Datasheet LT3012B (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 250mA, 4V to 80V Low Dropout Micropower Linear Regulator |
| 页数 / 页 | 16 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. Output Noise Spectral Density. Load … |
| 文件格式/大小 | PDF / 220 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Output Noise Spectral Density. Load Regulation. 10Hz to 100kHz Output Noise
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LT3012B
W U TYPICAL PERFOR A CE CHARACTERISTICS Output Noise Spectral Density Load Regulation
10 0 COUT = 3.3µF ∆I √Hz) L = 1mA TO 250mA ILOAD = 250mA –2 µV/ –4 –6 1 –8 –10 –12 0.1 –14 LOAD REGULATION (mV) –16 –18 OUTPUT NOISE SPECTRAL DENSITY ( 0.01 –20 10 100 1k 10k 100k – 50 – 25 0 25 50 75 100 125 FREQUENCY (Hz) TEMPERATURE (°C) 3012B G22 3012B G21
10Hz to 100kHz Output Noise Transient Response
0.15 0.10 0.05 0 VOUT –0.05 100µV/DIV 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 COUT = 10µF 1ms/DIV 3012B G23 I 100 L = 250mA VOUT = 1.24V LOAD CURRENT (mA) 0 0 100 200 300 400 500 TIME (µs) 3012B G24 3012bf 6
W U TYPICAL PERFOR A CE CHARACTERISTICS Output Noise Spectral Density Load Regulation
10 0 COUT = 3.3µF ∆I √Hz) L = 1mA TO 250mA ILOAD = 250mA –2 µV/ –4 –6 1 –8 –10 –12 0.1 –14 LOAD REGULATION (mV) –16 –18 OUTPUT NOISE SPECTRAL DENSITY ( 0.01 –20 10 100 1k 10k 100k – 50 – 25 0 25 50 75 100 125 FREQUENCY (Hz) TEMPERATURE (°C) 3012B G22 3012B G21
10Hz to 100kHz Output Noise Transient Response
0.15 0.10 0.05 0 VOUT –0.05 100µV/DIV 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 COUT = 10µF 1ms/DIV 3012B G23 I 100 L = 250mA VOUT = 1.24V LOAD CURRENT (mA) 0 0 100 200 300 400 500 TIME (µs) 3012B G24 3012bf 6