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CS51220 数据表(PDF) 5 Page - ON Semiconductor |
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CS51220 数据表(HTML) 5 Page - ON Semiconductor |
5 / 16 page CS51220 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS (continued) (−40°C < TA < 85°C; −40°C < TJ < 125°C; 4.7 V < VCC < 16 V; CT = 390 pF; unless otherwise specified.) Characteristic Unit Max Typ Min Test Conditions Output (continued) High Saturation Voltage VCC − VO, VCC = 10 V, ISOURCE = 100 μA − 1.4 2.0 V Low Saturation Voltage VO − GND, ISINK = 100 μA − 0.7 1.0 V Pull Down Resistance ISINK = 100 μA 25 50 75 kΩ Rise Time VCC = 10 V, 1.0 V < VO < 6.0 V; 50 pF load − 35 80 ns Fall Time VCC = 10 V, 1.0 V < VO < 6.0 V; 50 pF load − 25 50 ns Feed Forward Discharge Voltage IFF = 2.0 mA 0.25 0.35 0.45 V Discharge Current FF = 1.0 V 2.0 10 30 mA FF to VO Delay Connect VO to FF, Measure min. pulse width. 50 75 150 ns FF Clamp Voltage − 1.15 1.3 1.45 V COMP Switch Off Voltage VFF = 0.2 V, Ramp down VCOMP VFF = 0.2 V, Ramp down VCOMP −40°C 0.8 1.4 1.4 1.6 1.7 1.7 V V Overcurrent Protection Overcurrent Comparator DC Offset − 180 200 215 mV ISENSE Attenuation ΔVISET/ΔVISENSE 0.9 0.94 0.98 V/V ISENSE Input Resistance ΔVISENSE = 0 V 40 82 150 kΩ ISENSE to GATE Delay VISET = 0.5 V 50 100 175 ns ISET Foldback Sink Current ISET = 0.5 V, SS = 1.5 V and ISENSE = 0.5 V 12 15 18 μA External Voltage Monitors Overvoltage Threshold OV pin increasing 1.9 2.0 2.1 V OV Hysteresis Current OV = 2.15 V 10 12.5 15 μA Undervoltage Threshold UV pin decreasing 0.95 1.00 1.05 V UV Hysteresis − 25 75 125 mV Soft Start Charge Current SS = 1.5 V 35 50 65 μA Discharge Current SS = 1.5 V, UV = 1.5 V 4.0 5.0 7.0 μA OC Delay Discharge Current SS = 2.85 V, ISET = 0.5, ISENSE = 0.5 V 35 50 65 μA SS Clamp Voltage − 2.7 2.9 3.1 V Discharge Voltage − 0.25 0.3 0.35 V Soft Start Fault Voltage OV = 2.5 V or UV = 0.85 V − 0.1 0.2 V Hiccup Delay Discharge Voltage − 0.08 0.1 0.12 V Disable DISABLE Input Threshold − 1.0 2.0 3.0 V DISABLE Input Resistance VDISABLE = 0.5 V 50 150 250 kΩ DISABLE Operation Current, Low VCC 4.7 V < VCC < 10 V − − 800 μA DISABLE Operation Current, High VCC 10 V < VCC < 16 V − − 1600 μA |
类似零件编号 - CS51220 |
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类似说明 - CS51220 |
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