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CS51031YD8 Folha de dados(PDF) 3 Page - ON Semiconductor |
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CS51031YD8 Folha de dados(HTML) 3 Page - ON Semiconductor |
3 / 10 page CS51031 http://onsemi.com 3 ELECTRICAL CHARACTERISTICS (Specifications apply for 4.5 ≤ VCC ≤ 16 V, 3.0 V ≤ VC ≤ 16 V; Industrial Grade: −40 °C < TA < 85°C; −40°C < TJ < 125°C: Commercial Grade: 0°C < TA < 70°C; 0°C < TJ < 125°C, unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit Oscillator VFB = 1.2 V Frequency COSC = 470 pF 160 200 240 kHz Charge Current 1.4 V < VCOSC < 2.0 V − 110 − mA Discharge Current 2.7 V > VCOSC > 2.0 V − 660 − mA Maximum Duty Cycle 1 − (tOFF/tON) 80.0 83.3 − % Short Circuit Timer VFB = 1.0 V; CS = 0.1 mF; VCOSC = 2.0 V Charge Current 1.0 V < VCS < 2.0 V 175 264 325 mA Fast Discharge Current 2.55 V > VCS > 2.4 V 40 66 80 mA Slow Discharge Current 2.4 V > VCS > 1.5 V 4.0 6.0 10 mA Start Fault Inhibit Time 0 V < VCS < 2.5 V 0.70 0.85 1.40 ms Valid Fault Time 2.6 V > VCS > 2.4 V 0.2 0.3 0.45 ms GATE Inhibit Time 2.4 V > VCS > 1.5 V 9.0 15 23 ms Fault Duty Cycle − 2.5 3.1 4.6 % CS Comparator VFB = 1.0 V Fault Enable CS Voltage − − 2.5 − V Max CS Voltage VFB = 1.5 V − 2.6 − V Fault Detect Voltage VCS when GATE goes high − 2.4 − V Fault Inhibit Voltage Minimum VCS − 1.5 − V Hold Off Release Voltage VFB = 0 V 0.4 0.7 1.0 V Regulator Threshold Voltage Clamp VCS = 1.5 V 0.725 0.866 1.035 V VFB Comparators VCOSC = VCS = 2.0 V Regulator Threshold Voltage TJ = 25°C (Note 3) TJ = −40 to 125°C 1.225 1.210 1.250 1.250 1.275 1.290 V V Fault Threshold Voltage TJ = 25°C (Note 3) TJ = −40 to 125°C 1.12 1.10 1.15 1.15 1.17 1.19 V V Threshold Line Regulation 4.5 V ≤ VCC ≤ 16 V − 6.0 15 mV Input Bias Current VFB = 0 V − 1.0 4.0 mA Voltage Tracking (Regulator Threshold − Fault Threshold Voltage) 70 100 120 mV Input Hysteresis Voltage − − 4.0 20 mV Power Stage VCC = VC = 10 V; VFB = 1.2 V GATE DC Low Saturation Voltage VCOSC = 1.0 V; 200 mA Sink − 1.2 1.5 V GATE DC High Saturation Voltage VCOSC = 2.7 V; 200 mA Source; VC = VGATE − 1.5 2.1 V Rise Time CGATE = 1.0 nF; 1.5 V < VGATE < 9.0 V − 25 60 ns Fall Time CGATE = 1.0 nF; 9.0 V > VGATE > 1.5 V − 25 60 ns VCC Monitor Turn−On Threshold − 4.200 4.400 4.600 V Turn−Off Threshold − 4.085 4.300 4.515 V Hysteresis − 65 130 200 mV Current Drain ICC 4.5 V < VCC < 16 V, Gate switching − 4.5 6.0 mA IC 3.0 V < VC < 16 V, Gate non−switching − 2.7 4.0 mA Shutdown ICC VCC = 4.0 − 500 900 mA 3. Guaranteed by design, not 100% tested in production. |
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