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ADP3208AJCPZ-RL Arkusz danych(PDF) 3 Page - Analog Devices |
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ADP3208AJCPZ-RL Arkusz danych(HTML) 3 Page - Analog Devices |
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3 / 38 page  ADP3208A Rev. 2 | Page 3 of 38 | www.onsemi.com SPECIFICATIONS VCC = PVCC1 = PVCC2 = BST1 = BST2 = high = 5 V, FBRTN = GND = SW1 = SW2 = PGND1 = PGND2 = low = 0 V, EN = VARFREQ = high, DPRSLP = 0 V, PSI = 1.05 V, DPRSTP = 0 V, VVID = 1.2000 V, TA = 0°C to 100°C, unless otherwise noted.1 Current entering a pin (sunk by the device) has a positive sign. Table 1. Parameter Symbol Conditions Min Typ Max Unit VOLTAGE ERROR AMPLIFIER Output Voltage Range VCOMP 0.8 3.6 V DC Accuracy VFB Relative to nominal VVID, LLINE = CSREF VVID = 0.5000 V to 1.5000 V −8 +8 mV VVID = 0.3000 V to 0.4875 V −10 +10 mV Boot Voltage VBOOT(FB) Start-up 0.992 1.0 1.008 V LLINE Positioning Accuracy ΔVFB LLINE − CSREF = −80 mV 78 80 82 mV LLINE − CSREF = −200 mV 180 200 220 mV LLINE Input Bias Current ILLINE −80 +80 nA Differential Nonlinearity2 −1 +1 LSB Line Regulation ΔVFB VCC = 4.75 V to 5.25 V 0.005 % Input Bias Current IFB −1 +1 μA FBRTN Current IFBRTN 60 400 μA Output Current ICOMP FB forced to VVID − 3% −4 mA FB forced to VVID + 3% 900 μA Gain Bandwidth Product2 GBW COMP = FB 20 MHz Slew Rate2 CCOMP = 10 pF 25 V/ μs VID DAC INPUTS Input Low Voltage VIL VID(x) 0.52 0.3 V Input High Voltage VIH VID(x) 0.7 0.52 V Input Current IIN(VID) Sink current 1 μA VID Transition Delay Time2 VID code change to FB change 400 ns PWM OSCILLATOR Frequency Range2 PSI = DPRSTP = 1.05 V, DPRSLP = 0 V 0.3 3 MHz Frequency fOSC TA = 25°C, RT = 250 kΩ, PWM mode, VARFREQ = high, VVID = 1.5000 V 400 kHz TA = 25°C, RT = 125 kΩ, PWM mode, VARFREQ = high, VVID = 1.5000 V 750 kHz RT Voltage VRT RT = 250 kΩ to GND, VVID = 1.5000 V 1.08 1.25 1.32 V VARFREQ = low VRPM Reference Voltage VVRPM IVRPM = 0 0.95 1 1.05 V IVRPM = 120 μA 0.95 1 1.16 V RPM Output Current IRPM VVID = 1.5000 V, RT = 250 kΩ −5 μA RPM Comparator Offset VOS(RPM) |VCOMP − VRPM|, PSI = 0 V −20 −1 +15 mV RAMP Input Voltage VRAMP 0.9 1.0 1.1 V RAMP Input Current Range IRAMP EN = high 1 50 μA RAMP Input Current in Shutdown EN = low or UVLO, RAMP = 19 V 1 μA CURRENT SENSE AMPLIFIER Offset Voltage VOS(CSA) CSSUM − CSREF −2.0 +2.0 mV Input Bias Current ICSSUM −65 +65 nA Input Common-Mode Range2 CSSUM and CSREF 0 3.5 V Output Voltage Range VCSCOMP 0.05 2.7 V Output Current ICSCOMP Sink current 1 mA Source current −15 mA |
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