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PI3749-00-EVAL1 Datasheet(PDF) 8 Page - Vicor Corporation |
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PI3749-00-EVAL1 Datasheet(HTML) 8 Page - Vicor Corporation |
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8 / 26 page  Cool-Power® ZVS Switching Regulators Rev 1.8 vicorpower.com Page 8 of 26 03/2017 800 927.9474 PI3749-x0 Electrical Characteristics (Cont.) Specifications apply for the conditions -40°C < TJ < 115°C, VIN = 16V – 34V, VOUT = 24V, LEXT = 480nH[4], external CIN = COUT = 20µF, unless otherwise noted. Parameter Symbol Conditions Min Typ Max Unit General Purpose Amplifier Open Loop Gain [5] 96 120 140 dB Small Signal Gain-Bandwidth [5] 5 7 12 MHz Offset -1 0.2 1 mV Common Mode Input Range -0.1 2.5 V Differential Mode Input Range 2 V Maximum Output Voltage IDIFF = -1mA VDR - 0.2V V Minimum Output Voltage No Load 20 mV Capacitive Load for Stable Operation [5] 0 100 pF Slew Rate 10 V/µs Output Current -1 1 mA Transconductance Error Amplifier Reference VREF EAIN = EAO 1.667 1.7 1.734 V Input Range VEAIN Note VEAIN_OV below 0 VDR V Maximum Output Voltage 3.45 4.0 V Minimum Output Voltage 0 0.1 V Transconductance Factory Set 7.6 mS Zero Resistor Factory Set 7.0 k Ω EAO Output Current Sourcing VEAO = 50mV, VEAIN = 0V 400 µA EAO Output Current Sinking VEAO = 2V, VEAIN = 5V 400 µA Open Loop Gain ROUT > 1MΩ [5] 70 80 dB Control and Protection Switching Frequency FSW VIN = VOUT = 24V, IOUT = 2A 800 kHz Switching Frequency FSW VIN = 16V, VOUT = 12V, IOUT = 7A 480 kHz VEAO Pulse Skip Threshold VEAO_PST VEAO to SGND 0.6 V Control Node Range VRAMP 0 3.3 V VEAO Overload Threshold VEAO_OL VEAO to SGND 3.2 3.4 V Overload Timeout TOL VEAO > VEAO_OL 1 ms VOUT Slow Current Limit VOUT_SCL 10µs time constant 18 A VEAIN Output Overvoltage Threshold VEAIN_OV VEAIN > VEAIN_OV 2.04 V Overtemperature Fault Threshold TOTP [5] 125 129 °C Overtemperature Restart Hysteresis TOPT_HYS [5] 30 °C VOUT Negative Fault Threshold -0.35 -0.25 -0.15 V [4] See Inductor Pairing section. [5] Assured to meet performance specification by design, test correlation, characterization, and/or statistical process control. [6] Output current capability varies with input & output voltage. See performance curves in Figures 15 – 17. |
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