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NCP5314FTR2G Datasheet(PDF) 7 Page - ON Semiconductor |
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NCP5314FTR2G Datasheet(HTML) 7 Page - ON Semiconductor |
7 / 29 page NCP5314 http://onsemi.com 7 ELECTRICAL CHARACTERISTICS (continued) (0 °C < TA < 70°C; VCC = 12 V; CGATEx = 100 pF, CCOMP = 0.01 μF, CSS = 0.1 μF, CVCC = 0.1 μF, RROSC = 32.4 kΩ, V(ILIM) = 1.0 V, DAC Code 010100; unless otherwise noted) Characteristic Unit Max Typ Min Test Conditions GATES High Voltage Measure GATEx, IGATEx = 1.0 mA − 2.70 − V Low Voltage Measure GATEx, IGATEx = 1.0 mA − 0.5 0.7 V Rise Time GATE 0.8 V < GATEx < 2.0 V, VCC = 10 V − 5.0 10 ns Fall Time GATE 2.0 V > GATEx > 0.8 V, VCC = 10 V − 5.0 10 ns Oscillator Switching Frequency ROSC = 32.4 k, 3 Phase (Note 2) ROSC = 32.4 k, 4 Phase (Note 2) −15% −15% 880 660 +15% +15% kHz ROSC Voltage − 0.95 1.02 1.05 V Phase Delay, 3 Phases VCC = CS4P = CS4N − 120 − deg Phase Delay, 4 Phases − − 90 − deg Phase Disable Threshold VCC − (CS4P = CS4N) 500 − − mV Adaptive Voltage Positioning VDRP Output Voltage to DACOUT Offset CSxP = CSxN, VFB = COMP, Measure VDRP − COMP −15 − 15 mV Current Sense Amplifier to VDRP Gain CSxP − CSxN = 80 mV, VFB = COMP, Measure VDRP − COMP 2.25 2.54 2.75 V/V VDRP Source Current − 1.0 7.0 14 mA VDRP Sink Current − 0.2 0.4 0.6 mA Soft−Start Charge Current − 30 44 50 μA Discharge Current − 90 120 150 μA COMP Pull−Down Current − 0.2 0.9 2.1 mA Current Sensing and Overcurrent Protection CSxP Input Bias Current CSxN = CSxP = 0 V − 0.1 1.0 μA CSxN Input Bias Current CSxN = CSxP = 0 V − 0.1 1.0 μA Current Sense Amp to PWM Gain CSxN = 0 V, CSxP = 80 mV, Measure V(COMP) when GATEx switches high − 3.1 − V/V Current Sense Amp to PWM Bandwidth (Note 2) − 7.0 − MHz Current Sense Amp to ILIM Gain IO/(CSxP − CSxN), ILIM = 0.6 V, GATEx not switching 2.85 3.30 3.65 V/V Current Sense Amp to ILIM Bandwidth (Note 2) − 1.0 − MHz Current Limit Filter Slew Rate (Note 2) 2.0 5.0 13 mV/ ms ILIM Input Bias Current ILIM = 0 V − 0.1 1.0 μA Pulse−by−Pulse Current Limit Threshold Voltage V(CSxP) − V(CSxN) 80 90 110 mV Current Sense Common Mode Input Range (Note 2) 0 − 2.0 V General Electrical Specifications VCC Operating Current COMP = 0.3 V (no switching) − 27 35 mA UVLO Start Threshold SS charging, GATEx switching 8.5 9.0 9.5 V UVLO Stop Threshold GATEx not switching, SS & COMP discharging 7.5 8.0 8.5 V UVLO Hysteresis Start − Stop 0.8 1.0 1.2 V 2. Guaranteed by design, not tested in production. |
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