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L6561 Scheda tecnica(PDF) 3 Page - STMicroelectronics |
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L6561 Scheda tecnica(HTML) 3 Page - STMicroelectronics |
3 / 11 page ELECTRICAL CHARACTERISTICS (VCC = 14.5V; Tamb = -25 °C to 125°C; unless otherwise specified) SUPPLY VOLTAGE SECTION Symbol Pin Parameter Test Condition Min. Typ. Max. Unit VCC 8 Operating Range after turn-on 11 18 V VCC ON 8 Turn-on Threshold 11 12 13 V VCC OFF 8 Turn-off Threshold 8.7 9.5 10.3 V Hys 8 Hysteresis 2.2 2.5 2.8 V SUPPLY CURRENT SECTION Symbol Pin Parameter Test Condition Min. Typ. Max. Unit ISTART-U 8 Start-up Current before turn-on (VCC =11V) 20 50 90 µA Iq 8 Quiescent Current 2.6 4 mA ICC Operating Supply Current CL = 1nF @ 70KHz 4 5.5 mA in OVP condition Vpin1 = 2.7V 1.4 2.1 mA Iq Quiescent Current VPIN5 ≤ 150mV, VCC >VCC off 1.4 2.1 mA VPIN5 ≤ 150mV, VCC <VCC off 20 50 90 µA VZ 8 Zener Voltage ICC = 25mA 18 20 22 V ERROR AMPLIFIER SECTION Symbol Pin Parameter Test Condition Min. Typ. Max. Unit VINV 1 Voltage Feedback Input Threshold Tamb =25 °C 2.465 2.5 2.535 V 12V < VCC < 18V 2.44 2.56 Line Regulation VCC = 12 to 18V 2 5 mV IINV 1 Input Bias Current -0.1 -1 µA GV Voltage Gain Open loop 60 80 dB GB Gain Bandwidth 1 MHz ICOMP 2 Source Current VCOMP = 4V, VINV = 2.4V -2 -4 -8 mA Sink Current VCOMP = 4V, VINV = 2.6V 2.5 4.5 mA VCOMP 2 Upper Clamp Voltage ISOURCE = 0.5mA 5.8 V Lower Clamp Voltage ISink = 0.5mA 2.25 V MULTIPLIER SECTION Symbol Pin Parameter Test Condition Min. Typ. Max. Unit VMULT 3 Linear Operating Voltage 0 to 3 0 to 3.5 V ∆VCS ∆Vmult Output Max. Slope VMULT = from 0V to 0.5V VCOMP = Upper Clamp Voltage 1.65 1.9 K Gain VMULT =1V VCOMP = 4V 0.45 0.6 0.75 1/V CURRENT SENSE COMPARATOR Symbol Pin Parameter Test Condition Min. Typ. Max. Unit VCS 4 Current Sense Reference Clamp VMULT = 2.5V VCOMP = Upper Clamp Voltage 1.6 1.7 1.8 V ICS 4 Input Bias Current VOS = 0 -0.05 -1 µA td (H-L) 4 Delay to Output 200 450 ns 4 Current Sense Offset 0 15 mV L6561 3/11 |
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