LOW NOISE 150mA LDO REGULATOR NO. EA-060-0204 OUTLINE ! " " " #"$% & " & & "" " !& "! " " $ & ! " " &""$ " " " " " " " " & " & & "!!" "'!"$ & & $ " ( & )*+"!, ( " !""& " $ FEATURES * - . " $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $//0 * " "$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $/$0 * .1 2 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $/$32+4//!0)2, * 5#" $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $6/7+&4(58, * .! 1 &&&"&2 $$$$$$ $//!9 * % "." "$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $/$/*:92 * 50 2 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $/: * ! ; ( $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ )*+"!, * 2 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ " &/$2" "&$*2 *$/2 $ * 7"" + <0= >.?7= >5?, * 7"@ ( " $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ "$)/!0 * ;"$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ ! AA * ! !!" $ APPLICATIONS * ; & " B10; " & $ * ; & ! " ! 2 " ! $ * ; & '!"$ 1 R1122N BLOCK DIAGRAM R1122Nxx1A 3 R1122Nxx1B 3 1 VOUT VDD VOUT _ _ + + Vref Vref GND Current Limit CE 1 VDD 2 4 GND Current Limit CE 4 2 SELECTION GUIDE (" " "& " C ' $ " "! " " "! "= ; ! Code Contents "2 +2,= " &/$2" "&$*2*$/2 $ 1 " "&0= 0= >.? 7= >5? 2 1 " "& "= % $.+ & "& " < " "$, R1122N PIN CONFIGURATION SOT-23-5 5 4 NC CE (mark side) VOUT GND VDD 1 2 3 PIN DESCRIPTION Pin No. Symbol Description 2 " B1 B ";" ) 2 ";" D % %" ;" * """ ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit E$/ 2 2 "2 2 "2 +% %;", /$)F2G/$) 2 2 2 /$)F2G/$) 2 " // !0 ; ; 1 " */ !H "! " D/F6* ! " **F* 3 R1122N ELECTRICAL CHARACTERISTICS * R1122Nxx1A Symbol 4* Item 2 2 " 29 . " Min. Typ. Max. 242G2 2 2 !0)/!0 x/$36 x$/ 242G2 H"242/$2 */ 242G2 2 !0 !06/!0 Unit D/ !2 & %.%0.500%-;-2. 2 1 2 " 242G2 // E/ 0 "+ ", 24242G2 /$ $/ 0 /$/* /$/ :92 " 292 ." " #" 2 "2 0B% 2G/$*22I2 4)/!0 &4(58/$*2 6/ 242G2 $/ 2 4)/!0 ! &&" D/6* ! ".! 24/2 ; " $* 2 "2 >5? 2 "2 >.? 29 " 4 Conditions 7H4/58F//(58 7 I$/ ! // 9 )/ *$/ 2 !0 /$/ $* 2 2 /$// /$* 2 )/ 2 ! R1122N * R1122Nxx1B Symbol 4* Item 2 2 " 29 . " 2 1 2 " " "+ ", 292 ." " #" 2 "2 Conditions Min. 2 2 !0)/!0 x/$36 x$/ 242G2 H"242/$2 */ 242G2 2 D/ !2 & %.%0.500%-;-2. 0B% 242G2 242G2 24B1 2G/$*22I2 4)/!0 &4(58/$*2 // E/ 0 /$ $/ 0 /$/* /$/ :92 6/ 242G2 $/ ! &&" D/6* ! ".! 24/2 %;" " $* 2 %"2 >5? 2 %"2 >.? Unit !0 !06/!0 4)/!0 " Max. 242G2 2 29 Typ. 7H4/58F//(58 7 I$/ ! // 9 )/ *$/ 2 !0 /$/ $* 2 2 /$// /$* 2 )/ 2 ! 5 R1122N * ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 4* Dropout Voltage Output Voltage VDIF (V) VOUT (V) Conditions Typ. Max. $*2$I /$) /$** $E2$6 /$6 /$DE /$* /$)* $D2$E /$/ /$3 $62*$/ /$3 /$I $32$) 4//!0 OPERATION R1122xx1A 3 R1122xx1B 1 VDD 3 VOUT 1 VDD VOUT _ _ + + R1 Vref Vref Current Limit CE 4 R1 R2 2 GND Current Limit CE 4 R2 GND 2 " & "& 2 & ( " " ! & " !& " " $ 0 "! & " ! " " "$ 6 R1122N TEST CIRCUITS CE CE 4 IN VDD 3 4 VOUT R1122Nxx1B Series IN OUT VDD 3 1 IOUT VOUT R1122Nxx1B Series ISS 2 2 GND 2.2F GND 2.2F Fig.1 Standard test Circuit Fig.2 Supply Current Test Circuit CE CE 4 4 IN VDD 3 VOUT R1122Nxx1B Series OUT 1 IN VDD 3 VOUT R1122Nxx1B Series OUT 1 IOUT IOUT P.G OUT 1 2 2 GND Fig.3 Ripple Rejection, Line Transient Response 2.2F GND I1 I2 Fig.4 Load Transient Response Test Circuit Test Circuit 7 R1122N TECHNICAL NOTES H" " " &"" = ; !" " " !" " ! & " ""& " $@ & '" "%+%' " ",$ += H" " ! "" " & !" " "!" $7 & ! " !"" " ";7$, !!" < BD/J**AI$)+ , BD//)DJ*))*AI$)+ , BD//)DJ*DE*AI$)+ , ;7. (2 "B1" &&"$& ! " ("" " "! $"" "&$@ ! "2 "B1" $ " !"" "! ( " $ TYPICAL APPLICATION CE CE IN VDD R1122Nxx1A Series + VOUT OUT + GND Cap. Cap. IN VDD R1122Nxx1B Series + Cap. +% " !"" , < !$@+ " "& !$**$/2, !D$E@+ " "& !$*$*2, " < !$@ 8 VOUT OUT + GND Cap. R1122N TYPICAL CHARACTERISTICS Output Voltage vs. Output Current R1122N151B R1122N201B 2.5 1.8 Output Voltage VOUT(V) Output Voltage VOUT(V) 1.6 1.4 VIN=2.0V VIN=2.5V VIN=3.5V 1.2 1 0.8 0.6 0.4 2 VIN=2.3V 1.5 VIN=2.5V VIN=3.0V VIN=4.0V 1 0.5 0.2 0 0 0 100 200 300 400 0 500 R1122N301B 200 300 400 500 R1122N401B 3.5 5 3 Output Voltage VOUT(V) Output Voltage VOUT(V) 100 Output Current IOUT(mA) Output Current IOUT(mA) 2.5 VIN=3.3V 2 VIN=3.5V VIN=4.0V 1.5 VIN=5.0V 1 0.5 0 4 VIN=4.3V 3 VIN=4.5V VIN=5.0V VIN=6.0V 2 1 0 0 100 200 300 400 500 Output Current IOUT(mA) 0 100 200 300 400 500 Output Current IOUT(mA) R1122N501B 6 Output Voltage VOUT(V) 1) 5 4 VIN=5.3V VIN=5.5V 3 VIN=6.0V VIN=7.0V 2 1 0 0 100 200 300 400 500 Output Current IOUT(mA) 9 R1122N 2) Output Voltage vs. Input Voltage R1122N201B 2.100 1.500 2.000 Output Voltage VOUT(V) Output Voltage VOUT(V) R1122N151B 1.600 1.400 1.300 1.200 IOUT=1mA IOUT=30mA IOUT=50mA 1.100 1.000 1.900 1.800 1.700 IOUT=1mA IOUT=30mA IOUT=50mA 1.600 1.500 1 2 3 4 5 6 7 1 2 3 Input Voltage VIN(V) R1122N301B 3.000 Output Voltage VOUT(V) Output Voltage VOUT(V) 6 7 4.500 2.900 2.800 2.700 IOUT=1mA IOUT=30mA IOUT=50mA 2.600 2.500 4.000 3.500 3.000 IOUT=1mA IOUT=30mA IOUT=50mA 2.500 2 3 4 5 6 7 Input Voltage VIN(V) R1122N501B 5.000 4.500 4.000 3.500 IOUT=1mA IOUT=30mA IOUT=50mA 3.000 2.500 2 3 4 5 Input Voltage VIN(V) 2 3 4 5 Input Voltage VIN(V) 5.500 Output Voltage VOUT(V) 5 R1122N401B 3.100 10 4 Input Voltage VIN(V) 6 7 6 7 R1122N Dropout Voltage vs. Output Current R1122N151B R1122N201B 0.600 0.500 Topt=-40C Topt=25C Topt=85C 0.400 Dropout Voltage VDIF(V) Dropout Voltage VDIF(V) 0.600 0.300 0.200 0.100 0.000 0.500 Topt=-40C Topt=25C Topt=85C 0.400 0.300 0.200 0.100 0.000 0 50 100 150 0 Output Current IOUT(mA) R1122N301B 100 150 R1122N401B 0.600 0.500 Topt=-40C Topt=25C Topt=85C 0.400 Dropout Voltage VDIF(V) Dropout Voltage VDIF(V) 50 Output Current IOUT(mA) 0.600 0.300 0.200 0.100 0.000 0.500 Topt=-40C Topt=25C Topt=85C 0.400 0.300 0.200 0.100 0.000 0 50 100 150 Output Current IOUT(mA) 0 50 100 150 Output Current IOUT(mA) R1122N501B 0.600 Dropout Voltage VDIF(V) 3) 0.500 Topt=-40C Topt=25C Topt=85C 0.400 0.300 0.200 0.100 0.000 0 50 100 150 Output Current IOUT(mA) 11 R1122N 4) Output Voltage vs. Temperature R1122N151A/B R1122N201B VIN=2.5V CIN=1F COUT=2.2F IOUT=30mA VIN=3.0V CIN=1F COUT=2.2F IOUT=30mA 1.53 2.10 Output VoltageVOUT(V) Output VoltageVOUT(V) 2.08 1.52 1.51 1.50 1.49 1.48 2.06 2.04 2.02 2.00 1.98 1.96 1.94 1.92 1.47 1.90 -50 -25 0 25 50 Temperature Topt (C) 75 100 -50 R1122N301A/B 100 4.08 4.06 3.04 Output VoltageVOUT(V) Output VoltageVOUT(V) 75 VIN=5.0V CIN=1F COUT=2.2F IOUT=30mA 3.06 3.02 3.00 2.98 2.96 4.04 4.02 4.00 3.98 3.96 3.94 3.92 2.94 -50 -25 0 25 50 Temperature Topt (C) 75 100 R1122N501A/B VIN=6.0V CIN=1F COUT=2.2F IOUT=30mA 5.10 5.08 Output VoltageVOUT(V) 0 25 50 Temperature Topt (C) R1122N401A/B VIN=4.0V CIN=1F COUT=2.2F IOUT=30mA 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -50 12 -25 -25 0 25 50 Temperature Topt (C) 75 100 -50 -25 0 25 50 Temperature Topt (C) 75 100 R1122N Supply Current vs. Input Voltage R1122N151B R1122N201B 120 Supply Current ISS (A) Supply Current ISS (A) 120 100 80 60 40 100 80 60 40 20 20 0 0 1 2 3 4 5 Input Voltage VIN (V) 6 1 7 2 R1122N301B 6 7 6 7 120 Supply Current ISS (A) Supply Current ISS (A) 3 4 5 Input Voltage VIN (V) R1122N401B 120 100 80 60 40 20 100 80 60 40 20 0 0 1 2 3 4 5 Input Voltage VIN (V) 6 7 6 7 1 2 3 4 5 Input Voltage VIN (V) R1122N501B 120 Supply Current ISS (A) 5) 100 80 60 40 20 0 1 2 3 4 5 Input Voltage VIN (V) 13 R1122N 6) Supply Current vs. Temperature R1122N151A/B 150 100 50 0 -50 -25 50 75 0 25 Temperature Topt (C) VIN=3.0V CIN=1F COUT=2.2F 200 Supply Current ISS (A) 200 Supply Current ISS (A) R1122N201A/B VIN=2.5V CIN=1F COUT=2.2F 150 100 50 0 -50 100 -25 R1122N301A/B 100 50 -25 50 75 0 25 Temperature Topt (C) 100 R1122N501A/B VIN=6.0V CIN=1F COUT=2.2F Supply Current ISS (A) 200 150 100 50 0 -50 14 -25 50 75 0 25 Temperature Topt (C) 100 VIN=5.0V CIN=1F COUT=2.2F 200 Supply Current ISS (A) Supply Current ISS (A) 150 0 -50 100 R1122N401A/B VIN=4.0V CIN=1F COUT=2.2F 200 0 25 50 75 Temperature Topt (C) 150 100 50 0 -50 -25 50 75 0 25 Temperature Topt (C) 100 R1122N Ripple Rejection vs. Frequency R1122N151A/B R1122N201A/B VIN=2.5V+0.5Vp-p COUT=2.2F IOUT=30mA 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 90.00 Ripple Rejection RR (dB) Ripple Rejection RR (dB) 90.00 1 10 Frequency Freq (kHz) 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 100 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 1 10 Frequency Freq (kHz) 1 10 Frequency Freq (kHz) 100 R1122N401A/B VIN=4.0V+0.5Vp-p COUT=2.2F IOUT=30mA 90.00 Ripple Rejection RR (dB) Ripple Rejection RR (dB) 90.00 VIN=3.0V+0.5Vp-p COUT=2.2F IOUT=30mA 80.00 R1122N301A/B 100 VIN=5.0V+0.5Vp-p COUT=2.2F IOUT=30mA 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 1 10 Frequency Freq (kHz) 100 R1122N501A/B 90.00 Ripple Rejection RR (dB) 7) VIN=6.0V+0.5Vp-p COUT=2.2F IOUT=30mA 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 0.1 1 10 Frequency Freq (kHz) 100 15 R1122N 8) Ripple Rejection vs. Input Voltage (DC bias) R1122N301B 80.00 70.00 60.00 50.00 40.00 30.00 f=400Hz f=1kHz f=10kHz 20.00 10.00 0.00 3.10 3.50 3.20 3.30 3.40 Input Voltage VIN (V) 90.00 Ripple Rejection RR (dB) 90.00 Ripple Rejection RR (dB) R1122N301B COUT=Ceramic 2.2F IOUT=1mA COUT=Ceramic 2.2F IOUT=10mA 80.00 70.00 60.00 50.00 40.00 30.00 20.00 10.00 0.00 3.10 f=400Hz f=1kHz f=10kHz 3.50 3.20 3.30 3.40 Input Voltage VIN (V) R1122N301B COUT=Ceramic 2.2F IOUT=50mA Ripple Rejection RR (dB) 90.00 80.00 70.00 60.00 50.00 40.00 30.00 0.00 3.10 9) f=400Hz f=1kHz f=10kHz 20.00 10.00 3.20 3.30 3.40 Input Voltage VIN (V) 3.50 Input Transient Response 4* R1122N151B Tek Run : 2.50MS/s Average VIN 1 2 24$*2)$*2 VOUT 4)/!0 4"" 4$@ Ch1 Ch1 16 1.00V Ch2 20.0mV M20.0s 9&4* R1122N 4* R1122N201B Tek Run : 2.50MS/s Average VIN 1 2 24)$/2D$/2 VOUT 4)/!0 4"" 4$@ Ch1 1.00V Ch2 20.0mV M20.0s 9&4* 4* R1122N301B Tek Run : 2.50MS/s Average VIN 1 2 24D$/2*$/2 VOUT 4)/!0 4"" 4$@ Ch1 1.00V Ch2 20.0mV M20.0s 9&4* 4* R1122N401B Tek Run : 2.50MS/s Average VIN 1 2 24*$/2I$/2 VOUT 4)/!0 4"" 4$@ Ch1 1.00V Ch2 20.0mV M20.0s 9&4* 17 R1122N 4* R1122N501B Tek Run : 2.50MS/s Average VIN 1 2 24I$/2E$/2 VOUT 4)/!0 4"" 4$@ Ch1 1.00V Ch2 20.0mV M20.0s 9&4* 10) Load Transient Response 4* R1122N151B Tek Run : 2.50MS/s Average 1 IOUT 4*/!0//!0 VOUT 2 24$*2 4$@ 4$@ Ch1 500mV Ch2 50.0mV M20.0s 9&4* 4* R1122N201B Tek Run : 2.50MS/s Average 1 IOUT 4*/!0//!0 VOUT 24)$/2 2 4$@ 4$@ Ch1 500mV 18 Ch2 50.0mV M20.0s 9&4* R1122N 4* R1122N301B Tek Run : 2.50MS/s Average 1 IOUT 4*/!0//!0 VOUT 24D$/2 2 4$@ 4$@ Ch1 500mV Ch2 50.0mV M20.0s 9&4* 4* R1122N401B Tek Run : 2.50MS/s Average 1 IOUT 4*/!0//!0 VOUT 24*$/2 2 4$@ 4$@ Ch1 500mV Ch2 50.0mV M20.0s 9&4* 4* R1122N501B Tek Run : 2.50MS/s Average 1 IOUT 4*/!0//!0 VOUT 24I$/2 2 4$@ 4$@ Ch1 500mV Ch2 50.0mV M20.0s 9&4* 19 R1122N TECHNICAL NOTES 4 CE VOUT1 1 R1122Nxx1B VIN Ceramic Cap. Spectrum Analyzer 3 VDD GND Ceramic Cap. S.A ESR 2 IOUT Measuring Circuit for white noise; R1122Nxx1B " "+ ", "%& "$"" "" " D/2+0$, " " $ +"=H" " ! """ & !" " "!" $7 & ! " !"" " ";7$, K! """ L +, 242G2 +, @ '" "=/5858 +), ! =* 20