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LTC3703 数据表(PDF) 7 Page - Linear Technology |
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LTC3703 数据表(HTML) 7 Page - Linear Technology |
7 / 38 page LTC3895 7 3895fa For more information www.linear.com/LTC3895 Typical perForMance characTerisTics SENSE– Pin Input Current vs VSENSE Voltage SENSE– Pin Input Bias Current vs Temperature Undervoltage Lockout Threshold vs Temperature Foldback Current Limit Maximum Current Sense Threshold vs ITH Voltage RUN/OVLO Threshold vs Temperature DRVCC and EXTVCC vs Load Current EXTVCC Switchover and DRVCC Voltages vs Temperature EXTVCC Switchover and DRVCC Voltages vs Temperature EXTVCC = 5V VIN LDO (No NDRV FET), EXTVCC = 0V NDRV LDO (NDRV FET), EXTVCC = 0V EXTVCC = 8.5V DRVUV = DRVSET = 0V LOAD CURRENT (mA) 0 20 40 60 80 100 4.0 4.5 5.0 5.5 6.0 6.5 3895 G10 DRVUV = DRVSET = 0V EXTVCC RISING EXTVCC FALLING EXTVCC = 8.5V NDRV LDO (NDRV FET), EXTVCC = 0V VIN LDO (No NDRV FET), EXTVCC = 0V, TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 4.0 4.5 5.0 5.5 6.0 6.5 3895 G11 DRVUV = DRVSET = INTVCC EXTVCC RISING EXTVCC FALLING EXTVCC = 8.5V NDRV LDO (NDRV NFET), EXTVCC = 0V VIN LDO (No NDRV NFET), EXTVCC = 0V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 3895 G12 VSENSE COMMON MODE VOLTAGE (V) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 0 100 200 300 400 500 600 700 800 900 1000 3895 G13 VOUT ≥ INTVCC + 0.5V VOUT ≤ INTVCC – 0.5V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 1000 3895 G14 RISING RISING FALLING FALLING DRVUV = INTVCC DRVUV = 0V TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 3895 G15 ILIM = FLOAT ILIM = GND ILIM = INTVCC FEEDBACK VOLTAGE (mV) 0 100 200 300 400 500 600 700 800 0 10 20 30 40 50 60 70 80 90 100 3895 G16 5% DUTY CYCLE PULSE–SKIPPING BURST MODE OPERATION ILIM = GND ILIM = INTVCC ILIM = FLOAT FORCED CONTINUOUS VITH (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 –40 –20 0 20 40 60 80 100 3895 G17 OVLO RISING RUN RISING RUN FALLING OVLO FALLING TEMPERATURE (°C) –75 –50 –25 0 25 50 75 100 125 150 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 3895 G18 |
类似零件编号 - LTC3703 |
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类似说明 - LTC3703 |
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