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AN5604

Title	Title AN5604 - Strategies for Noise Reduction in Fixed and Adjustable LDOs
Name	Name AN5604
Date	Date 10/07/2024
Description	Description Application Note

Silicon Products

Description	Product	Description
TC1015 High Accuracy Low Noise 100mA CMOS LDO	TC1015	High Accuracy Low Noise 100mA CMOS LDO
TC1185 150mA CMOS LDO w/ Shutdown and Vref Bypass	TC1185	150mA CMOS LDO w/ Shutdown and Vref Bypass
TC1014 High Accuracy Low Noise 50mA CMOS LDO	TC1014	High Accuracy Low Noise 50mA CMOS LDO
MIC5301 150mA Single LDO	MIC5301	150mA Single LDO
MCP1826 1.0A LDO	MCP1826	1.0A LDO
MIC5201 150mA, 1% Accuracy LDO Regulator	MIC5201	150mA, 1% Accuracy LDO Regulator
MIC69502 5A Low Vin/Vout LDO Regulator	MIC69502	5A Low Vin/Vout LDO Regulator
MIC47100 1A High Speed, Low Vin LDO	MIC47100	1A High Speed, Low Vin LDO
MIC69302 Single Supply Low Vin/Vout, 3A LDO	MIC69302	Single Supply Low Vin/Vout, 3A LDO
MIC5233 High Vin, Low Iq LDO Regulator	MIC5233	High Vin, Low Iq LDO Regulator
TC1174 300mA CMOS LDO with Shutdown and Vref Bypass	TC1174	300mA CMOS LDO with Shutdown and Vref Bypass
TC1265 800mA Fixed Output CMOS LDO with Shutdown	TC1265	800mA Fixed Output CMOS LDO with Shutdown
MIC5209 500mA 1% Accuracy Low Noise LDO	MIC5209	500mA 1% Accuracy Low Noise LDO
MIC5219 500mA Peak Output LDO	MIC5219	500mA Peak Output LDO
MIC5270 100mA Negative uCap LDO Regulator	MIC5270	100mA Negative uCap LDO Regulator
TC1263 500mA Fixed Output CMOS LDO with Shutdown	TC1263	500mA Fixed Output CMOS LDO with Shutdown
TC1173 300mA CMOS LDO w/ Shutdown Error Output and Bypass Input	TC1173	300mA CMOS LDO w/ Shutdown Error Output and Bypass Input
MIC5205 150mA 1% Accuracy Low Noise LDO	MIC5205	150mA 1% Accuracy Low Noise LDO
MIC5239 Low Quiescent Current 500mA uCap LDO	MIC5239	Low Quiescent Current 500mA uCap LDO
MIC5235 Ultra-Low Quiescent Current 150mA uCap LDO	MIC5235	Ultra-Low Quiescent Current 150mA uCap LDO
MIC5206 150mA 1% Accuracy Low Noise LDO w/Flag	MIC5206	150mA 1% Accuracy Low Noise LDO w/Flag
MIC49500 5A Dual Supply, Low Voltage, High Bandwidth LDO	MIC49500	5A Dual Supply, Low Voltage, High Bandwidth LDO
MIC5255 150mA Low Noise uCap LDO	MIC5255	150mA Low Noise uCap LDO
MIC5247 150mA Low Voltage uCap CMOS Regulator	MIC5247	150mA Low Voltage uCap CMOS Regulator
MIC5207 180mA 3% Accuracy Low Noise LDO	MIC5207	180mA 3% Accuracy Low Noise LDO
MIC5271 100mA Negative uCap LDO Regulator with Enable	MIC5271	100mA Negative uCap LDO Regulator with Enable
MIC29503 5.0A LDO Adj. + Error Flag	MIC29503	5.0A LDO Adj. + Error Flag
MIC5225 Ultra-Low Quiescent Current 150mA uCap LDO	MIC5225	Ultra-Low Quiescent Current 150mA uCap LDO
TC1107 300mA CMOS LDO with Shutdown and Vref Bypass	TC1107	300mA CMOS LDO with Shutdown and Vref Bypass
MCP1726 1A Low Voltage Low lq LDO	MCP1726	1A Low Voltage Low lq LDO
TC1073 100mA CMOS LDO w/ Shutdown, Error Output, and Vref Bypass	TC1073	100mA CMOS LDO w/ Shutdown, Error Output, and Vref Bypass
MIC47300 3A Low Voltage, ADJ. High Bandwidth LDO Regulator with Dual Input Supplies	MIC47300	3A Low Voltage, ADJ. High Bandwidth LDO Regulator with Dual Input Supplies
MIC59300 Ultra Fast 3A LDO	MIC59300	Ultra Fast 3A LDO
MIC5309 Low Vin/Vout, Low Iq 300mA High PSRR ULDO	MIC5309	Low Vin/Vout, Low Iq 300mA High PSRR ULDO
MIC5325 Low Vin/Vout Low Iq 400mA ULDO	MIC5325	Low Vin/Vout Low Iq 400mA ULDO
MIC29302H 3.0A LDO Adj. + Shutdown	MIC29302H	3.0A LDO Adj. + Shutdown
MIC29312 3.0A LDO Adj. + Shutdown	MIC29312	3.0A LDO Adj. + Shutdown
MIC29372 750mA LDO Adj + Shutdown	MIC29372	750mA LDO Adj + Shutdown
MIC29752 7.5A LDO Adj. + Shutdown	MIC29752	7.5A LDO Adj. + Shutdown
MIC5377 High Performance Low Dropout Single 150mA LDO	MIC5377	High Performance Low Dropout Single 150mA LDO
LP2951 Low Dropout Regulator	LP2951	Low Dropout Regulator
MIC39302 3.0A Adjustable Wide VIN LDO	MIC39302	3.0A Adjustable Wide VIN LDO
MAQ5281 High Performance Linear Regulator, AEC-Q100	MAQ5281	High Performance Linear Regulator, AEC-Q100
MIC5281 120V/25mA Ultra Low Iq, High PSRR LDO	MIC5281	120V/25mA Ultra Low Iq, High PSRR LDO
TC1269 300mA CMOS LDO w/ Shutdown and Vref Bypass	TC1269	300mA CMOS LDO w/ Shutdown and Vref Bypass
MIC2954 Improved LP2954 Low Drop-out Regulator	MIC2954	Improved LP2954 Low Drop-out Regulator
MIC5259 Low Drop Out Regulator, 300mA High PSRR	MIC5259	Low Drop Out Regulator, 300mA High PSRR
MIC2951 Improved LP2951 Low Drop-out Regulator	MIC2951	Improved LP2951 Low Drop-out Regulator
MIC3975 750mA uCap Low Voltage LDO	MIC3975	750mA uCap Low Voltage LDO
MCP1725 500mA CMOS LDO w/ Power Good & Shutdown	MCP1725	500mA CMOS LDO w/ Power Good & Shutdown
MIC29302 3.0A LDO Adj. + Shutdown	MIC29302	3.0A LDO Adj. + Shutdown
MIC29502 5.0A LDO Adj. + Shutdown	MIC29502	5.0A LDO Adj. + Shutdown
MIC68401 4A Sequencing LDO with Tracking and Ramp Control - Eval Board	MIC68401	4A Sequencing LDO with Tracking and Ramp Control - Eval Board
MAQ5283 High Performance Linear Regulator, AEC-Q100	MAQ5283	High Performance Linear Regulator, AEC-Q100
MIC5378 High Performance Low Dropout Single 150mA LDO	MIC5378	High Performance Low Dropout Single 150mA LDO
MIC69103	MIC69103
MIC69303 Single Supply Low Vin, 3A LDO	MIC69303	Single Supply Low Vin, 3A LDO
MIC5234 Low-Quiescent Current 150mA LDO Regulator	MIC5234	Low-Quiescent Current 150mA LDO Regulator
TC1300 300mA CMOS LDO with Microcontroller Reset	TC1300	300mA CMOS LDO with Microcontroller Reset
MIC5305 150mA uCap Ultra-Low Dropout LDO	MIC5305	150mA uCap Ultra-Low Dropout LDO
MIC47150 1.5A Low Voltage, ADJ. High Bandwidth LDO Regulator with Dual Input Supplies	MIC47150	1.5A Low Voltage, ADJ. High Bandwidth LDO Regulator with Dual Input Supplies
MCP1824 300mA CMOS LDO, Vout=2.5V, Extended Temp Range	MCP1824	300mA CMOS LDO, Vout=2.5V, Extended Temp Range
MIC68400 4A Sequencing LDO with Ramp Control and Tracking	MIC68400	4A Sequencing LDO with Ramp Control and Tracking
MIC49200 2A LDO, Low Vin, Low Vout, Fast Transient Response, uCap Stable	MIC49200	2A LDO, Low Vin, Low Vout, Fast Transient Response, uCap Stable
MIC29512 5.0A LDO Adj. + Shutdown	MIC29512	5.0A LDO Adj. + Shutdown
MIC5353 6Vin, Single 500mA ULDO	MIC5353	6Vin, Single 500mA ULDO
MIC5253 100mA Low Noise uCap Teeny™ LDO	MIC5253	100mA Low Noise uCap Teeny™ LDO
MIC69153 Single Supply Vin, 1.5A LDO	MIC69153	Single Supply Vin, 1.5A LDO
MIC5308 Low Vin/Vout, Low Iq 150mA High PSRR ULDO	MIC5308	Low Vin/Vout, Low Iq 150mA High PSRR ULDO
TC1187 150mA Adjustable CMOS LDO with Shutdown	TC1187	150mA Adjustable CMOS LDO with Shutdown
MIC5265 150mA uCap LDO Regulator	MIC5265	150mA uCap LDO Regulator
MIC5249 300mA uCap LDO w/ Programmable Power-On Reset Delay	MIC5249	300mA uCap LDO w/ Programmable Power-On Reset Delay
MIC5319 500mA uCap Ultra-Low Dropout, High PSRR LDO Regulator	MIC5319	500mA uCap Ultra-Low Dropout, High PSRR LDO Regulator
MIC29202 400mA LDO Adj+Shutdown	MIC29202	400mA LDO Adj+Shutdown
MIC5252 150mA High-PSRR uCap LDO	MIC5252	150mA High-PSRR uCap LDO
MIC68200 2A Peak FPGA/CPLD LDO with POR, Ramp Control, and Sequencing	MIC68200	2A Peak FPGA/CPLD LDO with POR, Ramp Control, and Sequencing
MIC61150 Low VIN, Single Supply, 1.5A LDO	MIC61150	Low VIN, Single Supply, 1.5A LDO
MIC37102 1.0A Low Voltage ADJ. uCap LDO Regulator	MIC37102	1.0A Low Voltage ADJ. uCap LDO Regulator
MIC5280 120V, 25mA Low IQ, High PSRR LDO	MIC5280	120V, 25mA Low IQ, High PSRR LDO
MCP1827 1.5A LDO Regulator	MCP1827	1.5A LDO Regulator
TC2014 50mA CMOS LDO w/ Shutdown and Vref Bypass	TC2014	50mA CMOS LDO w/ Shutdown and Vref Bypass
MIC5236 Low Quiescent Current uCap LDO Regulator	MIC5236	Low Quiescent Current uCap LDO Regulator
TC2015 100mA CMOS LDO with Shutdown and Vref Bypass	TC2015	100mA CMOS LDO with Shutdown and Vref Bypass
MIC29303 3.0A LDO Adj. + Error Flag	MIC29303	3.0A LDO Adj. + Error Flag
MIC2941A 1.25A LDO Adj+Shutdown	MIC2941A	1.25A LDO Adj+Shutdown
MIC29712 7.5A LDO Adj. + Shutdown	MIC29712	7.5A LDO Adj. + Shutdown
MCP1825 500mA Low Voltage, Low IQ LDO	MCP1825	500mA Low Voltage, Low IQ LDO
MIC29302A 3.0A Fast-Response LDO	MIC29302A	3.0A Fast-Response LDO
MIC47053 500mA Adjustable Micropower ULDO, Linear Regulator with Power Good	MIC47053	500mA Adjustable Micropower ULDO, Linear Regulator with Power Good
MIC5282 120V/50mA Ultra Low Iq, High PSRR LDO	MIC5282	120V/50mA Ultra Low Iq, High PSRR LDO
MIC5295 Low Quiescent Current, High Vin 150mA LDO	MIC5295	Low Quiescent Current, High Vin 150mA LDO
TC1071 100mA Adjustable CMOS LDO w/ Shutdown	TC1071	100mA Adjustable CMOS LDO w/ Shutdown
MIC5283 120Vin 150mA Ultra-Low Iq High-PSRR LDO	MIC5283	120Vin 150mA Ultra-Low Iq High-PSRR LDO
MIC29152 1.5A LDO Adj. + Shutdown	MIC29152	1.5A LDO Adj. + Shutdown
MIC29204 400mA LDO 5v & Adj.+ Flag + Shutdown	MIC29204	400mA LDO 5v & Adj.+ Flag + Shutdown
TC1072 50mA CMOS LDO w/ Shutdown, Error Output, and Vref Bypass	TC1072	50mA CMOS LDO w/ Shutdown, Error Output, and Vref Bypass
MIC35302 3A, Adjustable Vout uCap LDO	MIC35302	3A, Adjustable Vout uCap LDO
MIC47050 500mA ULDO w/ Low Input and Low Output Voltage	MIC47050	500mA ULDO w/ Low Input and Low Output Voltage
MIC5323 300mA uCap ULDO High PSRR Low Noise Regulator	MIC5323	300mA uCap ULDO High PSRR Low Noise Regulator
MAQ5282 High Performance Linear Regulator, AEC-Q100	MAQ5282	High Performance Linear Regulator, AEC-Q100
TC1070 50mA Adjustable CMOS LDO w/ Shutdown	TC1070	50mA Adjustable CMOS LDO w/ Shutdown
MIC61300 Low VIN, Single Supply, 3A LDO	MIC61300	Low VIN, Single Supply, 3A LDO
MIC5318 High Performance 300mA uCap ULDO	MIC5318	High Performance 300mA uCap ULDO
TC2185 150mA CMOS LDO w/ Shutdown and Vref Bypass	TC2185	150mA CMOS LDO w/ Shutdown and Vref Bypass
MIC37152 Low Voltage, 1.5A uCap LDO	MIC37152	Low Voltage, 1.5A uCap LDO
MIC49150 Dual Supply, Low Voltage 1.5A LDO	MIC49150	Dual Supply, Low Voltage 1.5A LDO
MIC49300 Dual Supply, Low Voltage 3.0A LDO	MIC49300	Dual Supply, Low Voltage 3.0A LDO