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CS51220 数据表(PDF) 4 Page - ON Semiconductor |
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CS51220 数据表(HTML) 4 Page - ON Semiconductor |
4 / 16 page CS51220 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (−40°C < TA < 85°C; −40°C < TJ < 125°C; 4.7 V < VCC < 16 V; CT = 390 pF; unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit Supply Voltage/Current Start Threshold − 4.0 4.4 4.7 V Stop Threshold − 3.3 3.8 4.1 V Hysteresis Start − Stop 400 600 1000 mV ICC @ Startup VCC < UVL Start Threshold − − 500 μA ICC Operating, Low VCC 4.7 V < VCC < 10 V − − 7.5 mA ICC Operating, High VCC 10 V < VCC < 16 V − − 9.0 mA Reference Voltage Total Accuracy 0 mA < IREF < 2.0 mA 3.2 3.3 3.4 V Line Regulation IREF = 2.0 mA − 6.0 20 mV Load Regulation 0 mA < IREF < 2.0 mA, VCC = 8.0 V − 6.0 15 mV Operating Life Shift T = 1000 Hrs., Note 2 − 4.0 20 mV Fault Voltage − 2.8 2.95 3.1 V VREF OK Voltage − 2.9 3.05 3.2 V VREF OK Hysteresis − 50 100 150 mV Current Limit VREF = 2.5 V 2.0 25 65 mA Oscillator Frequency Accuracy − 223 266 309 kHz Temperature Stability Note 2 − 8.0 − % Max Frequency Note 2 500 − − kHz Duty Cycle − 80 85 90 % Peak Voltage Note 2 1.9 2.0 2.1 V Valley Voltage Note 2 0.85 0.90 0.98 V Discharge Current VCT = 1.5 V 0.70 0.85 1.05 mA Charge Current VCT = 1.5 V 127 150 183 μA Synchronization SYNCI Input Threshold fSYNC = 500 kHz 1.0 2.0 3.0 V SYNCI Input Resistance VSYNC = 0.5 50 150 250 kΩ Minimum Sync Frequency Reduction of nominal frequency. 25 − − % Minimum Input Sync Pulse Width − − − 200 ns SYNCO Output High RSYNCO = 5.0 k, VCC = 8.0 V 5.0 6.5 7.5 V SYNCO Output Low Sink 1.0 mA, VSD = 2.5 V − 0.2 0.4 V SYNCO Delay Time VCT = 1.5 V, Toggle VSD 100 200 300 ns 2. Guaranteed by design. Not tested in production. |
类似零件编号 - CS51220 |
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类似说明 - CS51220 |
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