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FAN5068MPX Folha de dados(PDF) 7 Page - Fairchild Semiconductor |
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FAN5068MPX Folha de dados(HTML) 7 Page - Fairchild Semiconductor |
7 / 18 page FAN5068 PRODUCT SPECIFICATION REV. 1.0.1 9/9/04 7 SS Complete Threshold 1.5 V SS Complete Hysteresis 50 mV PWM Converter Load Regulation IOUT from 0 to 16A –2 +2 % FB Bias Current 0.75 1 1.25 µA Under-Voltage Shutdown As % of set point. 2µs noise filter 65 75 80 % ISNS Over-Current threshold RILIM = 56kΩ 145 170 195 µA Over-Voltage threshold As % of set point 110 115 120 % PWM Output Driver HDRV Output Resistance Sourcing 1.8 3 Ω Sinking 1.8 3 Ω LDRV Output Resistance Sourcing 1.8 3 Ω Sinking 1.2 2 Ω PGOOD (Power Good Output) and Control pins. VDDQ output Lower Threshold As % of set point, 2µs noise filter 86 92 % Upper Threshold As % of set point, 2µs noise filter 108 115 % PGOOD Output Low IPGOOD = 1.5mA 0.5 V Leakage Current VPULLUP = 5V 1 µA VTT Regulator VDDQ IN Current S0 mode, IVTT = 0 35 70 mA VREF IN to VTT Differential Output Voltage IVTT = 0, TA = 25°C IVTT = ± 1.25A (pulsed) –20 –40 20 40 mV Internal Divider Gain 0.493 0.498 0.503 V/V VTT Current limit Pulsed (300ms max.), TA = 25°C ±1.5 ±3 ±4 A VTT Leakage Current S3#I = LOW –20 20 mA VTT SNS input resistance VTT = 0.9V 110 k Ω VTT PGOOD Measured at VTT SNS 80 110 % VTT REF Drop-Out Voltage ITT = ± 1.5A –0.8 0.8 V 1.2V LDO Regulation I(1.2) from 0 to 5A 1.17 1.2 1.23 V Drop-Out Voltage I(1.2) ≤ 5A, R DS(ON) < 50mΩ 0.3 V External Gate Drive VCC = 4.75V 4.5 V Gate Drive Source Current 1.2 mA Gate Drive Sink Current 1.2 mA External Gate Drive VCC = 4.75V 4.5 V FB1.2 PGOOD threshold 0.80 V 3.3V LDO Regulation I(3.3) from 0 to 1.25A, VCC > 4.75V 3.2 3.3 3.4 V Drop-Out Voltage I(3.3) ≤ 1.25A 1.5 V Electrical Specifications (continued) Recommended operating conditions, component values per Figure 1 unless otherwise noted. Parameter Conditions Min. Typ. Max. Units |
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