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PC34844EPR2 Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc |
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PC34844EPR2 Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 37 page Analog Integrated Circuit Device Data 6 Freescale Semiconductor 34844 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics Characteristics noted under conditions VIN = 12V, VOUT = 42V, ILED = 50mA, PWM = VDC1, M/~S = VDC1, PIN & NIN = VDC1, -40 °C ≤ TA ≤ 105°C, PGND = 0V, unless otherwise noted. Characteristic Symbol Min Typ Max Unit SUPPLY Supply Voltage VIN 7.0 12 28 V Supply Current when Shutdown Mode Manual & SM-Bus: EN = Low, SCK & SDA=Low, PWM = Low I2C: EN = Low, SETI2C bit = 1, CLRI2C bit = 0, PWM = Low ISHUTDOWN - - 2.0 17 - - μA Supply Current when Sleep Mode SM-Bus: EN = low, SCK & SDA= Active, SETI2C bit = 0, PWM=Low, EN bit = 0 I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0, EN bit = 0, PWM=Low ISLEEP - 3.0 - mA Supply Current when Operational Mode Boost=Pulse Skipping, Channels = 0% of Duty Cycle Manual: EN= High, SCK & SDA=Low, PWM=Low SM-Bus: EN= Low, SCK & SDA=Active, EN bit= 1, PWM=Low I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0, EN bit = 1, PWM=Low IOPERATIONAL - 10.0 - mA Under-voltage Lockout VIN Rising UVLO 5.4 6.0 6.4 V Under-voltage Hysteresis VIN Falling UVLOHYST 150 200 250 mV VDC1 Voltage(5) CVDC1 = 2.2μF VDC1 2.4 2.5 2.6 V VDC2 Voltage(5) CVDC2 = 2.2μF VDC2 5.5 6.0 6.5 V VDC3 Voltage(5) CVDC3 = 2.2μF VDC3 2.4 2.5 2.6 V BOOST Output Voltage Range(6) VIN = 7.0V VIN = 28V VOUT1 VOUT2 8.0 31 - - 43 60 V Boost Switch Current Limit IFET 2.6 2.8 3.0 A RDSON of Internal FET IDRAIN= 1.0A RDSON - 250 500 m Ω Boost Switch Off-state Leakage Current VSWA,SWB = 65V IBOOST_LEAK - - 10 μA Peak Boost Efficiency(7) EFFBOOST - 90 - % Notes 5. This output is for internal use only and not to be used for other purposes 6. Minimum and Maximum output voltages are dependent on Min/Max duty cycle condition. 7. Guaranteed by design |
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