Datasheet LTC3806 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Synchronous Flyback DC/DC Controller |
| 页数 / 页 | 20 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Maximum Sense Threshold. SENSE Pin … |
| 文件格式/大小 | PDF / 219 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Maximum Sense Threshold. SENSE Pin Current. Frequency vs Temperature. vs Temperature
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LTC3806
W U TYPICAL PERFOR A CE CHARACTERISTICS Maximum Sense Threshold SENSE Pin Current Frequency vs Temperature vs Temperature vs Temperature
260 155 32.0 154 153 255 μA) 31.5 152 151 250 150 31.0 149 FREQUENCY (kHz) 148 245 SENSE PIN CURRENT ( 30.5 MAX SENSE THRESHOLD (mV) 147 146 240 145 30.0 –40 –15 10 35 60 85 –40 –15 10 35 60 85 –40 –15 10 35 60 85 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3806 G11 3806 G12 3806 G13
INTVCC Load Regulation INTVCC Line Regulation
7.020 7.020 TA = 25°C 7.015 7.015 7.010 7.010 7.005 7.005 VOLTAGE (V) VOLTAGE (V) CC CC 7.000 7.000 INTV INTV 6.995 6.995 6.990 6.990 0 10 20 30 40 50 10 12 14 16 18 20 INTVCC LOAD (mA) VIN (V) 3806 G14 3806 G15
INTVCC Dropout Voltage vs Current, Temperature Efficiency vs Output Power
2.8 90 FIGURE 8 CIRCUIT 2.7 TA = –40°C 2.6 2.5 TA = 0°C 85 2.4 TA = 25°C 2.3 TA = 55°C 2.2 EFFICIENCY (%) 80 DROPOUT VOLTAGE (V) 2.1 TA = 85°C 2.0 1.9 75 0 10 20 30 40 50 10 20 30 40 50 60 70 80 90 100 INTVCC LOAD (mA) % OF MAXIMUM OUTPUT POWER 3806 G16 3806 G17 3806fb 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Maximum Sense Threshold SENSE Pin Current Frequency vs Temperature vs Temperature vs Temperature
260 155 32.0 154 153 255 μA) 31.5 152 151 250 150 31.0 149 FREQUENCY (kHz) 148 245 SENSE PIN CURRENT ( 30.5 MAX SENSE THRESHOLD (mV) 147 146 240 145 30.0 –40 –15 10 35 60 85 –40 –15 10 35 60 85 –40 –15 10 35 60 85 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3806 G11 3806 G12 3806 G13
INTVCC Load Regulation INTVCC Line Regulation
7.020 7.020 TA = 25°C 7.015 7.015 7.010 7.010 7.005 7.005 VOLTAGE (V) VOLTAGE (V) CC CC 7.000 7.000 INTV INTV 6.995 6.995 6.990 6.990 0 10 20 30 40 50 10 12 14 16 18 20 INTVCC LOAD (mA) VIN (V) 3806 G14 3806 G15
INTVCC Dropout Voltage vs Current, Temperature Efficiency vs Output Power
2.8 90 FIGURE 8 CIRCUIT 2.7 TA = –40°C 2.6 2.5 TA = 0°C 85 2.4 TA = 25°C 2.3 TA = 55°C 2.2 EFFICIENCY (%) 80 DROPOUT VOLTAGE (V) 2.1 TA = 85°C 2.0 1.9 75 0 10 20 30 40 50 10 20 30 40 50 60 70 80 90 100 INTVCC LOAD (mA) % OF MAXIMUM OUTPUT POWER 3806 G16 3806 G17 3806fb 5