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ADP3161 Datasheet(PDF) 2 Page - Analog Devices |
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ADP3161 Datasheet(HTML) 2 Page - Analog Devices |
2 / 12 page –2– REV. 0 ADP3161–SPECIFICATIONS1 (VCC = 12 V, I REF = 150 A, TA = 0 C to 70 C, unless otherwise noted.) Parameter Symbol Conditions Min Typ Max Unit FEEDBACK INPUT Accuracy VFB 1.3 V Output TPC 1 1.290 1.3 1.310 V 1.6 V Output TPC 1 1.587 1.6 1.613 V 2.05 V Output TPC 1 2.034 2.05 2.066 V Line Regulation ∆VFB VCC = 10 V to 14 V 0.05 % Input Bias Current IFB 550 nA Crowbar Trip Point VCROWBAR Percent of Nominal Output 114 124 134 % Crowbar Reset Point Percent of Nominal Output 50 60 70 % Crowbar Response Time tCROWBAR Overvoltage to PWM Going Low 300 ns FB Low Comparator Threshold VFB(LOW) 375 425 500 mV REFERENCE Output Voltage VREF 2.952 3.0 3.048 V Output Current IREF 300 µA VID INPUTS Input Low Voltage VIL(VID) 0.6 V Input High Voltage VIH(VID) 2.2 V Input Current IVID VID(X) = 0 V 180 250 µA Pull-Up Resistance RVID 20 28 k Ω Internal Pull-Up Voltage 4.5 5.0 5.5 V OSCILLATOR Maximum Frequency2 fCT(MAX) 2000 kHz Frequency Variation ∆fCT TA = 25 °C, CT = 91 pF 430 500 570 kHz CT Charge Current ICT TA = 25 °C, VFB in Regulation 130 150 170 µA TA = 25 °C, V FB = 0 V 263646 µA ERROR AMPLIFIER Output Resistance RO(ERR) 200 k Ω Transconductance gm(ERR) 2.0 2.2 2.45 mmho Output Current IO(ERR) VFB = 0 V 1 mA Maximum Output Voltage VCOMP(MAX) FB Forced to VOUT – 3% 3.0 V Output Disable Threshold VCOMP(OFF) 560 720 800 mV –3 dB Bandwidth BWERR COMP = Open 500 kHz CURRENT SENSE Threshold Voltage VCS(TH) CS+ = VCC, 69 79 89 mV FB Forced to VOUT – 3% 0.8 V ≤ COMP ≤ 1 V 0 15 mV VCS(FOLD) FB ≤ 375 mV 37 47 58 mV ∆VCOMP/∆VCS ni 1 V ≤ VCOMP ≤ 3 V 25 V/V Input Bias Current ICS+, ICS– CS+ = CS– = VCC 0.5 5 µA Response Time tCS CS+ – (CS–) ≥ 89 mV 50 ns to PWM Going Low POWER GOOD COMPARATOR Undervoltage Threshold VPWRGD(UV) Percent of Nominal Output 76 82 88 % Overvoltage Threshold VPWRGD(OV) Percent of Nominal Output 114 124 134 % Output Voltage Low VOL(PWRGD) IPWRGD(SINK) = 100 µA 30 200 mV Response Time FB Going High 2 µs FB Going Low 200 ns PWM OUTPUTS Output Voltage Low VOL(PWM) IPWM(SINK) = 400 µA 100 500 mV Output Voltage High VOH(PWM) IPWM(SOURCE) = 400 µA 4.5 5.0 5.5 V Output Current IPWM 0.4 1 mA Duty Cycle Limit 2 DC Per Phase, Relative to fCT 50 % |
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Similar Description - ADP3161 |
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