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NCP5393AMNR2G Datasheet(PDF) 11 Page - ON Semiconductor |
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NCP5393AMNR2G Datasheet(HTML) 11 Page - ON Semiconductor |
11 / 24 page NCP5393A http://onsemi.com 11 ELECTRICAL CHARACTERISTICS (Unless otherwise stated: 0°CvTAv70°C; 4.75 VvVCCv5.25 V; All DAC Codes; CVCC = 0.1 mF) Parameter Unit Max Typ Min Test Conditions PSI_L (Power Saving Phase Shed and Control, Active Low) (This pin is used in PVI mode only) PSI_L Hysteresis After Soft−Start, VHIGH − VLOW or VLOW − VHIGH 100 mV CURRENT LIMIT Current Sense Amp to ILIM Gain 20 mV < (CSx − CSxN) < 60 mV (CS inputs tied) 5.7 6.0 6.3 V/V ILIM Pin Input Bias Current − − 0.5 mA ILIM Pin Working Voltage Range (Note 3) 0.2 − 2.0 V ILIM Offset Voltage Offset extrapolated to CSx−CSxN = 0 V, and referred to the ILIM pin − 30 − mV Delay − 600 − ns VDDNB Current Limit Coefficient = N x VNBILIM /VILIM, where N = number of VDD phases, and VNBILIM is the equivalent voltage threshold for NB Current Limit resulting from VILIM. 1.0 V OFFSET INPUTS (VDD & VDDNB) Output Offset Voltage Above VDAC 0 − 800 mV OUTPUT OVERVOLTAGE PROTECTION (VDD & VDDNB) Over Voltage Threshold In normal operation, with no VID changes VDAC + 220 VDAC + 235 VDAC + 250 mV VCCA UNDERVOLTAGE PROTECTION VCCA UVLO Start Threshold 4.0 4.25 4.5 V VCCA UVLO Stop Threshold 3.8 4.05 4.3 V VCCA UVLO Hysteresis 200 mV INPUT SUPPLY CURRENT VCC Operating Current ENABLE held Low, No PWM operation − 25 35 mA 12VMON 12VMON (High Threshold) 8 8.5 9 V 12VMON (Low Threshold) 7 7.5 8 V 12VMON Hysteresis Low − High or High − Low 1.0 V 3. Guaranteed by design. Not production tested. TYPICAL CHARACTERISTICS Figure 1. SS Time vs. Temperature Figure 2. Enable Threshold Voltage vs. Temperature TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C) 75 50 25 0 1.95 1.97 1.99 2.01 2.03 75 50 25 0 1.0 1.1 1.2 1.3 1.4 1.5 Enable Increasing Voltage Enable Decreasing Voltage |
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