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LT3750 датащи(PDF) 5 Page - Linear Technology |
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LT3750 датащи(HTML) 5 Page - Linear Technology |
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5 / 16 page ![]() LTC3226 5 3226fa TYPICAL PERFORMANCE CHARACTERISTICS LDO Output Transient Step Response Waveform Charge Pump Oscillator Frequency vs VCPO and Temperature Charge Pump Input Current vs CPO Output Voltage Charge Pump Charging Current vs CPO Output Voltage Charge Pump Input Current vs VIN with CPO Grounded LDO Load Regulation LDO Supply Regulation LDO Regulation Voltage vs Temperature LDO FET On-Resistance vs CPO Voltage and Temperature CPO VOLTAGE (V) 3.6 860 880 900 940 4.0 4.4 4.6 3226 G06 840 960 980 920 3.8 4.2 4.8 5.0 VIN = 3.3V T = –45°C T = 90°C T = 25°C CPO VOLTAGE (V) 0 150 200 250 3 5 3226 G07 100 50 0 12 4 300 350 400 RPROG = 33.3k RPROG = 100k RPROG = 50k 1x MODE VIN = 3.8V 2x MODE CPO VOLTAGE (V) 0 150 200 250 3 5 3226 G08 100 50 0 12 4 300 350 400 RPROG = 33.3k RPROG = 100k RPROG = 50k 1x MODE VIN = 3.8V 2x MODE VIN (V) 3.3 340 360 3.6 3.9 4.2 4.5 3226 G09 4.8 380 400 330 350 370 390 5.1 90°C 25°C –45°C RPROG = 33.2k VCPO = 0V IOUT (A) 3.280 3.290 3.300 3.275 3.285 3.295 0.001 0.1 1 10 3226 G01 3.270 0.01 CPO = 4V VOUT SET TO 3.3V CPO VOLTAGE (V) 3.4 3.280 3.285 3.295 3.300 3.305 3.6 4.4 4.8 3226 G02 3.290 3.310 4.2 5.2 3.8 4.0 4.6 5.0 IOUT = 10μA VOUT SET TO 3.3V TEMPERATURE (°C) –45 3.305 3.315 115 3226 G03 3.295 3.285 –5 35 75 –25 15 55 95 3.325 3.300 3.310 3.290 3.320 VCPO = 5V IOUT = 1mA CPO VOLTAGE (V) 2.2 350 300 250 200 150 100 50 0 3.7 4.7 3226 G04 2.7 3.2 4.2 5.2 T = 90°C T = –40°C T = 25°C LOAD = 500mA VOUT 50mV/DIV AC-COUPLED 1000mA IOUT 500μs/DIV 3226 G05 500mA TA = 25°C, unless otherwise noted. |
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