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LTC1261CS датащи(PDF) 4 Page - Linear Technology |
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LTC1261CS датащи(HTML) 4 Page - Linear Technology |
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4 / 16 page ![]() 4 LTC1261 TYPICAL PERFORMANCE CHARACTERISTICS Maximum Output Current vs Supply Voltage Supply Current vs Supply Voltage Output Voltage vs Output Current Output Voltage (Doubler Mode) vs Supply Voltage Output Voltage (Tripler Mode) vs Supply Voltage OUTPUT CURRENT (mA) 0 –3.9 –3.7 –3.5 –3.6 –3.8 –4.0 –4.2 –4.4 8 LT1261 • TP01 –4.1 –4.3 –4.5 2 135 79 4 6 10 VCC = 5V DOUBLER MODE VCC = 3.3V TRIPLER MODE TA = 25°C SUPPLY VOLTAGE (V) 5.0 –3.9 –3.7 –3.5 –3.6 –3.8 –4.0 –4.2 –4.4 6.6 LT1261 • TP02 –4.1 –4.3 –4.5 5.4 5.2 5.6 6.0 6.4 6.8 5.8 6.2 7.0 TA = 85°C TA = 25°C TA = –40°C SUPPLY VOLTAGE (V) 3 –4.5 –4.4 –4.3 –4.2 –4.1 –4.0 –3.9 –3.8 –3.7 –3.6 –3.5 4 5 LTC1261 • TPC03 6 7 TA = 85°C TA = 25°C TA = –40°C Supply Current vs Temperature SUPPLY VOLTAGE (V) 3.0 10 20 30 40 50 3.5 4.0 4.5 5.0 LTC1261 • TPC04 5.5 6.0 6.5 7.0 VOUT = –4V ±5% TA = 25°C TRIPLER MODE DOUBLER MODE SUPPLY VOLTAGE (V) 500 1000 600 800 700 900 1200 3.5 4.5 5.5 6.5 LTC1261 • TPC05 7.5 8.0 3.0 4.0 5.0 6.0 7.0 VOUT = –4V TA = 25°C TRIPLER MODE DOUBLER MODE TEMPERATURE (˚C) –40 900 1000 1200 20 60 LTC1261 • TPC06 800 700 –20 0 40 80 100 600 500 VOUT = –4V VCC = 5V DOUBLER MODE VCC = 3.3V TRIPLER MODE (See Test Circuits) Doubler Mode 1 2 3 4 8 7 6 5 LTC1261-4 SHDN REG OUT COMP VCC C1+ C1– GND 0.1 µF LTC1261 • TCO1 3.3 µF VOUT = –4V ±5% 5V 10 µF + 2 3 4 5 10 9 8 7 11 ADJ RADJ R1 R0 OUT C1+ C1– C2+ C2– 0.1 µF LTC1261 • TC02 6 14 0.1 µF 10 µF LTC1261CS VIN = 3.3V VCC GND 3.3 µF VOUT = –4V ±5% + TEST CIRCUITS Tripler Mode |
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