Datasheet LT3013B (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 250mA, 4V to 80V Low Dropout Micropower Linear Regulator with PWRGD |
| Seiten / Seite | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Reverse Output Current. Input Ripple … |
| Dateiformat / Größe | PDF / 178 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Reverse Output Current. Input Ripple Rejection. Minimum Input Voltage. Load Regulation
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LT3013B
TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current Input Ripple Rejection Input Ripple Rejection
35 92 100 VIN = 0V VIN = 4.5V + 50mVRMS RIPPLE VOUT = VADJ = 1.24V 88 90 ILOAD = 250mA 30 80 84 25 70 80 60 20 76 50 COUT = 10μF 15 72 40 30 10 RIPPLE REJECTION (dB) 68 RIPPLE REJECTION (dB) V 20 IN = 4.5V + 0.5VP-P RIPPLE AT f = 120Hz REVERSE OUTPUT CURRENT (μA) 5 64 IL = 250mA 10 COUT = 3.3μF VOUT = 1.24V 0 60 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 3013 G17 3013 G18 3013 G19
Minimum Input Voltage Load Regulation Output Noise Spectral Density
4.0 0 ) 10 ILOAD = 250mA $I C L = 1mA TO 250mA Hz OUT = 3.3μF 3.5 –2 ILOAD = 250mA –4 3.0 –6 1 2.5 –8 2.0 –10 1.5 –12 0.1 –14 1.0 LOAD REGULATION (mV) MINIMUM INPUT VOLTAGE (V) –16 0.5 –18 0 –20 OUTPUT NOISE SPECTRAL DENSITY (mV/√ 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 3013 G20 3013 G21 3013 G22
10Hz to 100Hz Output Noise Transition Response
0.15 0.10 0.05 0 VOUT 100μV/DIV –0.05 DEVIATION (V) V OUTPUT VOLTAGE IN = 6V –0.10 VOUT = 5V –0.15 CIN = 3.3μF CERAMIC COUT = 3.3μF CERAMIC 300 $ILOAD = 100mA TO 200mA 200 1ms/DIV 3013B G23 COUT = 10μF I 100 L = 250mA VOUT = VADJ LOAD CURRENT (mA) 0 0 100 200 300 400 500 TIME (μs) 3013 G24 3013bfb 6
TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current Input Ripple Rejection Input Ripple Rejection
35 92 100 VIN = 0V VIN = 4.5V + 50mVRMS RIPPLE VOUT = VADJ = 1.24V 88 90 ILOAD = 250mA 30 80 84 25 70 80 60 20 76 50 COUT = 10μF 15 72 40 30 10 RIPPLE REJECTION (dB) 68 RIPPLE REJECTION (dB) V 20 IN = 4.5V + 0.5VP-P RIPPLE AT f = 120Hz REVERSE OUTPUT CURRENT (μA) 5 64 IL = 250mA 10 COUT = 3.3μF VOUT = 1.24V 0 60 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 3013 G17 3013 G18 3013 G19
Minimum Input Voltage Load Regulation Output Noise Spectral Density
4.0 0 ) 10 ILOAD = 250mA $I C L = 1mA TO 250mA Hz OUT = 3.3μF 3.5 –2 ILOAD = 250mA –4 3.0 –6 1 2.5 –8 2.0 –10 1.5 –12 0.1 –14 1.0 LOAD REGULATION (mV) MINIMUM INPUT VOLTAGE (V) –16 0.5 –18 0 –20 OUTPUT NOISE SPECTRAL DENSITY (mV/√ 0.01 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 3013 G20 3013 G21 3013 G22
10Hz to 100Hz Output Noise Transition Response
0.15 0.10 0.05 0 VOUT 100μV/DIV –0.05 DEVIATION (V) V OUTPUT VOLTAGE IN = 6V –0.10 VOUT = 5V –0.15 CIN = 3.3μF CERAMIC COUT = 3.3μF CERAMIC 300 $ILOAD = 100mA TO 200mA 200 1ms/DIV 3013B G23 COUT = 10μF I 100 L = 250mA VOUT = VADJ LOAD CURRENT (mA) 0 0 100 200 300 400 500 TIME (μs) 3013 G24 3013bfb 6