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NCP5316 Datasheet(PDF) 8 Page - ON Semiconductor |
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NCP5316 Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 32 page NCP5316 http://onsemi.com 8 ELECTRICAL CHARACTERISTICS (continued) (0 °C < TA < 70°C; VCCL = VCC = 12 V; CGATEx = 100 pF, CCOMP = 0.01 mF, CSS = 0.1 mF, CVCC = 0.1 mF, RROSC = 32.4 kW, V(ILIM) = 3.3 V, V(IPLIM) = 3.3 V, unless otherwise noted) Characteristic Unit Max Typ Min Test Conditions GATES Low Voltage Measure GATEx, IGATEx = 1.0 mA − 0.1 0.7 V Rise Time GATE 0.8 V < GATEx < 2.0 V, VCC = 10 V − 2.5 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, 4−Phase mode ROSC = 32.4 k, 5−Phase mode ROSC = 32.4 k, 6−Phase mode 450 520 550 525 620 650 600 720 750 kHz kHz kHz ROSC Voltage − 0.95 1.0 1.05 V Phase Delay, 6 Phases − − 60 − deg Phase Delay, 5 Phases CS6P = CS6N = VCC − 72 − deg Phase Delay, 4 Phases CS3P = CS3N = CS6P = CS6N = VCC − 90 − deg Phase Disable Threshold VCC − (CSxP = CSxN) 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, VDRP = 1.0 V 2.3 2.55 2.75 V/V VDRP Source Current CSxP − CSxN = 0 mV, VFB = COMP, VDRP = 2.0 V 1.0 1.5 14 mA VDRP Sink Current CSxP − CSxN = 80 mV, VFB = COMP, VDRP = 0.5 V 0.2 0.4 0.6 mA Soft Start Charge Current VCCL = 10 V 30 40 50 mA Discharge Current VCCL = 7.0 V 90 120 150 mA COMP Pull−Down Current VCCL = 10 V 0.2 0.9 2.1 mA Current Sensing and Overcurrent Protection CSxP Input Bias Current CSxN = CSxP = 0 V − 0.1 1.0 mA CSxN Input Bias Current CSxN = CSxP = 0 V − 0.1 1.0 mA Current Sense Amp to PWM Gain CSxN = 0 V, CSxP = 80 mV, Measure V(COMP) when GATEx switches high − 3.0 − V/V Current Sense Amp to PWM Bandwidth − − 7.0 − MHz Current Sense Amp to IO Gain IO/(CSxP − CSxN), ILIM = 0.6 V, GATEx not switching 3.85 4.2 4.4 V/V Current Sense Amp to IO Bandwidth − − 1.0 − MHz IO Source Current − 4.0 10 − mA IO Sink Current − 0.5 0.9 1.5 mA ILIM Input Bias Current ILIM = 0 V − 0.1 1.0 mA IOF Input Bias Current IOF = 0 V − 0.1 1.0 mA IPLIM Input Bias Current IPLIM = 0 V − 0.1 1.0 mA Current Sense Amp to Pulse−by−Pulse Current Limit Comparator Gain − 8.0 9.5 11 V/V Current Sense Common Mode Input Range Note 2 0 − 2.0 V General Electrical Specifications VCC Operating Current COMP = 0.3 V (no switching) − 36 40 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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