Datasheet LT3024 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Dual 100mA/500mA Low Dropout, Low Noise, Micropower Regulator |
| Pages / Page | 20 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. Output 1 Minimum Input Voltage. … |
| File Format / Size | PDF / 264 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Output 1 Minimum Input Voltage. Channel-to-Channel Isolation. Output 2 Load Regulation
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Text Version of Document
LT3024
TYPICAL PERFORMANCE CHARACTERISTICS Output 1 Minimum Input Voltage Channel-to-Channel Isolation Channel-to-Channel Isolation
2.50 100 VOUT = 1.22V 2.25 90 CHANNEL 2 2.00 IL = 500mA 80 VOUT1 20mV/DIV 1.75 70 CHANNEL 1 1.50 IL = 1mA 60 1.25 50 VOUT2 1.00 40 20mV/DIV 0.75 30 GIVEN CHANNEL IS TESTED WITH 50mV MINIMUM INPUT VOLTAGE (V) 0.50 20 RMS SIGNAL ON OPPOSING CHANNEL, BOTH 50μs/DIV 3024 G50 0.25 CHANNEL-TO-CHANNEL ISOLATION (dB) 10 CHANNELS DELIVERING FULL C CURRENT OUT1 = 22μF C 0 0 OUT2 = 10μF –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M CBYP1 = CBYP2 = 0.01μF TEMPERATURE (°C) ΔI FREQUENCY (Hz) L1 = 50mA TO 500mA ΔIL2 = 10mA TO 100mA 3024 G33 3024 G34 VIN = 6V, VOUT1 = VOUT2 = 5V
Output 2 Load Regulation Output 1 Load Regulation Output Noise Spectral Density
0 5 ) 10 ΔIL = 1mA TO 500mA Hz COUT = 10μF –1 CBYP = 0 I –2 L = FULL LOAD –3 0 1 VOUT SET FOR 5V –4 –5 VOUT =VADJ –6 –5 0.1 –7 LOAD REGULATION (mV) LOAD REGULATION (mV) –8 –9 ΔIL = 1mA TO 100mA –10 –10 OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 100 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (kHz) 3024 G35 3024 G36 3024 G37
RMS Output Noise Output Noise Spectral Density vs Bypass Capacitor
10 140 ) COUT = 10μF V Hz OUT = 5V COUT = 10μF IL = FULL LOAD IL = FULL LOAD 120 fBW = 10Hz TO 100kHz VOUT SET FOR 5V ) CBYP = 1000pF 100 CHANNEL 2 1 RMSV CBYP = 100pF 80 CHANNEL 1 VOUT =VADJ 60 VOUT = 1.22V CHANNEL 2 0.1 CBYP = 0.01μF OUTPUT NOISE (μ 40 CHANNEL 1 20 OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 0 0.01 0.1 1 10 100 10 100 1000 10000 FREQUENCY (kHz) CBYP (pF) 3023 G38 3024 G39 3024fa 9
TYPICAL PERFORMANCE CHARACTERISTICS Output 1 Minimum Input Voltage Channel-to-Channel Isolation Channel-to-Channel Isolation
2.50 100 VOUT = 1.22V 2.25 90 CHANNEL 2 2.00 IL = 500mA 80 VOUT1 20mV/DIV 1.75 70 CHANNEL 1 1.50 IL = 1mA 60 1.25 50 VOUT2 1.00 40 20mV/DIV 0.75 30 GIVEN CHANNEL IS TESTED WITH 50mV MINIMUM INPUT VOLTAGE (V) 0.50 20 RMS SIGNAL ON OPPOSING CHANNEL, BOTH 50μs/DIV 3024 G50 0.25 CHANNEL-TO-CHANNEL ISOLATION (dB) 10 CHANNELS DELIVERING FULL C CURRENT OUT1 = 22μF C 0 0 OUT2 = 10μF –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M CBYP1 = CBYP2 = 0.01μF TEMPERATURE (°C) ΔI FREQUENCY (Hz) L1 = 50mA TO 500mA ΔIL2 = 10mA TO 100mA 3024 G33 3024 G34 VIN = 6V, VOUT1 = VOUT2 = 5V
Output 2 Load Regulation Output 1 Load Regulation Output Noise Spectral Density
0 5 ) 10 ΔIL = 1mA TO 500mA Hz COUT = 10μF –1 CBYP = 0 I –2 L = FULL LOAD –3 0 1 VOUT SET FOR 5V –4 –5 VOUT =VADJ –6 –5 0.1 –7 LOAD REGULATION (mV) LOAD REGULATION (mV) –8 –9 ΔIL = 1mA TO 100mA –10 –10 OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0.01 0.1 1 10 100 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (kHz) 3024 G35 3024 G36 3024 G37
RMS Output Noise Output Noise Spectral Density vs Bypass Capacitor
10 140 ) COUT = 10μF V Hz OUT = 5V COUT = 10μF IL = FULL LOAD IL = FULL LOAD 120 fBW = 10Hz TO 100kHz VOUT SET FOR 5V ) CBYP = 1000pF 100 CHANNEL 2 1 RMSV CBYP = 100pF 80 CHANNEL 1 VOUT =VADJ 60 VOUT = 1.22V CHANNEL 2 0.1 CBYP = 0.01μF OUTPUT NOISE (μ 40 CHANNEL 1 20 OUTPUT NOISE SPECTRAL DENSITY (μV/√ 0.01 0 0.01 0.1 1 10 100 10 100 1000 10000 FREQUENCY (kHz) CBYP (pF) 3023 G38 3024 G39 3024fa 9
