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ADP3211AMNR2G Datasheet(PDF) 7 Page - ON Semiconductor |
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ADP3211AMNR2G Datasheet(HTML) 7 Page - ON Semiconductor |
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7 / 32 page  ADP3211, ADP3211A http://onsemi.com 7 ELECTRICAL CHARACTERISTICS (VCC = PVCC = 5.0 V, FBRTN = GND = PGND = 0 V, H = 5.0 V, L = 0 V, VVID = VDAC = 1.2 V, TA = −40°C to 100°C, unless otherwise noted. (Note 1) Current entering a pin (sunk by the device) has a positive sign. Parameter Units Max Typ Min Conditions Symbol PULSE WIDTH MODULATOR − Clock Oscillator RT Voltage VRT RT = 243 kW, VVID = 1.2 V See also VRT(VVID) formula 1.08 1.2 1.35 V PWM Clock Frequency Range (Note 2) fCLK Operation of interest 0.3 3.0 MHz RAMP GENERATOR RAMP Voltage VRAMP EN = H, IRAMP = 60 mA EN = L 0.9 1.0 VIN 1.1 V RAMP Current Range (Note 2) IRAMP EN = H EN = L, RAMP = 19 V 1.0 −0.5 100 +0.5 mA PWM COMPARATOR PWM Comparator Offset (Note 2) VOSRPM −3.0 +3.0 mV RPM COMPARATOR RPM Current IRPM VVID = 1.2 V, RT = 243 kW See also IRPM(RT) formula −6.0 mA RPM Comparator Offset (Note 2) VOSRPM VCOMP − (1 + VRPM) −3.0 +3.0 mV SWITCH AMPLIFIER SW Input Resistance RSW Measured from SW to PGND 1.3 kW ZERO CURRENT SWITCHING COMPARATOR SW ZCS Threshold VZCSSW DCM mode, DPRSLP = 3.3 V −4.0 mV Masked Off−Time tOFFMSKD Measured from DRVH neg edge to DRVH pos edge at max frequency of operation 700 ns SYSTEM I/O BUFFERS − EN and VID[6:0] INPUTS Input Voltage VEN,VID[6:0] Refers to driving signal level Logic low, Isink = 1 mA Logic high, Isource = −5 mA 0.7 0.3 V Input Current IEN,VID[6:0] VEN,VID[6:0] = 0 V 0.2 V < VEN,VID[6:0] ≤ VCC 10 1.0 nA mA VID Delay Time (Note 2) Any VID edge to 10% of FB change 200 ns GPU INPUT Input Voltage VGPU Refers to driving signal level Logic low, Isink = 1 mA Logic high, Isource = −5 mA 4.0 0.3 V Input Current IGPU GPU = L or GPU = H (static) 0.8 V < EN < 1.6 V (during transition) 10 70 nA mA CLKEN OUTPUT Output Low Voltage VCLKEN Logic low, ICLKEN = 4 mA 30 300 mV Output High, Leakage Current ICLKEN Logic high, VCLKEN = VCC 3.0 mA SUPPLY Supply Voltage Range VCC 4.5 5.5 V Supply Current EN = H EN = L 6.0 60 10 200 mA mA VCC OK Threshold VCCOK VCC is rising 4.4 4.5 V VCC UVLO Threshold VCCUVLO VCC is falling 4.0 4.15 V VCC Hysteresis (Note 2) 150 mV 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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