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L6562A_0708 Datasheet(PDF) 6 Page - STMicroelectronics |
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L6562A_0708 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 26 page Electrical characteristics L6562A 6/26 5 Electrical characteristics Table 5. Electrical characteristics ( -25°C < TJ < +125°C, VCC = 12V, Co = 1nF; unless otherwise specified) 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 = 20mA 22.5 25 28 V Supply current Istart-up Start-up current Before turn-on, VCC = 11V 30 60 µA Iq Quiescent current After turn-on 2.5 3.75 mA ICC Operating supply current @ 70kHz 3.5 5 mA Iq Quiescent current During OVP (either static or dynamic) or VINV ≤150mV 1.7 2.2 mA Multiplier input IMULT Input bias current VMULT = 0 to 4V -1 µA VMULT Linear operation range 0 to 3 V Output max. slope VMULT = 0 to 1V, VCOMP = Upper clamp 11.1 V/V K Gain (2) VMULT = 1V, VCOMP= 4V, 0.32 0.38 0.44 V Error amplifier VINV Voltage feedback input threshold TJ = 25 °C 2.475 2.5 2.525 V 10.5V < VCC < 22.5V (1) 2.455 2.545 Line regulation VCC = 10.5V to 22.5V 25 mV IINV Input bias current VINV = 0 to 3V -1 µA Gv Voltage gain Open loop 60 80 dB GB Gain-bandwidth product 1 MHz ICOMP Source current VCOMP = 4V, VINV = 2.4V -2 -3.5 -5 mA Sink current VCOMP = 4V, VINV = 2.6V 2.5 4.5 mA V cs ∆ V MULT ∆ --------------------- |
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