Datasheet LT3023 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Dual 100mA, Low Dropout, Low Noise, Micropower Regulator |
| Páginas / Página | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Input Ripple Rejection. … |
| Formato / tamaño de archivo | PDF / 281 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Input Ripple Rejection. Channel-to-Channel Isolation. Minimum Input Voltage
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LT3023
TYPICAL PERFORMANCE CHARACTERISTICS Input Ripple Rejection Input Ripple Rejection Channel-to-Channel Isolation
80 80 70 CBYP = 0.01μF 70 V 60 60 OUT1 20mV/DIV CBYP = 1000pF 50 C 50 BYP = 100pF 40 40 VOUT2 20mV/DIV 30 30 RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) 20 VIN = VOUT (NOMINAL) + 1V + 0.5V I P-P RIPPLE 3023 G21a 10 L = 100mA AT f = 120Hz 50μs/DIV V 10 IN = 2.3V + 50mVRMS RIPPLE I C C L = 50mA OUT1, COUT2 = 10μF OUT = 10μF 0 0 CBYP1, CBYP2 = 0.01μF 0.01 0.1 1 10 100 1000 –50 –25 0 25 50 75 100 125 ΔIL1 = 10mA to 100mA FREQUENCY (kHz) TEMPERATURE (°C) ΔIL2 = 10mA to 100mA VIN = 6V, VOUT1 = VOUT2 = 5V 3023 G19 3023 G20
Channel-to-Channel Isolation Minimum Input Voltage Load Regulation
100 2.5 0 ILOAD = 100mA PER CHANNEL 90 –1 80 2.0 –2 IL = 100mA 70 –3 60 1.5 –4 IL = 50mA 50 –5 40 1.0 –6 30 –7 LOAD REGULATION (mV) 20 MINIMUM INPUT VOLTAGE (V) 0.5 –8 CHANNEL-TO-CHANNEL ISOLATION (dB) 10 –9 ΔIL = 1mA TO 100mA 0 0 –10 0.01 0.1 1 10 100 1000 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 3023 G21b 3023 G22 3023 G23
RMS Output Noise vs Output Noise Spectral Density Output Noise Spectral Density Bypass Capacitor
) 10 ) 10 160 Hz COUT = 10μF Hz COUT = 10μF COUT = 10μF CBYP = 0 IL = 100mA I 140 L = 100mA IL = 100mA f = 10Hz TO 100kHz VOUT SET FOR 5V C ) 120 BYP = 1000pF 1 VOUT SET FOR 5V 1 RMS V C OUT SET FOR 5V BYP = 100pF 100 VOUT =VADJ 80 VOUT =VADJ 60 0.1 0.1 CBYP = 0.01μF OUTPUT NOISE (μV 40 VOUT =VADJ 20 OUTPUT NOISE SPECTRAL DENSITY (μV/√ OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 0.01 0 0.01 0.1 1 10 100 0.01 0.1 1 10 100 10 100 1k 10k FREQUENCY (kHz) FREQUENCY (kHz) CBYP (pF) 3023 G26 3023 G24 3023 G25 3023fa 6
TYPICAL PERFORMANCE CHARACTERISTICS Input Ripple Rejection Input Ripple Rejection Channel-to-Channel Isolation
80 80 70 CBYP = 0.01μF 70 V 60 60 OUT1 20mV/DIV CBYP = 1000pF 50 C 50 BYP = 100pF 40 40 VOUT2 20mV/DIV 30 30 RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) 20 VIN = VOUT (NOMINAL) + 1V + 0.5V I P-P RIPPLE 3023 G21a 10 L = 100mA AT f = 120Hz 50μs/DIV V 10 IN = 2.3V + 50mVRMS RIPPLE I C C L = 50mA OUT1, COUT2 = 10μF OUT = 10μF 0 0 CBYP1, CBYP2 = 0.01μF 0.01 0.1 1 10 100 1000 –50 –25 0 25 50 75 100 125 ΔIL1 = 10mA to 100mA FREQUENCY (kHz) TEMPERATURE (°C) ΔIL2 = 10mA to 100mA VIN = 6V, VOUT1 = VOUT2 = 5V 3023 G19 3023 G20
Channel-to-Channel Isolation Minimum Input Voltage Load Regulation
100 2.5 0 ILOAD = 100mA PER CHANNEL 90 –1 80 2.0 –2 IL = 100mA 70 –3 60 1.5 –4 IL = 50mA 50 –5 40 1.0 –6 30 –7 LOAD REGULATION (mV) 20 MINIMUM INPUT VOLTAGE (V) 0.5 –8 CHANNEL-TO-CHANNEL ISOLATION (dB) 10 –9 ΔIL = 1mA TO 100mA 0 0 –10 0.01 0.1 1 10 100 1000 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 3023 G21b 3023 G22 3023 G23
RMS Output Noise vs Output Noise Spectral Density Output Noise Spectral Density Bypass Capacitor
) 10 ) 10 160 Hz COUT = 10μF Hz COUT = 10μF COUT = 10μF CBYP = 0 IL = 100mA I 140 L = 100mA IL = 100mA f = 10Hz TO 100kHz VOUT SET FOR 5V C ) 120 BYP = 1000pF 1 VOUT SET FOR 5V 1 RMS V C OUT SET FOR 5V BYP = 100pF 100 VOUT =VADJ 80 VOUT =VADJ 60 0.1 0.1 CBYP = 0.01μF OUTPUT NOISE (μV 40 VOUT =VADJ 20 OUTPUT NOISE SPECTRAL DENSITY (μV/√ OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 0.01 0 0.01 0.1 1 10 100 0.01 0.1 1 10 100 10 100 1k 10k FREQUENCY (kHz) FREQUENCY (kHz) CBYP (pF) 3023 G26 3023 G24 3023 G25 3023fa 6