLQJV#RQO\#DQG GR#QRW#QHFHVVDULO\#LPSO\#IXQFWLRQDO#RSHUDWLRQ#EHORZ#WKHVH#OLPLWV1 SOT-23-5 5 ...

Page 5

RN5RF ELECTRICAL CHARACTERISTICS Symbol Item 9 2XWSXW#9ROWDJH 287 , 2XWSXW#&XUUHQW 287 , (;7#&XUUHQW (; /RDG#5HJXODWLRQ 287 287 9 'URSRXW#9ROWDJH ',) , 6XSSO\#&XUUHQW 66 ,VWDQGE\ 6WDQGE\#&XUUHQW , (;7#/HDNDJH#&XUUHQW (;7OHDN /LQH#5HJXODWLRQ 287 ,1 5 5LSSOH#5HMHFWLRQ 5 ...

Page 6

Symbol Item 9 2XWSXW#9ROWDJH 287 , 2XWSXW#&XUUHQW 287 , (;7#&XUUHQW (; /RDG#5HJXODWLRQ 287 287 9 'URSRXW#9ROWDJH ',) , 6XSSO\#&XUUHQW 66 ,VWDQGE\ 6WDQGE\#&XUUHQW , (;7#/HDNDJH#&XUUHQW (;7OHDN 9 2 /LQH#5HJXODWLRQ V 287 ,1 5 5LSSOH#5HMHFWLRQ 5 9 ,QSXW#9ROWDJH ,1 ...

Page 7

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—)#RI#PRUH1##7KHUH#PD\#EH#WKH#FDVH#WKH#ORRS#RVFLOODWLRQ#WDNHV#SODFH#ZKHQ#D#WDQWDOXP#FDSDFLWRU & #ZLWK#D#ODUJH#(65#LV#XVHG/#VR#VHOHFW#WKH#& PNP Tr 4 RN5RF Vref CE Current Limit 5 LV#GHWHFWHG#E\#)HHG0EDFN#5HVLVWRUV/#5 ...

Page 8

TEST CIRCUITS PNP EXT RN5RF Basic Test Circuit PNP EXT RN5RF A P Test Circuit for Ripple Rejection and Line Transient Response V ...

Page 9

RN5RF TYPICAL CHARACTERISTICS 1) Output Voltage vs. Input Voltage (Topt=25°C) RN5RF30A 3.20 3.00 2.80 2.60 2.40 2.20 2. Input Voltage V 2) Output Voltage vs. Output Current (Topt=25°C) RN5RF30A 3.10 3.05 3.00 2.95 2.90 2.85 2.80 ...

Page 10

Output Voltage vs. Temperature RN5RF30A V IN 3.10 3.05 3.00 2.95 2.90 -50 - Temperature Topt Supply Current vs. Input Voltage (Topt=25°C) RN5RF30A 100 ...

Page 11

RN5RF 7) Ripple Rejection vs. Frequency (Topt=25°C) RN5RF30A V =4Vdc+0.5Vp-p 0.01 0.1 Frequency (kHz) 8) Line Transient Response (Topt=25°C) RN5RF30A I OUT 6 Input Voltage Output Voltage ...

Page 12

TYPICAL APPLICATION IN + Cap. PNP Tr EXT RN5RF OUT CE GND RN5RF OUT + Cap. 11 ...