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ADP3211 Arkusz danych(PDF) 6 Page - ON Semiconductor |
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ADP3211 Arkusz danych(HTML) 6 Page - ON Semiconductor |
6 / 32 page ADP3211, ADP3211A http://onsemi.com 6 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 = −10°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 VOLTAGE MONITORING and PROTECTION − Power Good PWRGD High Leakage Current IPWRGD VPWRDG = 5.0 V 1.0 mA PWRGD Startup Delay TSSPWRGD Measured from CLKEN neg edge to PWRGD pos edge 8.0 ms PWRGD Latchoff Delay TLOFFPWRGD Measured from Out−off−Good−Window event to Latchoff (switching stops) 8.0 ms PWRGD Propagation Delay (Note 2) TPDPWRGD Measured from Out−off−Good−Window event to PWRGD neg edge 200 ns Crowbar Latchoff Delay (Note 2) TLOFFCB Measured from Crowbar event to Latchoff (switching stops) 200 ns PWRGD Masking Time TMSkPWRGD Triggered by any VID change 100 ms CSREF Soft−Stop Resistance EN = L or Latchoff condition 60 W CURRENT CONTROL − Current Sense Amplifier (CSAMP) CSFB, CSREF Common−Mode Range (Note 2) Voltage range of interest 0 2.0 V CSFB, CSREF Offset Voltage VOSCSA CSREF – CSSUM, TA = 0°C to 85°C TA = 25°C −1.4 −0.4 +1.4 +0.4 V CSFB Bias Current IBCSFB −50 +50 nA CSREF Bias Current IBCSREF −2.0 2.0 mA CSCOMP Voltage Range (Note 2) Voltage range of interest 0.05 2.0 V CSCOMP Current ICSCOMPsource ICSCOMPsink CSCOMP = 2.0 V CSFB forced 200 mV below CSREF CSFB forced 200 mV above CSREF −650 1.0 mA mA CSCOMP Slew Rate (Note 2) CCSCOMP = 10 pF, CSREF = VDAC, Open loop configuration CSFB forced 200 mV below CSREF CSFB forced 200 mV above CSREF 10 −10 V/ms Gain Bandwidth (Note 2) GBWCSA Non−inverting unit gain configuration RFB = 1 kW 20 MHz CURRENT MONITORING AND PROTECTION − Current Reference IREF Voltage VREF RREF = 80 kW to set IREF = 20 mA 1.55 1.6 1.65 V CURRENT LIMITER (OCP) Current Limit (OCP) Threshold VLIMTH Measured from CSCOMP to CSREF RLIM = 4.5 kW −130 −100 −70 mV Current Limit Latchoff Delay Measured from OCP event to PWRGD de−assertion 8.0 ms CURRENT MONITOR Current Gain Accuracy IMON/ILIM Measured from ILIM to IMON ILIM = −20 mA ILIM = −10 mA ILIM = −5 mA 9.5 9.4 9.0 10 10 10 10.6 10.8 11 IMON Clamp Voltage VMAXMON Relative to FBRTN, ILIM = −30 mA RIMON = 8 kW 1.0 1.15 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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