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EA-057-0006 LOW NOISE 150mA LDO REGULATOR 544441#6(5,(6 OUTLINE 7KH#544441#6HULHV#DUH#YROWDJH#UHJXODWRU#,&V#ZLWK#KLJK#RXWSXW#YROWDJH#DFFXUDF\/#H[WUHPHO\#ORZ#VXSSO\#FXUUHQW/#ORZ 210UHVLVWDQFH/#DQG#KLJK#5LSSOH#5HMHFWLRQ#E\#&026#SURFHVV1#(DFK#RI#WKHVH#YROWDJH#UHJXODWRU#,&V#FRQVLVWV#RI#D#YROWDJH UHIHUHQFH#XQLW/#DQ#HUURU#DPSOLILHU/#UHVLVWRUV/#D#FXUUHQW#OLPLW#FLUFXLW/#DQG#D#FKLS#HQDEOH#FLUFXLW1 7KHVH#,&V#SHUIRUP#ZLWK#ORZ#GURSRXW#YROWDJH#DQG#D#FKLS#HQDEOH#IXQFWLRQ1#7KH#OLQH#WUDQVLHQW#UHVSRQVH#DQG#ORDG#WUDQ0 VLHQW#UHVSRQVH#RI#WKH#544441#6HULHV#DUH#H[FHOOHQW/#WKXV#WKHVH#,&V#DUH#YHU\#VXLWDEOH#IRU#WKH#SRZHU#VXSSO\#IRU#KDQG0KHOG FRPPXQLFDWLRQ#HTXLSPHQW1 7KH#RXWSXW#YROWDJH#RI#WKHVH#,&V#LV#IL[HG#ZLWK#KLJK#DFFXUDF\1#6LQFH#WKH#SDFNDJH#IRU#WKHVH#,&V#DUH#62705608#+0LQL0 PROG,#SDFNDJH#/#KLJK#GHQVLW\#PRXQWLQJ#RI#WKH#,&V#RQ#ERDUGV#LV#SRVVLEOH1 FEATURES * 8OWUD0/RZ#6XSSO\#&XUUHQW 11111111111111111111111111111111111111111111111111 7<31#68$ * 6WDQGE\#0RGH 1111111111111111111111111111111111111111111111111111111111111111111111 7<31#314$ * /RZ#'URSRXW#9ROWDJH 1111111111111111111111111111111111111111111111111111111111 7<31#3159+,287 433P$, * +LJK#5LSSOH#5HMHFWLRQ 111111111111111111111111111111111111111111111111111111111 7<31#:3G%+I 4N+], * /RZ#7HPSHUDWXUH0'ULIW#&RHIILFLHQW#RI#2XWSXW#9ROWDJH111111 7<31#"433SSP2& * ([FHOOHQW#/LQH#5HJXODWLRQ111111111111111111111111111111111111111111111111111 7<31#3138(29 * +LJK#2XWSXW#9ROWDJH#$FFXUDF\ 1111111111111111111111111111111111111111111 "513( * ([FHOOHQW#/LQH#7UDQVLHQW#5HVSRQVH#DQG#/RDG#7UDQVLHQW#5HVSRQVH * 6PDOO#3DFNDJH# 111111111111111111111111111111111111111111111111111111111111111111111 62705608+0LQL0PROG, * 2XWSXW#9ROWDJH111111111111111111111111111111111111111111111111111111111111111111111 6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#4189#WR 8139#LV#SRVVLEOH * %XLOW0LQ#FKLS#HQDEOH#FLUFXLW##+#5#W\SHV>#$=#DFWLYH#//#%=#DFWLYH#+, * 3LQRXW11111111111111111111111111111111111111111111111111111111111111111111111111111111111 6LPLODU#WR#WKH#/35<;3 APPLICATIONS * 3RZHU#VRXUFH#IRU#FHOOXODU#SKRQHV#VXFK#DV#*60/&'0$#DQG#YDULRXV#NLQG#RI#3&6V1 * 3RZHU#VRXUFH#IRU#HOHFWULFDO#DSSOLDQFHV#VXFK#DV#FDPHUDV/#9&5V#DQG#FDPFRUGHUV1 * 3RZHU#VRXUFH#IRU#EDWWHU\0SRZHUHG#HTXLSPHQW1 1 R1111N BLOCK DIAGRAM R1111NXX1A R1111NXX1B 1 5 1 VOUT VDD VOUT VDD Vref Vref Current Limit CE 5 GND 3 CE 2 Current Limit 3 GND 2 SELECTION GUIDE 7KH#RXWSXW#YROWDJH/#WKH#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#= 54444;;;4;0;; 3DUW#1XPEHU D E F G Code D E Contents 'HVLJQDWLRQ#RI#3DFNDJH#7\SH#= 1=62705608#+0LQL0PROG, 6HWWLQJ#2XWSXW#9ROWDJH#+9287,#= 6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#4189#WR#8139#LV#SRVVLEOH1 'HVLJQDWLRQ#RI#$FWLYH#7\SH#= F $#=/#DFWLYH#W\SH %#=+#DFWLYH#W\SH G 2 'HVLJQDWLRQ#RI#7DSLQJ#7\SH#= ([1#75/#7/#+UHIHU#WR#7DSLQJ#6SHFLILFDWLRQV#>75#W\SH#LV#WKH#VWDQGDUG#GLUHFWLRQ1, R1111N PIN CONFIGURATION SOT-23-5 5 4 VOUT NC (mark side) VDD GND CE 1 2 3 PIN DESCRIPTION Pin No. Symbol Description 4 9'' ,QSXW#3LQ 5 *1' *URXQG#3LQ 6 &( #RU#&( &KLS#(QDEOH#3LQ 7 1& 1R#&RQQHFWLRQ 8 9287 2XWSXW#SLQ ABSOLUTE MAXIMUM RATINGS Item Symbol Rating Unit ,QSXW#9ROWDJH 9,1 < 9 ,QSXW#9ROWDJH+ &( #RU#&(#3LQ, 9&( 0316#a#9,1.316 9 2XWSXW#9ROWDJH 9287 0316#a#9,1.316 9 3' 583 P: 7RSW 073#a#;8 & 7VWJ 088#a#458 & 3RZHU#'LVVLSDWLRQ 2SHUDWLQJ#7HPSHUDWXUH 5DQJH 6WRUDJH#7HPSHUDWXUH#5DQJH 3 R1111N ELECTRICAL CHARACTERISTICS * R1111NXX1A Symbol Item Conditions MIN. TYP. MAX. 9,1# #6HW#9287.49 9287 9287 4P$##,287##63P$ x31<; x4135 Unit 9 9287 2XWSXW#9ROWDJH ,287 2XWSXW#&XUUHQW 92872,287 /RDG#5HJXODWLRQ 9',) 'URSRXW#9ROWDJH ,66 6XSSO\#&XUUHQW 9,1# #6HW#9287.49 68 :3 $ 6XSSO\#&XUUHQW#+6WDQGE\, 9,1# #9&(# #6HW#9287.49 314 413 $ 3138 3153 (29 ,VWDQGE\ 928729,1 /LQH#5HJXODWLRQ 55 5LSSOH#5HMHFWLRQ 9,1 ,QSXW#9ROWDJH 5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387 92/7$*( 9,1# #6HW#9287.49 45 4P$##,287##;3P$ 6HW#9287.3189##9,1##;9 ,287# #63P$ I# #4N+]/#5LSSOH#3189S0S :3 9,1# #6HW#9287.49 G% ; 7HPSHUDWXUH#&RHIILFLHQW 073&##7RSW##;8& ,OLP 6KRUW#&XUUHQW#/LPLW 9287# #39 538 &( #3XOO0XS#5HVLVWDQFH 518 9&(+ &( #,QSXW#9ROWDJH#+ 9&(/ &( #,QSXW#9ROWDJH#/ 2XWSXW#1RLVH P9 92/7$*( ,287# #63P$ HQ 73 5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387 2XWSXW#9ROWDJH 928727 4 7RSW 58& %:# #43+]##433N+] SSP "433 2& 83 8 9 P$ 43 0 418 9,1 9 3 3158 9 63 9UPV R1111N * R1111NXX1B Symbol 7RSW 58& Item 9287 2XWSXW#9ROWDJH ,287 2XWSXW#&XUUHQW 92872,287 /RDG#5HJXODWLRQ 9',) 'URSRXW#9ROWDJH ,66 6XSSO\#&XUUHQW ,VWDQGE\ 6XSSO\#&XUUHQW#+6WDQGE\, 928729,1 /LQH#5HJXODWLRQ 55 5LSSOH#5HMHFWLRQ 9,1 ,QSXW#9ROWDJH Conditions MIN. 9287 9287 4P$##,287##63P$ x31<; x4135 9 92/7$*( 9,1# #6HW#9287.49 45 4P$##,287##;3P$ 73 P9 5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387 92/7$*( 9,1# #6HW#9287.49 9,1# #6HW#9287.49 9&( *1' 6HW#9287.3189##9,1##;9 ,287# #63P$ I# #4.+]/#5LSSOH#3189S0S 68 :3 $ 314 413 $ 3138 3153 (29 :3 9,1# #6HW#9287.49 G% ; 7HPSHUDWXUH#&RHIILFLHQW 073&##7RSW##;8& ,OLP 6KRUW#&XUUHQW#/LPLW 9287# #39 53' &(#3XOO0GRZQ#5HVLVWDQFH 518 9&(+ &(#,QSXW#9ROWDJH#+ 9&(/ &(#,QSXW#9ROWDJH#/ 2XWSXW#1RLVH Unit 5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387 ,287# #63P$ HQ MAX. 9,1# #6HW#9287.49 2XWSXW#9ROWDJH 928727 TYP. %:# #43+]##433N+] SSP "433 2& 83 8 9 P$ 43 0 418 9,1 9 3 3158 9 63 9UPV 5 R1111N * ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 7RSW# #58& Output Current IOUT (mA) Output Voltage Condition 418##9287##41: 41;##9287##813 MIN. 433 9,1#0#9287# #4139 483 7RSW# #58& Dropout Voltage Output Voltage VDIF (V) VOUT (V) Condition TYP. MAX. 3193 4173 3168 31:3 518##9287##51: 3157 3168 51;##9287##616 3153 3163 617##9287##813 314: 3159 418 318 419 317 41: 316 41;##9287##41< 513##9287##517 6 MIN. ,287# #433P$ R1111N OPERATION R1111NXX1A 1 R1111NXX1B 5 1 VOUT VDD 5 VOUT VDD R1 R1 Vref Vref Current Limit CE 3 R2 GND CE 2 3 Current Limit R2 GND 2 ,Q#WKHVH#,&V/#IOXFWXDWLRQ#RI#2XWSXW#9ROWDJH/#9287#LV#GHWHFWHG#E\#)HHG0EDFN#5HJLVWHUV#54/#55/#DQG#WKH#UHVXOW#LV FRPSDUHG#ZLWK#D#UHIHUHQFH#YROWDJH#E\#(UURU#$PSOLILHU/#VR#WKDW#D#FRQVWDQW#YROWDJH#LV#RXWSXW1#$#FXUUHQW#OLPLW#FLUFXLW#IRU 3URWHFWLRQ#DW#VKRUW#PRGH#DQG#D#FKLS#HQDEOH#FLUFXLW#DUH#LQFOXGHG1 7 R1111N TEST CIRCUITS CE CE 3 IN VDD 1 3 VOUT R1111Nxx1B Series 5 OUT IOUT VOUT VDD 1 IN R1111Nxx1B Series ISS 2.2F 2.2F 2 0.1F 2 GND GND 0.1F Fig.1 Standard test Circuit Fig.2 Supply Current Test Circuit CE CE 3 IN VDD 1 OUT 5 3 VOUT R1111Nxx1B Series 5 OUT IN VDD 1 VOUT R1111Nxx1B Series OUT 5 IOUT P.G 2 2 GND Fig.3 Ripple Rejection, Line Transient Response Test Circuit 8 1F GND I1 I2 Fig.4 Load Transient Response Test Circuit R1111N TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current R1111N181B R1111N301B Topt = 25C Topt = 25C 2.0 3.5 5.0V 3.0 3.8V 1.6 2.8V Output Voltage VOUT (V) Output Voltage VOUT (V) 1.8 1.4 1.2 2.3V 1.0 0.8 0.6 VIN = 2.1V 0.4 4.0V 2.5 2.0 3.5V 1.5 VIN = 3.3V 1.0 0.5 0.2 0.0 0 100 200 300 400 Output Current IOUT (mA) 0.0 500 0 100 R1111N401B 200 300 400 Output Current IOUT (mA) 500 R1111N501B Topt = 25C Topt = 25C 6.0 5.0 5.0 4.0 6.0V 3.5 Output Voltage (V) Output Voltage VOUT (V) 4.5 5.0V 3.0 2.5 4.5V 2.0 VIN = 4.3V 1.5 7.0V 4.0 6.0V 3.0 5.5V 2.0 VIN = 5.3V 1.0 1.0 0.5 0.0 0.0 0 200 300 400 Output Current IOUT (mA) 0 500 100 200 300 400 Output Current IOUT (mA) 500 Output Voltage vs. Input Voltage R1111N181B R1111N301B Topt = 25C Topt = 25C 3.1 2.0 IOUT=1mA 1.9 3.0 IOUT = 1mA Output Voltage VOUT (V) Output Voltage VOUT (V) 2) 100 1.8 1.7 1.6 1.5 1.4 30mA 2.9 2.8 2.7 30mA 2.6 1.3 50mA 1.2 1.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 2.5 2.0 50mA 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 9 R1111N R1111N401B R1111N501B Topt = 25C Topt = 25C 4.5 5.5 5.0 Output Voltage VOUT (V) Output Voltage VOUT (V) IOUT = 1mA 4.0 3.5 30mA 3.0 3) 3.0 4.0 3.5 30mA 3.0 50mA 2.5 2.0 IOUT = 1mA 4.5 50mA 4.0 5.0 6.0 Intput Voltage VIN (V) 7.0 2.5 2.0 8.0 4.0 5.0 6.0 Intput Voltage VIN (V) 7.0 8.0 Dropout Voltage vs. Output Current R1111N181B R1111N301B 1.20 0.40 0.35 Topt = 85C 0.80 0.60 25C 0.40 -40C Dropout Voltage VDIF (V) Dropout Voltage VDIF (V) 1.00 0.20 Topt = 85C 0.30 25C 0.25 0.20 -40C 0.15 0.10 0.05 0.00 0.00 0 50 100 Output Current IOUT (mA) 0 150 0.40 0.35 0.35 0.30 Topt = 85C 0.25 25C 0.20 0.15 -40C 0.10 50 100 Output Current IOUT (mA) 150 R1111N501B 0.40 0.05 Dropout Voltage VDIF (V) Dropout Voltage VDIF (V) R1111N401B 0.30 Topt = 85C 0.25 25C 0.20 0.15 -40C 0.10 0.05 0.00 0.00 0 10 3.0 50 100 Output Current IOUT (mA) 150 0 50 100 Output Current IOUT (mA) 150 R1111N 4) Output Voltage vs. Temperature R1111N181B 1.90 3.08 1.86 3.06 1.84 1.82 1.80 1.78 1.76 1.74 3.04 3.02 3.00 2.98 2.96 2.94 2.92 1.72 1.70 -50 VIN = 4.0V IOUT = 30mA 3.10 1.88 Output Voltage VOUT (V) Output Voltage VOUT (V) R1111N301B VIN = 2.8V IOUT = 30mA -25 0 25 50 Temperature Topt 75 2.90 -50 100 -25 R1111N401B VIN = 6.0V IOUT = 30mA 4.08 5.08 4.06 5.06 Output Voltage VOUT (V) Output Voltage VOUT (V) 100 5.10 4.04 4.02 4.00 3.98 3.96 3.94 5.04 5.02 5.00 4.98 4.96 4.94 4.92 3.92 -25 0 25 50 Temperature Topt 75 4.90 -50 100 -25 0 25 50 Temperature Topt 75 100 Supply Current vs. Input Voltage R1111N181B R1111N301B Topt = 25C Topt = 25C 60 60 50 50 Supply Current I ISS Supply Current I ISS 5) 75 R1111N501B VIN = 5.0V IOUT = 30mA 4.10 3.90 -50 0 25 50 Temperature Topt 40 30 20 30 20 10 10 0 1.0 40 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 0 1.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 11 R1111N R1111N401B R1111N501B Topt = 25C 60 60 50 50 Supply Current ISS Supply Current ISS Topt = 25C 40 30 20 10 0 1.0 6) 40 30 20 10 2.0 3.0 4.0 5.0 6.0 Intput Voltage VIN (V) 7.0 0 1.0 8.0 2.0 3.0 4.0 5.0 6.0 Intput Voltage VIN (V) 8.0 Supply Current vs. Temperature R1111N181B R1111N301B VIN = 4.0V 50 50 45 45 Supply Current ISS (A) Supply Current ISS (A) VIN = 2.8V 40 35 30 25 20 -50 40 35 30 25 0 50 Temperature Topt (C) 20 -50 100 R1111N401B 50 45 45 Supply Current ISS (A) Supply Current ISS (A) 100 VIN = 6.0V 50 40 35 30 25 20 -50 0 50 Temperature Topt (C) R1111N501B VIN = 5.0V 12 7.0 40 35 30 25 0 50 Temperature Topt (C) 100 20 -50 0 50 Temperature Topt (C) 100 R1111N 7) Dropout Voltage vs. Set Output Voltage R1111Nxx xx1B xx Topt = 25 1.0 Dropout Voltage VDIF (V) 0.9 IOUT = 150mA IOUT = 100mA IOUT = 50mA IOUT = 30mA IOUT = 10mA 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1.0 5.0 Ripple Rejection vs. Frequency R1111N181B R1111N181B VIN = 2.8VDC + 0.5Vp-p COUT = tantal 2.2F 80 80 70 70 Ripple Rejection RR (dB) Ripple Rejection RR (dB) VIN = 2.8VDC + 0.5Vp-p COUT = tantal 1.0F 60 50 40 IOUT = 1mA 30 IOUT = 30mA 20 IOUT = 50mA 10 60 50 40 IOUT= 1mA 30 IOUT = 30mA 20 IOUT = 50mA 10 0 0 0.1 1 10 Frequuency f (kHz) 0.1 100 1 VIN = 4VDC + 0.5Vp-p COUT = tantal 2.2F 80 70 70 Ripple Rejection RR (dB) 80 60 50 40 30 IOUT = 30mA 20 IOUT = 50mA 10 100 R1121N301B VIN = 4VDC + 0.5Vp-p COUT = tantal 1.0F IOUT = 1mA 10 Frequuency f (kHz) R1121N301B Ripple Rejection RR (dB) 8) 2.0 3.0 4.0 Set Output Voltage Vreg (V) 60 50 40 IOUT = 1mA 30 IOUT = 30mA 20 IOUT = 50mA 10 0 0 0.1 1 10 Frequuency f (kHz) 100 0.1 1 10 100 Frequuency f (kHz) 13 R1111N R1111N401B R1111N401B VIN = 5.0VDC + 0.5Vp-p COUT = tantal 2.2F 80 80 70 70 Ripple Rejection RR (dB) Ripple Rejection RR (dB) VIN = 5.0VDC + 0.5Vp-p COUT = tantal 1.0F 60 50 IOUT= 1mA 40 30 IOUT = 30mA 20 IOUT = 50mA 10 50 40 IOUT = 1mA 30 IOUT = 30mA 20 IOUT = 50mA 10 0 0 0.1 9) 60 1 10 Frequeney f (kHz) 0.1 100 1 100 Frequeney f (kHz) Ripple Rejection vs. Input Voltage (DC bias) R1111N301B R1111N301B IOUT = 10mA COUT = 2.2F 80 80 70 70 Ripple Rejection RR(dB) Ripple Rejection RR (dB) IOUT = 1mA COUT = 2.2F 60 50 40 f = 400Hz 30 20 f = 1kHz 10 f = 10kHz 0 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 R1111N301B IOUT = 50mA COUT = 2.2F 80 f = 400Hz 70 Ripple Rejection RR(dB) 60 50 40 f = 400Hz 30 20 f = 1kHz 10 f = 10kHz 0 3.1 f = 1kHz 60 50 f = 10kHz 40 30 20 10 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 14 10 3.5 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 R1111N 10) Line Transient Response R1111N301B IOUT=30mA tr=tf=5 s COUT=Tantalum 1.0F Output Voltage VOUT (V) 3.3 5 Input Voltage 4 3.2 3 3.1 Output Voltage 3.0 2 2.9 1 Input Voltage VIN (V) 6 3.4 0 2.8 0 20 40 60 Time t (s) 80 100 120 R1111N301B IOUT=30mA tr=tf=5 s COUT=Tantalum 2.2F Output Voltage VOUT (V) 3.3 5 Input Voltage 4 3.2 3 3.1 Output Voltage 3.0 2 2.9 1 Input Voltage VIN (V) 6 3.4 0 2.8 0 20 40 60 Time t (s) 80 100 120 R1111N301B IOUT=30mA tr=tf=5 s COUT=Tantalum 4.7F Output Voltage VOUT (V) 3.3 5 Input Voltage 4 3.2 3 3.1 Output Voltage 3.0 2 Input Voltage VIN (V) 6 3.4 1 2.9 0 2.8 0 20 40 60 Time t (s) 80 100 120 15 R1111N 11) Load Transient Response R1111N301B VIN=4V CIN=Tantalum 1F COUT=Tantalum 1.0F Output Voltage VOUT (V) 3.3 100 Output Current 50 3.2 0 3.1 Output Voltage 3.0 -50 2.9 -100 Output Current IOUT (mA) 150 3.4 -150 2.8 0 2 4 6 10 12 Time t (s) 8 14 16 18 20 R1111N301B VIN=4V CIN=Tantalum 1F COUT=Tantalum 2.2F Output Voltage VOUT (V) 3.3 100 Output Current 50 3.2 0 3.1 Output Voltage 3.0 -50 2.9 -100 Output Current IOUT (mA) 150 3.4 -150 2.8 0 2 4 6 8 10 12 Time t (s) 14 16 18 20 R1111N301B VIN=4V CIN=Tantalum 1F COUT=Tantalum 4.7F Output Voltage VOUT (V) 3.3 100 Output Current 50 3.2 3.1 0 Output Voltage 3.0 -50 2.9 -100 -150 2.8 0 16 2 4 6 8 10 12 Time t (s) 14 16 18 20 Output Current IOUT (mA) 150 3.4 R1111N TECHNICAL NOTES :KHQ#XVLQJ#WKHVH#,&V/#FRQVLGHU#WKH#IROORZLQJ#SRLQWV= ,Q#WKHVH#,&V/#SKDVH#FRPSHQVDWLRQ#LV#PDGH#IRU#VHFXULQJ#VWDEOH#RSHUDWLRQ#HYHQ#LI#WKH#ORDG#FXUUHQW#LV#YDULHG1#)RU WKLV#SXUSRVH/#EH#VXUH#WR#XVH#D#FDSDFLWRU#&287#ZLWK#JRRG#IUHTXHQF\#FKDUDFWHULVWLFV#DQG#(65#+(TXLYDOHQW#6HULHV#5H0 VLVWDQFH,#RI#ZKLFK#LV#LQ#WKH#UDQJH#GHVFULEHG#DV#IROORZV= 3 CE VOUT 5 R1111N301B 1 VIN VIN 2 GND Ceramic Capacitor S.A. ESR Spectrum Analyzer IOUT Ceramic Capacitor 1F Measuring Circuit for white noise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eramic 1.0F Ceramic 2.2F 100.0 10.0 10.0 ESR () ESR () 100.0 1.0 1.0 0.1 0 50 100 Output Current IOUT (mA) 150 0.1 0 50 100 Output Current IOUT (mA) 150 17 R1111N * 0DNH#9''#DQG#*1'#OLQH#VXIILFLHQW1#:KHQ#WKH#LPSHGDQFH#RI#WKHVH#LV#KLJK/#WKH#QRLVH#PLJKW#EH#SLFNHG#XS#RU#QRW#ZRUN FRUUHFWO\1 * &RQQHFW#WKH#FDSDFLWRU#ZLWK#D#FDSDFLWDQFH#RI#4)#RU#PRUH#EHWZHHQ#9''#DQG#*1'#DV#FORVH#DV#SRVVLEOH1 * 6HW#H[WHUQDO#FRPSRQHQWV/#HVSHFLDOO\#2XWSXW#&DSDFLWRU/#DV#FORVH#DV#SRVVLEOH#WR#WKH#,&V#DQG#PDNH#ZLULQJ#VKRUWHVW1 TYPICAL APPLICATION CE CE IN Cap. 18 VDD OUT R1111NXX1A VOUT GND Cap. IN Cap. VDD OUT R1111Nxx1B VOUT GND Cap.