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LTC1704 数据表(PDF) 6 Page - Linear Technology |
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LTC1704 数据表(HTML) 6 Page - Linear Technology |
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6 / 28 page  LTC1704/LTC1704B 6 1704bfa TYPICAL PERFOR A CE CHARACTERISTICS VOUTREG Load Regulation Linear Regulator Dropout Voltage vs Temperature IOUTREG (A) 0 –0.5 0 0.5 1.6 1704 G18 –1.0 –1.5 0.4 0.8 1.2 2 –2.0 –2.5 –3.0 – 0.03 0.03 0 –0.07 –0.10 –0.13 –0.17 –0.20 TA = 25°C VOUTREG = 1.5V IREGILM = 9µA QEXT = D44H11 TEMPERATURE ( °C) –50 1.0 25 1704 G19 0.7 0.5 –25 0 50 0.4 0.3 1.1 0.9 0.8 0.6 75 100 125 IREGDR = –30mA VREGDR = 3.3V VOUTREG 0.1A to 2.1A Load Step 50 µs/DIV 1704 G20 CH1: VOUTREG = 1.5V, AC 50mV/DIV CH2: 0.1A to 2.1A LOAD, 1A DIV Minimum VCC vs VOUTREG VOUTREG (V) 0.9 3.0 3.5 4.0 4.5 5.0 5.5 1.3 1.7 2.1 2.5 1704 G21 2.9 3.3 IREGILM = 9µA IOUTREG = 2A ∆VOUTREG = –1% QEXT = D44H11 TA = –40°C TA = 25°C CDELAY (pF) 0 300 900 1000 1100 6000 8000 1704 G22 100 700 500 200 800 0 600 400 2000 4000 10000 TA = 25°C VOUTREG = 1.5V IREGILM = 6.2µA IREGILM = 9µA IREGILM (µA) 0 35 30 25 20 15 10 5 0 610 1704 G23 24 812 Linear Regulator Start-Up Time vs CDELAY IREGDR vs IREGILM Linear Regulator Current Limit Threshold vs Temperature TEMPERATURE ( °C) –50 1.0 1.5 2.0 2.5 3.0 –25 0 25 50 1704 G24 75 100 125 VINREG = 1.8V VOUTREG = 1.5V IREGILM = 9µA QEXT = D44H11 IOUTREG (A) 0 0 0.5 1.0 1.5 2.0 0.5 1 1.5 2 1704 G25 2.5 3 TA = 25°C VINREG = 1.8V VOUTREG = 1.5V IREGILM = 9µA QEXT = D44H11 VOUTREG vs Load Current VREGFB (V) 0 0 5 10 15 20 0.2 0.4 0.6 0.8 1704 G28 25 30 0.1 0.3 0.5 0.7 IREGILM = 9µA IREGILM = 6.2µA TA = 25°C VREGDR = 0V IREGDR vs VREGFB VOUT ILOAD |
类似零件编号 - LTC1704 |
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类似说明 - LTC1704 |
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