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L6615 Datasheet(PDF) 5 Page - STMicroelectronics |
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L6615 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 20 page 5/20 L6615 (*) Mirror accuracy is defined as : and it represents the accuracy of the transfer between the voltage sensed and the voltage imposed on the share bus. BLOCK DIAGRAM IOH Source current VCOMP=1.5V, V SH ≥ 300mV, VSENSE=-10mV -150 -350 -400 µA IOL Sink current VCOMP= 1.5V, VSENSE=-10mV 200 Ω resistor SH to GND 100 200 300 µA VCOMP(L) Low voltage 0.05 0.15 0.25 VZ Clamp Zener voltage IZ = 1mA 1.5 V ADJ AMPLIFIER IADJ Max. ADJ output current VSH= 1V, VSENSE= 0V 6.5 10 13 mA VT Threshold voltage IADJ=10µA 0.7 V RA Emitter resistor Guaranteed by design 60 100 140 Ω VADJ(MIN) Low saturation voltage IADJ=5mA 1 V IADJ=1mA 0.4 V ELECTRICAL CHARACTERISTCS (continued) (Tj = -40 to 85°C, Vcc=12V, VADJ = 12V, CCOMP = 5nF to GND, RCGA = 16kΩ, unless otherwise specified; VSENSE = IL * RSENSE, RG1 = RG2 = 200Ω) Symbol Parameter Test Condition Min. Typ. Max. Unit V SH V SE N SE R CG A R G --------------- ⋅ ----------------------------------------- 1 – 100 ⋅ = _ ADJ OUTPUT AMPLIFIER (AOA) COMP V CC 40 mV SH + + _ CGA _ + 7 I CGA UVLO BIAS 8 6 CS- CS+ 2 3 4 ADJ R A 0.7V Gm ERROR AMPLIFIER (E/A) 1.5V 5 SHARE SENSE AMPLIFIER (SSA) SHARE DRIVE AMPLIFIER (SDA) + _ 1 GND _ + CURRENT SENSE AMPLIFIER (CSA) R R R R R R R R 24V _ ADJ OUTPUT AMPLIFIER (AOA) COMP V CC 40 mV SH + + _ CGA _ + 7 I CGA UVLO BIAS 8 6 CS- CS+ 2 3 4 ADJ R A 0.7V Gm ERROR AMPLIFIER (E/A) 1.5V 5 SHARE SENSE AMPLIFIER (SSA) SHARE DRIVE AMPLIFIER (SDA) + _ 1 GND _ + CURRENT SENSE AMPLIFIER (CSA) R R R R R R R R 24V |
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