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LTC3546IUFDTRPBF Datasheet(PDF) 8 Page - Linear Technology |
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LTC3546IUFDTRPBF Datasheet(HTML) 8 Page - Linear Technology |
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8 / 28 page  LTC3546 8 3546fb VIN (V) 3.5 3546 G34 5.5 4.5 4.0 5.0 3.0 2.5 2.0 6 4 0 –4 2 –2 –6 –8 –10 FREQ 143k TO GND FREQ TO VIN OUT2 RDS(ON) vs VIN OUT2 RDS(ON) vs VIN Frequency Variation vs VIN Frequency Variation vs Temperature OUT1 Minimum Peak Current vs VBMC1 TYPICAL PERFORMANCE CHARACTERISTICS VIN (V) 3.5 3546 G32 5.5 4.5 4.0 5.0 3.0 2.5 2.0 SW1D CONNECTED TO SW2 TA = 27°C 0.080 0.075 0.070 0.065 0.060 0.055 0.050 P-CHANNEL IMP N-CHANNEL IMP VIN (V) 3.5 3546 G33 5.5 4.5 4.0 5.0 3.0 2.5 2.0 SW1D CONNECTED TO SW1 TA = 27°C 0.120 0.115 0.105 0.095 0.110 0.100 0.090 0.085 0.075 0.080 0.070 P-CHANNEL IMP N-CHANNEL IMP TEMPERATURE (°C) 55 3546 G35 125 75 50 100 0 –25 –50 2 1 0 –4 –1 –2 –3 –5 –6 FREQ 143k TO GND FREQ TO VIN VBMC1 (V) 0.25 4.0 3.5 2.5 3.0 2.0 1.0 1.5 0.5 0 0.45 0.65 0.35 0.55 0.85 3546 G36 0.95 0.75 SW1D TO SW1 SW1D TO SW2 VIN = 3.6V VBMC1 (V) 0.25 6 5 4 2 3 1 0 0.45 0.65 0.35 0.55 0.85 3546 G37 0.95 0.75 SW1D TO SW1 SW1D TO SW2 VIN = 3.6V OUT2 Minimum Peak Current vs VBMC2 OUT2 Efficiency vs Frequency OUT1 RDS(ON) vs VIN OUT1 RDS(ON) vs VIN FREQUENCY (MHz) 3.5 3546 G29 4.0 3.0 2.5 2.0 1.5 1.0 0.5 SW1D CONNECTED TO SW1 VIN = 3.6V VOUT = 2.5V ILOAD = 400mA 95 94 93 92 91 90 86 87 88 89 85 VIN (V) 3.5 3546 G30 5.5 4.5 4.0 5.0 3.0 2.5 2.0 SW1D CONNECTED TO SW1 TA = 27°C 0.120 0.115 0.105 0.095 0.110 0.100 0.090 0.085 0.075 0.080 0.070 P-CHANNEL IMP N-CHANNEL IMP VIN (V) 3.5 3546 G31 5.5 4.5 4.0 5.0 3.0 2.5 2.0 SW1D CONNECTED TO SW2 TA = 27°C 0.24 0.23 0.21 0.19 0.22 0.20 0.18 0.17 0.16 0.15 P-CHANNEL IMP N-CHANNEL IMP |
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