Datasheet LT3011 (Analog Devices) - 7
| Fabricante | Analog Devices |
| Descripción | 50mA, 3V to 80V Low Dropout Micropower Linear Regulator with PWRGD |
| Páginas / Página | 16 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 236 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current. Input Ripple Rejection
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Versión de texto del documento
LT3011
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current Reverse Output Current Input Ripple Rejection
160 80 90 VIN = 0V VIN = 7V + 0.5VP-P RIPPLE AT f = 120Hz V 140 70 OUT = VADJ = 1.24V 88 IL = 50mA ADJ PIN CLAMP V 86 OUT = 1.24V 120 (SEE APPLICATIONS 60 INFORMATION) 84 100 50 82 80 40 80 78 60 30 TJ = 25°C 76 40 V 20 RIPPLE REJECTION (dB) IN = 0V 74 CURRENT FLOWS REVERSE OUTPUT CURRENT (μA) REVERSE OUTPUT CURRENT (μA) 20 INTO OUTPUT PIN 10 72 VOUT = VADJ 0 0 70 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 OUTPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3011 G19 3011 G20 3011 G21
Input Ripple Rejection Minimum Input Voltage Load Regulation
100 4.0 0 VIN = 7V + 50mVRMS RIPPLE IL = 50mA ΔIL = 1mA TO 50mA 90 IL = 50mA, VOUT = 1.24V 3.5 VOUT = 1.24V –2 80 3.0 70 COUT = 10μF –4 CERAMIC 2.5 60 50 2.0 –6 40 1.5 –8 30 COUT = 1μF RIPPLE REJECTION (dB) CERAMIC 1.0 LOAD REGULATION (mV) 20 MINIMUM INPUT VOLTAGE (V) –10 0.5 10 0 0 –12 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 3011 G23 3011 G24 3011 G22
Output Noise Spectral Density Output Noise (10Hz to 100kHz) Transient Response
10 0.3 V V OUT = 1.24V OUT = 1.24V C C OUT = 1μF OUT = 1μF ) 0.2 I I L = 50mA L = 50mA WORST-CASE NOISE TAGE 1 0.1 TION (V VOUT 0 100μV/DIV DEVIA OUTPUT VOL 0.1 –0.1 –0.2 DENSITY (μV/ Hz) VIN = 6V OUTPUT NOISE SPECTRAL 0.01 50 VOUT SET FOR 5V 3011 G26 C 1ms/DIV IN = 1μF CERAMIC 25 COUT = 1μF CERAMIC LOAD ΔILOAD = 1mA TO 50mA 0.001 CURRENT (mA 0 10 100 1k 10k 100k 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (Hz) TIME (μs) 3011 G27 3011 G25 3011f 7
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. Reverse Output Current Reverse Output Current Input Ripple Rejection
160 80 90 VIN = 0V VIN = 7V + 0.5VP-P RIPPLE AT f = 120Hz V 140 70 OUT = VADJ = 1.24V 88 IL = 50mA ADJ PIN CLAMP V 86 OUT = 1.24V 120 (SEE APPLICATIONS 60 INFORMATION) 84 100 50 82 80 40 80 78 60 30 TJ = 25°C 76 40 V 20 RIPPLE REJECTION (dB) IN = 0V 74 CURRENT FLOWS REVERSE OUTPUT CURRENT (μA) REVERSE OUTPUT CURRENT (μA) 20 INTO OUTPUT PIN 10 72 VOUT = VADJ 0 0 70 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 OUTPUT VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3011 G19 3011 G20 3011 G21
Input Ripple Rejection Minimum Input Voltage Load Regulation
100 4.0 0 VIN = 7V + 50mVRMS RIPPLE IL = 50mA ΔIL = 1mA TO 50mA 90 IL = 50mA, VOUT = 1.24V 3.5 VOUT = 1.24V –2 80 3.0 70 COUT = 10μF –4 CERAMIC 2.5 60 50 2.0 –6 40 1.5 –8 30 COUT = 1μF RIPPLE REJECTION (dB) CERAMIC 1.0 LOAD REGULATION (mV) 20 MINIMUM INPUT VOLTAGE (V) –10 0.5 10 0 0 –12 10 100 1k 10k 100k 1M –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) 3011 G23 3011 G24 3011 G22
Output Noise Spectral Density Output Noise (10Hz to 100kHz) Transient Response
10 0.3 V V OUT = 1.24V OUT = 1.24V C C OUT = 1μF OUT = 1μF ) 0.2 I I L = 50mA L = 50mA WORST-CASE NOISE TAGE 1 0.1 TION (V VOUT 0 100μV/DIV DEVIA OUTPUT VOL 0.1 –0.1 –0.2 DENSITY (μV/ Hz) VIN = 6V OUTPUT NOISE SPECTRAL 0.01 50 VOUT SET FOR 5V 3011 G26 C 1ms/DIV IN = 1μF CERAMIC 25 COUT = 1μF CERAMIC LOAD ΔILOAD = 1mA TO 50mA 0.001 CURRENT (mA 0 10 100 1k 10k 100k 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (Hz) TIME (μs) 3011 G27 3011 G25 3011f 7