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LTC3312SAAVPBF Arkusz danych(PDF) 7 Page - Analog Devices |
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LTC3312SAAVPBF Arkusz danych(HTML) 7 Page - Analog Devices |
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7 / 28 page  LTC3312SA 7 Rev. 0 For more information www.analog.com UV, OV PGOOD Thresholds VOUT Load Regulation for the VOUT = 1.2V Application Forced Continuous Mode TYPICAL PERFORMANCE CHARACTERISTICS VOUT Line Regulation for the VOUT = 1.2V Application Forced Continuous Mode SSTT Current vs Temperature SSTT Voltage vs Temperature Efficiency, VIN = 3.3V, VOUT = 1.2V, All Modes Efficiency, VIN = 2.5V, Burst Mode Operation Efficiency, VIN = 3.3V, Burst Mode Operation Efficiency, VIN = 5.0V, Burst Mode Operation UV, VOUT RISING UV, VOUT FALLING OV, VOUT RISING OV, VOUT FALLING TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 94 96 98 100 102 104 106 108 110 112 114 UV, OV PGOOD Thresholds 3312SA G19 VIN = 2.5V VIN = 3.3V VIN = 5V ILOAD (A) 0 1 2 4 5 6 1.196 1.197 1.198 1.199 1.200 1.201 1.202 1.203 1.204 Forced Continuous Mode VOUT = 1.2V Application VOUT Load Regulation in 3312SA G20 ILOAD = 0A ILOAD = 1A ILOAD = 3A ILOAD = 6A INPUT VOLTAGE (V) 2.5 3 3.5 4 4.5 5 5.5 1.196 1.197 1.198 1.199 1.200 1.201 1.202 1.203 1.204 Forced Continuous Mode VOUT = 1.2V Application VOUT Line Regulation in 3312SA G21 VIN = 2.5V VIN = 3.3V VIN = 5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 SSTT Current vs Temperature 3312SA G22 VIN = 2.5V VIN = 3.3V VIN = 5V TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0.60 0.80 1.00 1.20 1.40 1.60 1.80 SSTT Voltage vs Temperature 3312SA G23 fSW = 2MHz TDK TFM252012ALMAR22MTAA FC MODE Burst Mode OPERATION PULSE-SKIP ILOAD (A) 0.001 0.01 0.1 1 6 0 10 20 30 40 50 60 70 80 90 100 VOUT = 1.2V, All Modes 3312SA G24 fSW = 2MHz, COILCRAFT XEL3515-221 VOUT = 0.5V VOUT = 0.75V VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V ILOAD (A) 0.001 0.01 0.1 1 6 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation 3312SA G25 fSW = 2MHz, COILCRAFT XEL3515-221 VOUT = 0.5V VOUT = 0.75V VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V ILOAD (A) 0.001 0.01 0.1 1 6 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation 3312SA G26 fSW = 2MHz, COILCRAFT XEL3515-221 VOUT = 0.5V VOUT = 0.75V VOUT = 1.0V VOUT = 1.2V VOUT = 1.8V ILOAD (A) 0.001 0.01 0.1 1 6 50 55 60 65 70 75 80 85 90 95 100 Burst Mode Operation 3312SA G27 TA = 25°C, unless otherwise noted. |
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