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NCL30161 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCL30161 Datasheet(HTML) 4 Page - ON Semiconductor |
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4 / 8 page  NCL30161 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (Unless otherwise noted: VIN = 12 V, TA = 25°C, unless otherwise specified.) Symbol Characteristics Min Typ Max Unit SYSTEM PARAMETERS VIN Input Supply Voltage Range Normal Operation 8.0 40 V Functional (Note 5) 6.3 IQ_IN Quiescent Current into VIN 1.5 mA VCC Internal Regulator Output (Note 6) 5.0 V VUV+ Under−Voltage Lock−out Threshold (VIN Rising) 5.5 6.0 6.5 V VUV− Under−Voltage Lock−out Threshold (VIN Falling) 5.2 5.6 6.3 V CURRENT LIMIT AND REGULATION VCS_UL CS Regulation Upper Limit (CS Increasing, FET Turns−OFF) 25°C 213 220 226 mV −40 to 125°C 209 231 VCS_LL CS Regulation Lower Limit (CS Decreasing, FET Turns−ON) 25°C 174 180 186 mV −40 to 125°C 171 189 VHYS CS Hysteresis 35 − 45 mV VOCP Over Current Protect Limit (Reference to CS Pin) 475 500 525 mV FSW Switching Frequency Range (Note 7) 2400 kHz Cin_CS CS Pin Input Capacitance (Note 7) 4.0 5.0 6.0 pF tBLANKING CS Blanking Timer (Note 7) 60 73 90 ns DIM INPUT VPWMH/L PWM (DIM/EN) high level input voltage 1.4 V VPWML PWM (DIM/EN) low level input voltage 0.4 V IDIM−PU DIM/EN Pull−up Current 35 50 65 mA fpwm PWM (DIM/EN) dimming frequency range 0.1 20 kHz dmax Maximum Duty Cycle (Note 7) 100 % MOSFET DRIVER RGATE_Source Sourcing Current 4.5 9.0 13.5 W RGATE_Sink Sinking Current 0.2 0.4 0.6 W THERMAL SHUTDOWN TSD Thermal Shutdown (Note 7) 160 165 180 °C THyst Thermal Hysteresis (Note 7) 30 40 60 °C OFF TIMER tOFF−MIN Minimum Off−time 110 137 165 ns 5. The functional range of VIN is the voltage range over which the device will function. Output current and internal parameters may deviate from normal values for VIN and VCC voltages between 6.3 V and 8 V, depending on load conditions 6. VCC should not be driven from a voltage higher than VIN or in the absence of a voltage at VIN. 7. Guaranteed by design. |
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