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PC34844EP Datasheet(PDF) 8 Page - Freescale Semiconductor, Inc |
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PC34844EP Datasheet(HTML) 8 Page - Freescale Semiconductor, Inc |
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8 / 37 page  Analog Integrated Circuit Device Data 8 Freescale Semiconductor 34844 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS LED CHANNELS Sink Current ICHx Register = 255, RISET=5.1k Ω 0.1%, PIN&NIN = Disabled, TA=25°C ISINK 49 50 51 mA Regulated minimum voltage across drivers VMIN 675 750 825 mV Current Matching Accuracy IMATCH -2.0 - 2.0 % ISET Pin Voltage RISET=5.1k Ω 0.1% VSET 2.017 2.048 2.079 V LED Current Amplitude Resolution 1.0mA < ILED < 50mA ILEDRES - 1.5 - % Off-state Leakage Current, All channels (VCH = 45V) ICH_LEAK - - 10 μA PIN INPUT Voltage to Disable PIN mode VPIN_DIS 2.2 - - V PIN Bias Current PIN = VSET IPIN -2.0 - 2.0 μA Analog Dimming Current ICHx Register = 255, RISET=5.1k Ω 0.1% PIN = VSET/2 PIN = VSET IDIM_PIN 23.75 47.50 25 50 26.25 52.50 mA NIN INPUT Voltage to Disable NIN mode VNIN_DIS 2.2 - - V NIN Bias Current NIN = VSET ININ -2.0 - 2.0 μA Analog Dimming Current ICHx Register = 255, RISET=5.1k Ω 0.1% NIN = VSET/2 NIN = 0V IDIM_NIN 23.75 47.50 25 50 26.25 52.50 mA OVER-TEMPERATURE PROTECTION Over-temperature Threshold(7) Rising Hysteresis OTT 150 - 165 25 175 - °C I2C/SM-BUS PHYSICAL LAYER [SCK, SDA] I2C Address ADRI2C - 1110110 - Binary SM-Bus Address ADRSMB - 1110110 - Binary Input Low Voltage VILI -0.3 - 0.8 V Table 3. Static Electrical Characteristics (continued) 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 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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