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LTC3371 Datasheet(PDF) 7 Page - Analog Devices |
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LTC3371 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 26 page  LTC3307A 7 Rev. A For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS V IN = 3.3V, TA = 25°C, unless otherwise noted. UV, OV PGOOD Thresholds Efficiency, VIN = 2.5V Burst Mode Operation Efficiency vs fSW, 3.3VIN to 1.2VOUT, ILOAD = 1.5A Efficiency, VIN = 3.3V Burst Mode Operation Efficiency vs VIN, VOUT = 1.2V, fSW = 2MHz, Burst Mode Operation Efficiency, VIN = 5.0V Burst Mode Operation Efficiency vs Load, 3.3V to 1.2V, fSW = 2MHz VOUT Load Regulation in VOUT = 1.2V Application VOUT Line Regulation in VOUT = 1.2V Application fSW = 2MHz, Murata DFE201612E–R47M BURST FC PULSE SKIP ILOAD (A) 0.001 0.01 0.1 1 3 0 10 20 30 40 50 60 70 80 90 100 fSW = 2MHz Efficiency vs Load, 3.3V to 1.2V, 3307A G27 fSW = 2MHz Murata DFE201210S–R47M VOUT = 1V VOUT = 1.2V VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V ILOAD (A) 0.001 0.01 0.1 1 3 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation Efficiency, VIN = 5V 3307A G24 ILOAD = 0A ILOAD = 3A INPUT VOLTAGE (V) 2 2.5 3 3.5 4 4.5 5 5.5 1.188 1.190 1.192 1.194 1.196 1.198 1.200 1.202 1.204 1.206 1.208 1.210 1.212 Vout = 1.2V Application Vout Line Regulation in 3307A G21 fSW = 2MHz Murata DFE201612E–R47M 0.01A (BURSTING) 3A (CONTINUOUS) VIN (V) 2 2.5 3 3.5 4 4.5 5 5.5 75 77 79 81 83 85 87 89 91 93 95 Burst Mode Operation Efficiency vs VIN, VOUT = 1.2V 3307A G26 fSW = 2MHz Murata DFE201210S–R47M VOUT = 0.5V VOUT = 0.75V VOUT = 1V VOUT = 1.2V VOUT = 1.8V ILOAD (A) 0.001 0.01 0.1 1 3 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation Efficiency, VIN = 3.3V 3307A G23 VIN = 2.25V VIN = 3.3V VIN = 5.5V ILOAD (A) 0 0.5 1 1.5 2 2.5 3 1.188 1.190 1.192 1.194 1.196 1.198 1.200 1.202 1.204 1.206 1.208 1.210 1.212 VOUT = 1.2V Application VOUT Load Regulation in 3307 G20 Murata DFE201612E SERIES 330nH 470nH 680nH SWITCHING FREQUENCY (MHz) 1 1.4 1.8 2.2 2.6 3.0 88 89 90 91 92 93 3.3Vin to 1.2Vout, Iload = 1.5A Efficiency vs Fsw 3307A G25 fSW = 2MHz Murata DFE201210S–R47M VOUT = 0.5V VOUT = 0.75V VOUT = 1V VOUT = 1.2V VOUT = 1.8V ILOAD (A) 0.001 0.01 0.1 1 3 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation Efficiency, VIN = 2.5V 3307A G22 UV, VOUT RISING UV, VOUT FALLING OV, VOUT RISING OV, VOUT FALLING TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 96 98 100 102 104 106 108 110 112 UV, OV PGOOD Thresholds 3307A G19 |
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