Datasheet LT3030 (Analog Devices) - 9

LT3030
Typical perForMance characTerisTics TJ = 25°C, unless otherwise noted. OUT1 or OUT2 Load Regulation OUT1 or OUT2 Line Regulation Output Noise Spectral Density
10 5 ) 10 ∆IL = 1mA TO FULL LOAD ∆VIN = 2V TO 20V Hz TJ = 25°C 8 4 V/√ COUT = 10µF C 6 3 BYP = 0 Y (µ IL = FULL LOAD 4 2 VOUT = 5V 1 2 1 TION (mV) TION (mV) V 0 0 OUT = VADJ –2 –1 0.1 –4 –2 LOAD REGULA LINE REGULA –6 –3 –8 –4 –10 OUTPUT NOISE SPECTRAL DENSIT –5 0.01 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 0.01 0.1 1 10 100 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (kHz) 3030 G37 3030 G38 3030 G39
RMS Output Noise vs Bypass OUT1 RMS Output Noise Output Noise Spectral Density Capacitor vs Output Current (10Hz to 100kHz)
) 10 160 160 Hz TJ = 25°C T T J = 25°C J = 25°C C V/√ COUT = 10µF 140 COUT = 10µF 140 OUT = 10µF I VOUT = 5V L = FULL LOAD I Y (µ L = FULL LOAD ) f ) 120 V 120 BW = 10Hz TO 100kHz OUT = 5V VOUT1 = 5V 1 V RMS OUTPUT2 C 100 V RMS 100 BYP1 = 0 CBYP = 100pF OUTPUT1 80 80 VOUT1 = VADJ1 CBYP1 = 0 V 60 VOUT = 1.220V 60 0.1 OUT = VADJ OUTPUT NOISE (µ 40 OUTPUT NOISE (µ 40 CBYP = 0.01µF VOUT1 = VADJ1 OUTPUT1 C 20 OUTPUT2 20 V BYP = 1000pF OUT1 = 5V C OUTPUT NOISE SPECTRAL DENSIT BYP1 = 10nF 0.01 0 0 0.01 0.1 1 10 100 10 100 1000 10000 0.01 0.1 1 10 100 1000 FREQUENCY (Hz) CBYP (pF) OUTPUT CURRENT (mA) 3030 G40 3030 G41 3030 G42
OUT2 RMS Output Noise Start-Up Time from Shutdown Start-Up Time from Shutdown vs Output Current (10Hz to 100kHz) CBYP = 0pF CBYP = 0.01µF
160 TJ = 25°C 140 COUT = 10µF ) 120 VOUT VOUT2 = 5V 1V/DIV VOUT V RMS C 1V/DIV 100 BYP2 = 0 80 VOUT2 = VADJ2 CBYP2 = 0 SHDN SHDN 60 VOLTAGE VOLTAGE OUTPUT NOISE (µ 2V/DIV 2V/DIV 40 20 V CBYP2 = 10nF 1ms/DIV 3030 G44 1ms/DIV 3030 G45 OUT2 = 5V V V IN = 2.5V IL = FULL LOAD VIN = 2.5V IL = FULL LOAD OUT2 = VADJ2 0 CIN = 10µF TJ = 25°C CIN = 10µF TJ = 25°C 0.01 0.1 1 10 100 1000 COUT = 10µF VOUT = 1.5V COUT = 10µF VOUT = 1.5V OUTPUT CURRENT (mA) 3030 G43 3030fa For more information www.linear.com/LT3030 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Revision History Typical Application Related Parts