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ADP3191AJRQZ-RL Arkusz danych(PDF) 3 Page - Analog Devices |
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ADP3191AJRQZ-RL Arkusz danych(HTML) 3 Page - Analog Devices |
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3 / 28 page  ADP3191 Rev. 0 | Page 3 of 28 SPECIFICATIONS VCC = 5 V, FBRTN = GND, TA = 0°C to +85°C, unless otherwise noted.1 Table 1. Parameter Symbol Conditions Min Typ Max Unit ERROR AMPLIFIER Output Voltage Range VCOMP 0 VCC V Accuracy VFB Relative to nominal DAC output, referenced to FBRTN, CSSUM = CSCOMP −14.5 +14.5 mV Line Regulation ΔV FB VCC = 4.75 V to 5.25 V 0.05 % Input Bias Current IFB 14 15.5 17 μA FBRTN Current IFBRTN 100 140 μA Output Current IO(ERR) FB forced to VOUT – 3% 500 μA Gain Bandwidth Product GBW(ERR) COMP = FB 20 MHz Slew Rate CCOMP = 10 pF 25 V/μs VID INPUTS Input Low Voltage VIL(VID) 0.4 V Input High Voltage VIH(VID) 0.8 V Input Current, Input Voltage Low IIL(VID) VID(X) = 0 V –25 –35 μA Input Current, Input Voltage High IIH(VID) VID(X) = 1.25 V 5 15 μA Pull-Up Resistance RVID 35 60 85 kΩ Internal Pull-Up Voltage 1.0 1.2 V VID Transition Delay Time 2 VID code change to FB change 400 ns No CPU Detection Turn-Off Delay Time2 VID code change to 11111 to PWM going low 400 ns OSCILLATOR Frequency Range2 fOSC 0.25 2 MHz Frequency Variation fPHASE TA = +25°C, RT = 225 kΩ, 4-phase 155 200 245 kHz TA = +25°C, RT = 100 kΩ, 4-phase 400 kHz TA = +25°C, RT = 30 kΩ, 4-phase 600 kHz Output Voltage VRT RT = 100 kΩ to GND 1.8 2.0 2.3 V RAMPADJ Output Voltage VRAMPADJ RAMPADJ − FB –50 +50 mV RAMPADJ Input Current Range IRAMPADJ 0 100 μA CURRENT SENSE AMPLIFIER Offset Voltage VOS(CSA) CSSUM – CSREF –3 +3 mV Input Bias Current IBIAS(CSSUM) –50 +50 nA Gain Bandwidth Product GBW(CSA) 10 MHz Slew Rate CCSCOMP = 10 pF 10 V/μs Input Common-Mode Range CSSUM and CSREF 0 3 V Positioning Accuracy ΔV FB See Figure 5 –77 –80 –83 mV Output Voltage Range 0.05 VCC V Output Current ICSCOMP 500 μA CURRENT BALANCE CIRCUIT Common-Mode Range VSW(X)CM –600 +200 mV Input Resistance RSW(X) SW(X) = 0 V 12 20 28 kΩ Input Current ISW(X) SW(X) = 0 V 5 11 17 μA Input Current Matching3 ΔI SW(X) SW(X) = 0 V –5 +5 % CURRENT LIMIT COMPARATOR Output Voltage Normal Mode VILIMIT(NM) EN > 0.8 V, RILIMIT = 250 kΩ 2.8 3 3.3 V In Shutdown VILIMIT(SD) EN < 0.4 V, IILIMIT = −100 μA 400 mV Output Current, Normal Mode IILIMIT(NM) EN > 0.8 V, RILIMIT = 250 kΩ 12 μA Maximum Output Current2 60 μA |
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