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NCP5331 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP5331 Datasheet(HTML) 6 Page - ON Semiconductor |
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6 / 36 page  NCP5331 http://onsemi.com 6 ELECTRICAL CHARACTERISTICS (continued) (0 °C < TA < 70°C; 0°C < TJ < 125°C; 9.0 V < VCCL < 16 V; 9.0 V < VCCH < 20 V; 9.0 V < VCCL1 = VCCL2 < 14 V; CGATE = 3.3 nF, RROSC = 32.4 kW, CCOMP = 1.0 nF, C5V(REF) = 0.1 mF, DAC Code 01110 (1.2 V), CVCC = 1.0 mF, 0.25 V ≤ ILIM ≤ 1.0 V; unless otherwise noted) Characteristic Test Conditions Min Typ Max Unit Voltage Identification DAC (continued) −SEN Bias Current LGND < 55 mV, All DAC Codes 40 80 120 mA −SEN Offset from GND − −150 − 200 mV Power Good Output Internal Delay Time − 175 290 425 ms PWRGD Low Output Voltage IPGD = 4.0 mA − 250 400 mV Output Leakage Current VPGD = 5.5 V − 0.1 2.0 mA VCORE/CSREF Comparator Threshold Voltage Tolerance from DAC Setting −15% −12.5% −10% % CPGD Charge Current ROSC = 32.4 kW 14.5 16 17.5 mA CPGD Comparator Threshold Voltage − 2.8 3.0 3.2 V CPGD External Delay Time CPGD = 0.033 mF. Note 1. 4.8 6.0 7.8 ms Voltage Feedback Error Amplifier VFB Bias Current 0.7 V < VFB < 1.6 V. Note 2. 9.4 10.3 11.1 mA COMP Source Current COMP = 0.5 V to 2.0 V; VFB = 0.8 V 15 30 60 mA COMP Sink Current COMP = 0.5 V to 2.0 V; VFB = 1.5 V 15 30 60 mA COMP Discharge Threshold Voltage − 0.20 0.33 0.40 V Transconductance −10 mA < ICOMP < +10 mA − 32 − mmho Output Impedance − − 2.5 − M W Open Loop Dc Gain Note 1. 60 90 − dB Unity Gain Bandwidth CCOMP = 0.01 mF − 400 − kHz PSRR @ 1.0 kHz − − 70 − dB COMP Max Voltage VFB = 0.8 V, COMP Open 4.1 4.4 − V COMP Min Voltage VFB = 1.5 V, COMP Open − 0.1 0.2 V Hiccup Latch Discharge Current − 4.0 7.5 13 mA Hiccup Latch Charge/Discharge Ratio − − 4.0 − − PWM Comparators Minimum Pulse Width CS1 = CS2 = CSREF − 235 280 ns Channel Start−Up Offset CS1 = CS2 = VFB = CSREF = 0 V; Measure COMP when GHx switch High 0.45 0.60 0.80 V Overcurrent Shutdown Timer Overcurrent Shutdown Voltage Threshold − 2.8 3.0 3.2 V COVC Low Output Voltage − − 250 400 mV COVC Source Current − 3.0 5.0 8.0 mA 1. Guaranteed by design. Not tested in production. 2. The VFB Bias Current changes with the value of ROSC per Figure 5. |
Similar Part No. - NCP5331_05 |
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Similar Description - NCP5331_05 |
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