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L6599AF Scheda tecnica(PDF) 10 Page - STMicroelectronics |
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L6599AF Scheda tecnica(HTML) 10 Page - STMicroelectronics |
10 / 32 page Electrical characteristics L6599AF 10/32 DocID028175 Rev 3 DIS function IDIS Input bias current VDIS = 0 to Vth -1 µA Vth Disable threshold Voltage rising (1) 1.78 1.85 1.92 V Oscillator D Output duty cycle Both HVG and LVG 48 50 52 % fosc Oscillation frequency 58.2 62 65.8 kHz RRFmin = 2.7 k 240 250 260 TD Deadtime Between HVG and LVG 0.2 0.3 0.4 µs VCFp Peak value 3.9 V VCFv Valley value 0.9 V VREF Voltage reference at pin 4 (1) 1.93 2 2.07 V IREF = -2 mA (1) 1.8 2 2.2 KM Current mirroring ratio 1 A/A PFC_STOP function Ileak High level leakage current VPFC_STOP = Vcc, VDIS = 0 V 1 µA RPFC_STOP ON-state resistance IPFC_STOP = 1 mA, VDIS = 1.5 V 130 200 VL Low saturation level IPFC_STOP = 1 mA, VDIS = 1.5 V 0.2 V Soft-start function Ileak Open-state current V(Css) = 2 V 0.5 µA R Discharge resistance VISEN > VISENx 120 Standby function IDIS Input bias current VDIS = 0 to Vth -1 µA Vth Disable threshold Voltage falling(1) 1.2 1.24 1.28 V Hys Hysteresis Voltage rising 50 mV Delayed shutdown function Ileak Open-state current V(DELAY) = 0 0.5 µA ICHARGE Charge current VDELAY = 1 V, VISEN = 0.85 V 100 150 200 µA Vth1 Threshold for forced operation at max. frequency Voltage rising(1) 1.98 2.05 2.12 V Vth2 Shutdown threshold Voltage rising(1) 3.35 3.5 3.65 V Vth3 Restart threshold Voltage falling(1) 0.3 0.33 0.36 V Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit |
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