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Low Dropout Linear Regulators     
Part No. Features Vin(range) Vout(v) Iq(max) Vd(max) PSRR(Typ) package
LR4XXYY Dual，Low-Noise，200mA LDO REGULATOR 2.5 ~ 5.5 +2 260 255 62 SOT-26
L1131A 1.8 ~ 6 -0.3~6.3 - 3 50 SOT-25
LR1185 150mA cmos ldo with shutdown and referen... 2.7 ~ 5.5 -0.3~6.3 50 200mV 55 SOT-23-5
LR2126 1A fast ultra low dropout linear regula... 2.5~7.0 -0.3~+7.5 - 300 mV 60 SOT-89-5/SOT-25/DFN2020-6/DFN3030-8
LR9270 800mA LDO REGULATOR 6 -0.3~7.3 - 0.35 50 SOT-89-5 / SOT-25
L11831A L11831B L11831C maximum 3a, ultra low dropout regulator ... 1.4~5.5 3~5.5 0.9 mA 350 mV - HSOP-8
LR9103 low noise 150ma ldo regulator 6 -0.3~6.3 - 0.4 75 SOT-23-5/SOT-25/SOT-343/X2DFN1010-4
LM337A 1.5a, adjustable output,negative voltage... 77 dB TO-220/TO-252
L1803 1.5a ultra low dropout linear regulator ... -0.3~+6 -0.3 ~ +6.3 - - 30 / 60 HSOP-8
RXXLD10 low voltage operation low power-loss vol... 2.35 ~ 18 1.5 ~ 1.8V 2 mA 0.5 V 60 TO-220F-4/TO-252/TO-252-5/SOP-8/HSOP-8
L1806 3a, ultra low dropout (0.23v@3a) linear ... -0.3 ~ 4.0 0.8 ~ 1.2 - 0.23 - HSOP-8
ULE4275 5v low-dropout voltage regulator -42~45 4.9 ~ 5.1 200 1 60 TO-263-5
LR9280 150mA LDO regulator 1.7 ~ 6 -0.3~6.3 - 1.2 - SOT-23-5
LR1965 1.5A, low dropout regulator with power g... -0.3~7 -0.3~7.3 300uA 400mV IF= 0.1uA HSOP-8
LR9272 super low on resistance / low voltage 1a... 1.4 ~ 6 -0.3~6.8 - 0.57 70 SOT-223 SOT-25
LR7XXYY 2.5 ~ 5.25 -0.3 ~ +6.3 Iout = 300 mA 1V 80 SOP-8
LR8XXYY 150mA dual ldo regulator 1.4 ~ 5.25 -0.3 ~ +6.3 Iout = 150 mA 0.87V 70 SOT-23-6
LR9XXYY 300mA small dual ldo regulator 1.4 ~ 5.25 -20 ~ 20 Iout = 300 mA 0.72 75 SOT-23-6
LR1811 1A fast ultra low dropout linear regula... 1.5 ~ 6 V -20 ~20 mV - 0.34 65 HSOP-8
LC1111 low dropout linear regulator controller 4.5~13.5 - Vref = 0.8V Icc= 1mA 50 SOT-26
LR18220 0.15~0.4 -3 ~ 3V Ilimit =4A 65mA 55 / 65 SOP-8
LR18230 0.15~ 0.4 -3 ~ 3 - 65 mA 65dB HSOP-8
LR1198 300mA, ultra-low noise, ultra-fast cmos ... 2.5 ~ 5.5V 220mV 130 µA 600mV -50dB SOT-23-5
LR18113 1.6x linear fan driver with enable contr... -0.3 ~ +7V 4.5~6V 3 mA - - SOP-8
LR1812 1.0A fast ultra low dropout linear regul... 1.5 ~ 6V 1.0 ~ 3.5V IOUT =1000mA 0.45V 55 60 65 HSOP-8 SOT-25
LR9107 output capacitor-less low voltage 200ma ... 1.7 ~ 5.25V -0.3 ~ 6.3 25 µA 0.44V 70 SOT-25
UR6227 700mA high speed ldo regulator with reve... 6.5 6.5 - 300mV 65dB SOT-89-5/SOT-25
LR9203 cl capacitor-less 500ma low power consum... 6.5 1 - - 55dB SOT-25
LR9500 ultra low noise, 150ma linear regulator ... 2.5 ~ 5.5 6.0 V 50 μA 150 mV 85 dB SOT-25
LR9113 low noise 300mA ldo regulator 6 -0.3~ 6.3 - 0.4 65 SOT-25/SOT-23-5/SOT-353/SOT-553/X2DFN1010-4
UR6223 built-in inrush current protection，300ma ... ~7.0V 1.8~4.0V 10mA 0.5V 80 dB SOT-25(SC59-5)/DFN1010-4
LD1117AH low drop fixed and adjustable positive v... 15V 3.234 ~ 3.366V 10mA - - SOT-223
LR2915 1.5A, low dropout regulator 2.5 ~ 6.0V -0.3 ~ 7.3 300 uA VF= 490 ~ 510 mV IF= 0.001~ 0.1 uA SOP-8 HSOP-8
LR3965A 2A low dropout linear regulator 2.25 ~ 6 V -2 ~ 2V 1.5A 550 mV Iout = 2.0 A HSOP-8
LXXLD36 3A, ultra low dropout (0.17v @ 3a) linea... 1.0 ~ 3.65 V 0.8 ~ 1.2 V Ilimit =7A 0.31V Iout = 0 ~ 3 A DFN-8(3X3)
LXXLD37 3A, ultra low dropout (0.17v @ 3a) linea... 1.0 ~ 3.65 V 0.8 ~ 1.2 V Ilimit =7A 0.31V Iout = 0 ~ 3 A DFN-8(3X3)
LR1802 1.0A low dropout linear regulator with o... 1.0 ~ 5.5 V VPP= 3~5.5 V IADJ= 100 nA 300 mV VREF= 0.784 ~ 0.816 V HSOP-8
LR9282 300mA LDO REGULATOR 8 V 1.2 ~ 5 V PD= 280 mW 200 mV 70/ 50 dB SOT-89/SOT-23-3/SOT-23-5/SOT-25/SOT-343/X2DFN1010-4
LR9211 600Ma low dropout linear regulator 2.5~ 5.5V 0.4 W 40 ~ 115μA 600 mV 68/65/62/48/45/40 SOT-23-5/SOT-25
LR3865 2A low dropout linear regulator 6 V IOUT= 3.8 A 200 µA 0.612 V 45 dB SOP-8/HSOP-8
LR3866 3.0A low dropout linear regulator 6V 0.784 ~ 0.816 V - 800 mV PD= 890 mW TO-263 TO-263-5
LR9133 low noise 300ma ldo regulator 6 V -0.3 ~ 6.3 V 0.14V SOT-25
LR9153 low noise 500ma ldo regulator 6V -0.3 ~ 6.3 V 0.32V 65 dB SOT-25
LR18943A 1.0a low dropout linear regulator with o... 1.0~ 5.5 V 0.882 ~ 0.918V VPP= 3~5.5 V 300 mV HSOP-8
UR75XX high voltage , ultra low iq voltage regu... IOUT= 70~ 100 mA VOUT= 1.764 ~ 1.836 V PD= 500 200mW VDROP= 45 ~100 mV SOT-89 SOT-25 TO-92
UR72XX 18-v input voltage 500ma ultra low iq vo... 12V 150 mV SOT-23　SOT-89　TO-92
LR1805 1.0A fast ultra low dropout linear regul... 1.5 ~6 V 0.38V 65dB SOT-89-5
UR78XX high voltage , ultra low iq voltage regu... 36 3.234 ~ 3.366 65 mV SOT-89
UR56XX 18-v input voltage 500ma ultra low iq vo... 0~18V 12V 150 mV SOT-23/SOT-25/SOT-89/TO-92
UR76XX 36V input voltage 500ma ultra low iq vol... 12V 100 ~150 mV SOT-23 SOT-89 TO-92
78KXX 30 - 35V 5~18V 5.5 mA 1.7 V 60 SOP-8 SOT-25 SOT-89 TO-92 TO-92NL
UR56XX1 18-v input voltage 500ma ultra low iq vo... 1.47 ~ 1.53V SOT-89
LR9212 1A low dropout linear regulator 2.5 ~5.5 V 120 μA 68 db SOT-25
LD1119A low drop fixed and adjustable positive v... 15 V 3.3V 10 mA 1V HSOP-8
LR2965A 1.5a, low dropout regulator -0.3 ~ 7 -0.3 ~ 7.3 450 uA 280mV SOT-223
UT72XX 32V 2.94 ~ 3.06 V 60 mV SOT-89 SOT-25
L1131B low noise 200ma ldo regulator 1.8~ 6.0 V -0.3 ~ 6.8 V 0.65 V 50 dB SOT-23-5 SOT-25 SOT-89
LR1193 300mA, ultra-low noise, ultra-fast cmos ... 2.5 ~ 5.5V 130 μA 200mV -70dB SOT-23-5
LR9283 300mA LDO REGULATOR 6.5 IOUT= 300 mA SOT-23-5 (JEDEC TO-236)
UR76XX1 36-v input voltage 500ma ultra low iq vo... 36V 1.47 ~ 1.53 V 150 mV SOT-89
UR57XX 18v input voltage 1a ultra low iq voltag... 18 3.234 ~ 3.366 V 200 mV SOT-23-3 SOT-23-5 SOT-89 TO-92
UR77XX 36v input voltage 1a ultra low iq voltag... 18 3.234 ~3.366 V 200 mV TO-220 TO-252
LR2128 300mA selectable fixed/adjustable low dr... 2.7 ~ 6 V 0.8 ~ 5.5 V 200 μA 360 mV SOT-25
LR78XX low noise 500ma ldo regulator 1.8~ 8.0 V -0.3 ~ 8.3 V 50 dB SOT-23-5 SOT-25 SOT-89
UR72XXH high voltage , ultra low iq voltage regu... 36 3.234 ~ 3.366 V 400 mV SOT-89/SOT-23-3/SOT-23/SOT-25
UR73XX 36-v input voltage 300ma , ultra low iq ... 36 1.47 ~ 1.53 V 100 mV SOT-23-3/SOT-89
UR73XXH 36v input voltage 300ma, ultra low iq vo... 36 3.234 ~ 3.366 V 160 mV SOT-89
378RXXX 4 terminal 3a output low drop voltage re... 35 3 V 10 3 55 TO-220F-4
278RXXX 4 terminal 2a output low drop voltage re... 35 3V 10 mV 3V 55 TO-220F-4
UR6222 built-in inrush current protection，700ma ... 6 65 SOT-25
UR51XXH high voltage , ultra low iq voltage regu... 3.3V 100 mV SOT-89
UR56XXA 18-v input voltage 500ma ultra low iq vo... 1.47 ~ 1.53 V 200 mV SOT-89 SOT-23-3
UR76XXA 36-v input voltage 500ma ultra low iq vo... 12 SOT-23-3 SOT-23-5 SOT-23 SOT-89 TO-92
LR9284 ultralow quiescent current, 500ma, cmos ... 9 250 mV -72dB SOT-25/SOT-353
UR56XXH 18-v input voltage 500maultra low iq vol... 3.234 ~3.366 V 200mV SOT-89
LXXLD38 3a ultra low dropout linear regulator 0.9 ~ 3.65 0.6 ~ VIN-VDROP 0.2v 65 HSOP-8
LXXLD52 5a, ultra low dropout (0.15v@5a) linear ... 1.2~ 3.65 V 0.8 ~ 1.2 V 0.17v HSOP-8
LR5XXYY 150mA low-dropout regulator, ultralow-po... 2.2 ~5.5 V 2.2 ~5.5 V 250 mV SOT-25
UR56XXCE 18-v input voltage 500ma ultra low iq vo... 2.5~18V 3.234 ~ 3.366 V 200 mV SOT-25 SOT-23-5 DFN2020-6
LR1831 3a, ultra-low dropout voltage regulator 1.0V~5.5V 5V 1.5 mA 5.5 V HSOP-8/DFN3030-10
UR76XXH 36-v input voltage 500ma ultra low iq vo... 36 3.234 ~3.366 V 200 mV SOT-89/SOT-23-3/SOT-23
UR81XX high voltage , ultra low iq voltage regu... 3.234 ~ 3.366 V 100 mV SOT-89
UR86XXCE 36v input voltage 500ma ultra low iq vol... 36V 3.234 ~ 3.366 V 200 mV SOT-25 SOT-23-5
UR86XXH 36v input voltage 500ma ultra low iq vol... 36V 3.234 ~ 3.366 V 200 mV SOT-89/SOT-23-3/SOT-23
UR76XXCE 36-v input voltage 500ma ultra low iq vo... 3.234~ 3.366 V SOT-23-5 SOT-25 SOT-89
LD1117 LD1117A low drop fixed and adjustable positive v... 15 V 1.176 ~ 1.224 V 10 mA 1.3V TO-220/TO-220F/TO-262/TO-263/TO-263-3/TO-252/TO-252D/SOT-89/SOT-223/PDFN5x6/SOP-...
LD4117 low drop fixed and adjustable positive v... 15 V 3.234 ~ 3.366 V 10 mA 1.30 V SOT-223
UR87XXH 36v input voltage 1a ultra low iq voltag... 36V 2.94 ~ 3.06 V 200 mV SOT-89
LR1815 1.5a ultra low dropout linear regulator ... 0.8 ~5.5 V 0.8 ~3.3 V 270 mV 60 dB HSOP-8/DFN3030-10

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