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CS51221EDR16G Fiches technique(PDF) 4 Page - ON Semiconductor |
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CS51221EDR16G Fiches technique(HTML) 4 Page - ON Semiconductor |
4 / 14 page CS51221 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (−40 °C < TA < 85°C; −40°C < TJ < 125°C; 3.0 V < VC < 15 V; 4.7 V < VCC < 15 V; RT = 12 k; CT = 390 pF; unless otherwise specified.) Characteristic Unit Max Typ Min Test Conditions Reference Voltage Total Accuracy 0 mA < IREF < 2.0 mA 3.2 3.3 3.4 V Line Regulation − − 6.0 20 mV Load Regulation 0 mA < IREF < 2.0 mA − 6.0 15 mV Noise Voltage 10 Hz < F < 10 kHz. Note 2 − 50 − mV Op 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 − 30 100 150 mV Current Limit − 2.0 40 100 mA Error Amp Reference Voltage VFB = COMP 1.234 1.263 1.285 V VFB Input Current VFB = 1.2 V − 1.3 2.0 mA Open Loop Gain Note 2 60 − − dB Unity Gain Bandwidth Note 2 1.5 − − MHz COMP Sink Current COMP = 1.4 V, VFB = 1.45 V 3.0 12 32 mA COMP Source Current COMP = 1.4 V, VFB = 1.15 V 1.0 1.6 2.0 mA COMP High Voltage VFB = 1.15 V 2.8 3.1 3.4 V COMP Low Voltage VFB = 1.45 V 75 125 300 mV PSRR Freq = 120 Hz. Note 2 60 85 − dB SS Clamp, VCOMP SS = 1.4 V, VFB = 0 V, ISET = 2.0 V 1.3 1.4 1.5 V COMP Max Clamp Note 2 1.7 1.8 1.9 V Oscillator Frequency Accuracy − 260 273 320 kHz Voltage Stability − − 1.0 2.0 % Temperature Stability −40 °C < TJ < 125°C. (Note 2) − 8.0 − % Max Frequency Note 2 1.0 − − MHz Duty Cycle − 80 85 90 % Peak Voltage Note 2 1.94 2.0 2.06 V Valley Clamp Voltage − 0.9 0.95 1.0 V Valley Voltage Note 2 0.85 1.0 1.15 V Discharge Current − 0.85 1.0 1.15 mA Synchronization Input Threshold − 0.9 1.4 1.8 V Output Pulse Width − 200 320 450 ns Output High Voltage 100 mA Load 2.1 2.5 2.8 V Input Resistance − 35 70 140 k W SYNC to Drive Delay Time from SYNC to GATE Shutdown 100 140 180 ns Output Drive Current RSYNC = 1.0 W 1.0 1.5 2.25 mA 2. Guaranteed by design, not 100% tested in production. |
Numéro de pièce similaire - CS51221EDR16G |
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Description similaire - CS51221EDR16G |
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