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ADP3186 Datasheet(PDF) 4 Page - Analog Devices |
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ADP3186 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 24 page  ADP3186 Rev. A | Page 4 of 24 Parameter Symbol Conditions Min Typ Max Unit Positioning Accuracy ΔV FB Figure 4 −77 −80 −83 mV Output Voltage Range 0.05 2.7 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 20 30 40 kΩ Input Current ISW(X) SW(X) = 0 V 4 7 10 μA Input Current Matching ΔI SW(X) SW(X) = 0 V −5 +5 % CURRENT LIMIT COMPARATOR Output Voltage Normal Mode VILIMIT(NM) EN > 2.0 V, RILIMIT = 250 kΩ 2.9 3 3.1 V Shutdown Mode VILIMIT(SD) EN < 0.8 V, IILIMIT = −100 μA 400 mV Output Current, Normal Mode IILIMIT(NM) EN > 2.0 V, RILIMIT = 250 kΩ 12 μA Maximum Output Current2 60 μA Current Limit Threshold Voltage VCL VCSREF – VCSCOMP, RILIMIT = 250 kΩ 105 125 145 mV Current Limit Setting Ratio VCL/IILIMIT 10.4 mV/ μA DELAY Normal Mode Voltage VDELAY(NM) RDELAY = 250 kΩ 2.9 3 3.1 V DELAY Overcurrent Threshold VDELAY(OC) RDELAY = 250 kΩ 1.7 1.8 1.9 V Latch-Off Delay Time tDELAY RDELAY = 250 kΩ, CDELAY = 12 nF 1.5 ms SOFT START Output Current, Soft Start Mode IDELAY(SS) During startup, DELAY < 2.8 V 15 20 25 μA Soft Start Delay Time tDELAY(SS) RDELAY = 250 kΩ, CDELAY = 12 nF, VID code = 011111 1 ms ENABLE INPUT Input Low Voltage VIL(EN) 0.8 V Input High Voltage VIH(EN) 2.0 V Input Current, Input Voltage Low IIL(EN) EN = 0 V −1 +1 μA POWER GOOD COMPARATOR Undervoltage Threshold VPWRGD(UV) Relative to nominal DAC output −200 −300 −400 mV Overvoltage Threshold VPWRGD(OV) Relative to nominal DAC output 200 300 400 mV Output Low Voltage VOL(PWRGD) IPWRGD(SINK) = 4 mA 150 400 mV OFF_State Leakage Current VCSREF = VDAC 50 μA Power Good Delay Time VID Code Changing 100 250 μs VID Code Static 200 ns Crowbar Trip Point VCROWBAR 2.0 2.1 2.2 V Crowbar Reset Point 300 400 500 mV Crowbar Delay Time tCROWBAR Overvoltage to PWM going low VID Code Changing 100 250 μs VID Code Static 400 ns PWM OUTPUTS Output Low Voltage VOL(PWM) IPWM(SINK) = −400 μA 160 500 mV Output High Voltage VOH(PWM) IPWM(SOURCE) = +400 μA 4.0 5 V SUPPLY DC Supply Current 5 10 mA UVLO Threshold Voltage VUVLO VCC rising 6.5 6.9 7.3 V UVLO Hysteresis 0.7 0.9 1.1 V 1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). 2 Guaranteed by design or bench characterization, not production tested. |
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