LOW NOISE 150mA LDO REGULATOR NO. EA-057-0204 OUTLINE ! ! ! " !#$ % % !! ! % % ! % ! ! # ! ! %! !# ! ! ! ! ! ! ! ! % ! ! % % ! ! !& !# % % # ! ' % , ' ! ! !% ! ()* + ! # FEATURES * - . ! ################################################## #)*/0 * ! ###################################################################### #1#/0 * .2 3 ########################################################## #1#(3+411 0, * 5 " ! ######################################################### #617+%4'58, * . 2 % %% !%3 ###### #911 : * $!. ! !################################################### #1#1*;:3 * 5 3 0 ########################################### 9(#1; * $!. ! ! ! ! !. ! ! ! * < ' ##################################################################### ()*+ ! , * 3 ##################################################################### ! %1#3 ! !%#*3 *#13 * 7 ! ! +( =0> ?.@7> ?5@, * < !################################################################################## .<(AB1 APPLICATIONS * < % ! C 20 ! * < % ! ' !%< # 3 ! # * < % & !# 1 R1111N BLOCK DIAGRAM R1111Nxx1A R1111Nxx1B 1 5 1 VOUT VDD VDD Vref VOUT Vref Current Limit CE 5 GND 3 2 CE Current Limit GND 3 2 SELECTION GUIDE ' ! ! ! % D & # ! ! ! ! ! ! !> < Code Contents 2 ! !%< ' > >()*+ ! , !3 +3,> ! %1#3 ! !%#*3*#13 # 2 ! !%0 > 0>?.@ 7>?5@ 2 2 ! !% !> $#.+ % ! % ! = ! !#, R1111N PIN CONFIGURATION SOT-23-5 5 4 VOUT NC (mark side) VDD GND CE 1 2 3 PIN DESCRIPTION Pin No. Symbol Description 3 !< ! ( C2 C !< ! ) $ E !! ! * 3 ! $! < ! ABSOLUTE MAXIMUM RATINGS Item Symbol Rating Unit !3 3 A 3 !3 + $< !, 3 1#)F3G1#) 3 3 3 1#)F3G1#) 3 ! (11 0 < 2 < (*1 H E1FB* **F(* ! ! ! ! 3 R1111N ELECTRICAL CHARACTERISTICS * R1111Nxx1A 4(* Symbol Conditions Min. Typ. Max. 343G3 3 3 0)1 0 x1#AB x#1( Unit 3 3 3 ! 3: . ! 3 2 3 ! 343G3 )* 61 0 !+ !, 34343G3 1# #1 0 1#1* 1#(1 ;:3 ! 3:3 . ! ! " ! 3 !3 3: % $.$ 0. 500 $ -<- 3.0C$ 343G3 E1 3 % $.$ 0. 500 $ -<- 3.0C$ 3G1#*33B3 4)1 0 %4'58 1#*3 61 343G3 ( 3 4)1 0 %% ! E1 B* !. 3413 < ( 0B1 0 ! 7 B 3 911 : *1 (#* *#1 0 1#1 3 !3 ?5@ #* 3 3 3 !3 ?.@ 1#11 1#(* 3 ! 4 Item 7H415811'58 )1 3 R1111N * R1111Nxx1B 4(* Symbol Item 3 3 ! 3: . ! 3 2 3 ! ! . ! ! " ! 3 !3 Typ. Max. 343G3 3 3 0)1 0 x1#AB x#1( Unit 3 3.0C$ 343G3 ( 0B1 0 E1 3 % $.$ 0. 500 $ -<- 3.0C$ 343G3 343G3 34C2 3G1#*33B3 4)1 0 %4I58 1#*3 )* 61 0 1# #1 0 1#1* 1#(1 ;:3 61 343G3 ( 3 4)1 0 %% ! E1 B* !. 3413 $<! Min. % $.$ 0. 500 $ -<- !+ !, 3:3 3: Conditions ! 7 B 3 911 : *1 (#* *#1 0 1#1 3 $!3 ?5@ #* 3 3 3 $!3 ?.@ 1#11 1#(* 3 ! 7H415811'58 )1 3 5 R1111N * ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 4(* Output Current Output Voltage IOUT (mA) Condition #*3#6 Min. 334#13 #B3*#1 11 *1 4(* Dropout Voltage Output Voltage VOUT (V) VDIF (V) Condition Min. Typ. Max. 1#J1 #E1 1#)* 1#61 (#*3(#6 1#(E 1#)* (#B3)#) 1#(1 1#)1 )#E3*#1 1#6 1#(J #* 1#*1 #J 1#E1 #6 1#)1 #B3#A (#13(#E 411 0 OPERATION R1111Nxx1A 1 R1111Nxx1B 5 1 VOUT VDD 5 VOUT VDD R1 R1 Vref CE 3 ! Vref Current Limit R2 GND 2 CE R2 3 GND 2 % !% 3 % ' ( ! % ! % ! ! #0 ! % ! ! ! !# 6 Current Limit 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 2 GND 0.1F GND 0.1F Fig.1 Standard test Circuit Fig.2 Supply Current Test Circuit CE CE 3 3 IN VDD 1 OUT 5 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 1F GND I1 I2 Fig.4 Load Transient Response Test Circuit Test Circuit 7 R1111N TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current R1111N181B R1111N301B Topt = 25C Topt = 25C 3.5 2.0 5.0V 3.0 3.8V 1.6 Output Voltage VOUT (V) Output Voltage VOUT (V) 1.8 2.8V 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 0.0 0 100 200 300 400 Output Current IOUT (mA) 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 2) 100 200 300 400 Output Current IOUT (mA) 0 500 100 200 300 400 Output Current IOUT (mA) Output Voltage vs. Input Voltage R1111N181B R1111N301B Topt = 25C Topt = 25C 3.1 2.0 IOUT=1mA 3.0 IOUT = 1mA Output Voltage VOUT (V) Output Voltage VOUT (V) 1.9 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 8 500 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 R1111N R1111N401B R1111N501B Topt = 25C Topt = 25C 5.5 4.5 5.0 Output Voltage VOUT (V) Output Voltage VOUT (V) IOUT = 1mA 4.0 3.5 30mA 3.0 3.5 30mA 50mA 4.0 5.0 6.0 Intput Voltage VIN (V) 7.0 2.5 2.0 8.0 3.0 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) 150 0 R1111N401B 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) 3) 3.0 4.0 3.0 50mA 2.5 2.0 IOUT = 1mA 4.5 0.30 Topt = 85C 0.25 25C 0.20 0.15 -40C 0.10 0.05 0.00 0.00 0 50 100 Output Current IOUT (mA) 150 0 50 100 Output Current IOUT (mA) 150 9 R1111N 4) Output Voltage vs. Temperature R1111N181B 1.90 1.88 3.08 1.86 3.06 1.84 1.82 1.80 1.78 1.76 1.74 1.72 1.70 -50 VIN = 4.0V IOUT = 30mA 3.10 Output Voltage VOUT (V) Output Voltage VOUT (V) R1111N301B VIN = 2.8V IOUT = 30mA 3.04 3.02 3.00 2.98 2.96 2.94 2.92 -25 0 25 50 Temperature Topt (C) 75 2.90 -50 100 -25 R1111N401B 5.08 4.06 5.06 Output Voltage VOUT (V) Output Voltage VOUT (V) 5.10 4.08 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 -25 0 25 50 Temperature Topt (C) 75 4.90 -50 100 -25 0 25 50 Temperature Topt (C) 75 100 Supply Current vs. Input Voltage R1111N181B R1111N301B Topt = 25C 60 60 50 50 Supply Current I ISS (A) Supply Current I ISS (A) Topt = 25C 40 30 20 0 1.0 40 30 20 10 10 10 100 VIN = 6.0V IOUT = 30mA 3.92 5) 75 R1111N501B VIN = 5.0V IOUT = 30mA 4.10 3.90 -50 0 25 50 Temperature Topt (C) 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 R1111N R1111N401B R1111N501B Topt = 25C 60 60 50 50 Supply Current ISS (A) Supply Current ISS (A) Topt = 25C 40 30 20 10 0 1.0 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) 7.0 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 100 VIN = 6.0V 50 45 45 Supply Current ISS (A) 50 40 35 30 25 20 -50 0 50 Temperature Topt (C) R1111N501B VIN = 5.0V Supply Current ISS (A) 6) 40 40 35 30 25 0 50 Temperature Topt (C) 100 20 -50 0 50 Temperature Topt (C) 100 11 R1111N 7) Dropout Voltage vs. Set Output Voltage R1111Nxx1B 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 8) 2.0 3.0 4.0 Set Output Voltage Vreg (V) 5.0 Ripple Rejection vs. Frequency R1111N181B R1111N181B VIN = 2.8VDC + 0.5Vp-p COUT = tantal 2.2F VIN = 2.8VDC + 0.5Vp-p COUT = tantal 1.0F 80 80 70 Ripple Rejection RR (dB) Ripple Rejection RR (dB) 70 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 R1121N301B VIN = 4VDC + 0.5Vp-p COUT = tantal 2.2F VIN = 4VDC + 0.5Vp-p COUT = tantal 1.0F 80 80 70 Ripple Rejection RR (dB) 70 Ripple Rejection RR (dB) 100 Frequuency f (kHz) R1121N301B 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 12 10 1 10 Frequuency f (kHz) 100 0.1 1 10 Frequuency f (kHz) 100 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 1 10 Frequeney f (kHz) 0.1 100 1 10 100 Frequeney f (kHz) Ripple Rejection vs. Input Voltage (DC bias) R1111N301B R1111N301B IOUT = 10mA COUT = 2.2F IOUT = 1mA COUT = 2.2F 80 80 70 Ripple Rejection RR(dB) Ripple Rejection RR (dB) 70 60 50 40 f = 400Hz 30 20 f = 1kHz 10 f = 10kHz 60 50 40 f = 400Hz 30 20 f = 1kHz 10 f = 10kHz 0 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 3.1 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) 9) 60 f = 1kHz 60 50 f = 10kHz 40 30 20 10 0 3.1 3.2 3.3 3.4 3.5 Input Voltage VIN (V) 13 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 1 2.9 0 2.8 0 14 20 40 60 Time t (s) 80 100 120 Input Voltage VIN (V) 6 3.4 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 8 10 12 Time t (s) 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 2.8 -150 0 2 4 6 8 10 12 Time t (s) 14 16 18 Output Current IOUT (mA) 150 3.4 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 Output Current IOUT (mA) 150 3.4 -150 2.8 0 2 4 6 8 10 12 Time t (s) 14 16 18 20 15 R1111N TECHNICAL NOTES H! ! ! ! % ! ! > ! ! % ! !! % ! % &! #K !$+$& ! !,% ! ! % > 3 CE VOUT 5 R1111N301B 1 VIN VIN 2 GND Ceramic Capacitor Spectrum S.A. Analyzer ESR IOUT Ceramic Capacitor 1F Measuring Circuit for white noise;R1111N301B ! !+ !, !$% ! ! # ! ! ! ! ! E13+0#, ! ! # +!>H! ! ! ! ! !! ! % ! #7 % ! !! ! !< 7#, L !! ! M +, 34E3 +(, K &! !>15858 +), >(* R1111N301B R1111N301B Ceramic 2.2F 100.0 100.0 10.0 10.0 ESR () ESR () Ceramic 1.0F 1.0 1.0 0.1 0 50 100 Output Current IOUT (mA) 16 150 0.1 0 50 100 Output Current IOUT (mA) 150 R1111N * '3 !C2 ! %% !#% * ! ! ' ! ! !! !%K !3 !C2 * ! !! ! # # ' ! # TYPICAL APPLICATION CE CE IN Cap. VDD OUT R1111Nxx1A VOUT GND Cap. IN Cap. VDD OUT R1111Nxx1B VOUT GND Cap. 17