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L6562ATD Datasheet(PDF) 6 Page - STMicroelectronics |
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L6562ATD Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 25 page  Electrical characteristics L6562AT 6/25 5 Electrical characteristics -40 °C < TJ < +125 °C, VCC = 12 V, CO = 1 nF; unless otherwise specified Table 5. Electrical characteristics Symbol Parameter Test condition Min Typ Max Unit Supply voltage VCC Operating range After turn-on 10.5 22.5 V VccOn Turn-on threshold (1) 11.7 12.5 13.3 V VccOff Turn-off threshold (1) 9.5 10 10.5 V Hys Hysteresis 2.2 2.8 V VZ Zener voltage ICC = 20 mA 22.5 25 28 V Supply current Istart-up Start-up current Before turn-on, VCC = 11 V 30 60 µA Iq Quiescent current After turn-on 2.5 3.9 mA ICC Operating supply current @ 70 kHz 3.5 5.5 mA Iq Quiescent current During OVP (either static or dynamic) or VINV ≤ 150 mV 1.7 2.2 mA Multiplier input IMULT Input bias current VMULT = 0 to 4 V -1 µA VMULT Linear operation range 0 to 3 V Output max. slope VMULT = 0 to 1 V, VCOMP = Upper clamp 11.1 V/V K Gain (2) VMULT = 1 V, VCOMP = 4 V, 0.32 0.38 0.47 V Error amplifier VINV Voltage feedback input threshold TJ = 25 °C 2.475 2.5 2.525 V 10.5 V < VCC < 22.5 V (1) 2.44 2.545 Line regulation VCC = 10.5 V to 22.5 V 2 5 mV IINV Input bias current VINV = 0 to 3 V -1 µA Gv Voltage gain Open loop 60 80 dB GB Gain-bandwidth product 1 MHz ICOMP Source current VCOMP = 4 V, VINV = 2.4 V -2 -3.5 -5 mA Sink current VCOMP = 4 V, VINV = 2.6 V 2.5 4.5 mA VCOMP Upper clamp voltage ISOURCE = 0.5 mA 5.1 5.7 6 V Lower clamp voltage ISINK = 0.5 mA (1) 2.12.252.4 V VINVdis Disable threshold 150 200 250 mV VINVen Restart threshold 380 450 520 mV V cs Δ V MULT Δ --------------------- |
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