Datasheet LT3014 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 20mA, 3V to 80V Low Dropout Micropower Linear Regulator |
| Páginas / Página | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Reverse Output Current. Input Ripple … |
| Formato / tamaño de archivo | PDF / 185 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Reverse Output Current. Input Ripple Rejection. Minimum Input Voltage. Load Regulation
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Versión de texto del documento
LT3014
TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current Input Ripple Rejection Input Ripple Rejection
8 72 80 VIN = 0V VIN = 7V + 0.5VP-P VIN = 7V + 50mVRMS RIPPLE V I 7 OUT = VADJ = 1.22V 70 RIPPLE AT f = 120Hz 70 L = 20mA A) μ IL = 20mA 6 68 60 5 66 50 4 64 40 COUT = 4.7μF 3 62 30 2 RIPPLE REJECTION (dB) 60 RIPPLE REJECTION (dB) 20 REVERSE OUTPUT CURRENT ( 1 58 10 COUT = 0.47μF 0 56 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M TEMPERATURE (oC) TEMPERATURE (oC) FREQUENCY (Hz) 3014 G18 3014 G16 3014 G17
Minimum Input Voltage Load Regulation Output Noise Spectral Density
3.5 0 10 I C LOAD = 20mA $IL = 100μA TO 20mA Hz) OUT = 0.47μF V IL = 20mA 3.0 –5 OUT = 1.22V V/ M VOUT = 1.22V –10 2.5 1 –15 2.0 –20 1.5 –25 0.1 1.0 LOAD REGULATION (mV) –30 MINIMUM INPUT VOLTAGE (V) 0.5 –35 0 –40 OUTPUT NOISE SPECTRAL DENSITY ( 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k TEMPERATURE (oC) TEMPERATURE (oC) FREQUENCY (Hz) 3014 G19 3014 G20 3014 G21
10Hz to 100kHz Output Noise Transient Response
0.04 0.02 0 V V OUT –0.02 IN = 7V 200μV/DIV DEVIATION (V) VOUT = 5V OUTPUT VOLTAGE –0.04 CIN = COUT = 0.47μF CERAMIC $ILOAD = 1mA TO 5mA 6 4 COUT = 0.47μF 1ms/DIV 3014 G22 2 IL = 200mA VOUT = 1.22V LOAD CURRENT (mA) 0 0 200 400 600 800 1000 TIME (μs) 3014 G23 3014fd 6
TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current Input Ripple Rejection Input Ripple Rejection
8 72 80 VIN = 0V VIN = 7V + 0.5VP-P VIN = 7V + 50mVRMS RIPPLE V I 7 OUT = VADJ = 1.22V 70 RIPPLE AT f = 120Hz 70 L = 20mA A) μ IL = 20mA 6 68 60 5 66 50 4 64 40 COUT = 4.7μF 3 62 30 2 RIPPLE REJECTION (dB) 60 RIPPLE REJECTION (dB) 20 REVERSE OUTPUT CURRENT ( 1 58 10 COUT = 0.47μF 0 56 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M TEMPERATURE (oC) TEMPERATURE (oC) FREQUENCY (Hz) 3014 G18 3014 G16 3014 G17
Minimum Input Voltage Load Regulation Output Noise Spectral Density
3.5 0 10 I C LOAD = 20mA $IL = 100μA TO 20mA Hz) OUT = 0.47μF V IL = 20mA 3.0 –5 OUT = 1.22V V/ M VOUT = 1.22V –10 2.5 1 –15 2.0 –20 1.5 –25 0.1 1.0 LOAD REGULATION (mV) –30 MINIMUM INPUT VOLTAGE (V) 0.5 –35 0 –40 OUTPUT NOISE SPECTRAL DENSITY ( 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k TEMPERATURE (oC) TEMPERATURE (oC) FREQUENCY (Hz) 3014 G19 3014 G20 3014 G21
10Hz to 100kHz Output Noise Transient Response
0.04 0.02 0 V V OUT –0.02 IN = 7V 200μV/DIV DEVIATION (V) VOUT = 5V OUTPUT VOLTAGE –0.04 CIN = COUT = 0.47μF CERAMIC $ILOAD = 1mA TO 5mA 6 4 COUT = 0.47μF 1ms/DIV 3014 G22 2 IL = 200mA VOUT = 1.22V LOAD CURRENT (mA) 0 0 200 400 600 800 1000 TIME (μs) 3014 G23 3014fd 6