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ADP3162JR Arkusz danych(PDF) 2 Page - Analog Devices |
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ADP3162JR Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 12 page REV. A –2– ADP3162–SPECIFICATIONS1 (V CC = 12 V, IREF = 150 A, TA = 0 C to 70 C, unless otherwise noted.) Parameter Symbol Conditions Min Typ Max Unit FEEDBACK INPUT Accuracy VFB 1.05 V Output Figure 1 1.042 1.050 1.058 V 1.5 V Output Figure 1 1.488 1.500 1.512 V 1.825 V Output Figure 1 1.811 1.825 1.839 V Line Regulation ∆VFB VCC = 10 V to 14 V 0.05 % Input Bias Current IFB 550 nA Crowbar Trip Threshold VCROWBAR Percent of Nominal DAC Voltage 114 124 134 % Crowbar Reset Threshold Percent of Nominal DAC Voltage 50 60 70 % Crowbar Response Time tCROWBAR Overvoltage to PWM Going Low 300 ns FB Low Foldback Threshold VFB(LOW) 425 500 575 mV REFERENCE Output Voltage VREF 0 ≤ I REF ≤ 300 µA 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 280 400 µA Pull-Up Resistance RVID 12 17 k Ω Internal Pull-Up Voltage 2.7 3 3.3 V OSCILLATOR Maximum Frequency2 fCT(MAX) 2000 kHz Frequency Accuracy 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 26 36 46 µA ERROR AMPLIFIER Output Resistance RO(ERR) 200 k Ω Transconductance gm(ERR) 2.0 2.2 2.45 mmho Output Current IO(ERR) FB = 0 V 1 mA Maximum Output Voltage VCOMP(MAX) FB Forced to VOUT – 3% 3.0 V Output Disable Threshold VCOMP(OFF) 640 800 880 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 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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