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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LT1186FCS Arkusz danych(PDF) 2 Page - Linear Technology |
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LT1186FCS Arkusz danych(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LT1186F ABSOLUTE MAXIMUM RATINGS VCC ........................................................................... 7V BAT, Royer, BULB .................................................. 30V CCFL VSW ............................................................... 60V Shutdown ................................................................. 6V ICCFL Input Current .............................................. 10mA DIO Input Current (Peak, < 100ms) .................... 100mA Digital Inputs ................................ – 0.3V to VCC + 0.3V Digital Outputs .............................. – 0.3V to VCC + 0.3V DAC Output Voltage ....................... – 20V to VCC + 0.3V Junction Temperature (Note 1) ........................... 100 °C Operating Ambient Temperature Range LT1186FC ............................................ 0 °C to 100°C LT1186FI .......................................... – 40 °C to 100°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................ 300 °C TJMAX = 100°C, θJA = 100°C/W LT1186FCS LT1186FIS ORDER PART NUMBER PACKAGE/ORDER INFORMATION Consult factory for Industrial and Military grade parts. TOP VIEW S PACKAGE 16-LEAD PLASTIC SO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 CCFL PGND ICCFL DIO CCFL VC AGND SHDN CLK CS CCFL VSW BULB BAT ROYER VCC IOUT DOUT DIN xSYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IQ Supply Current 3V ≤ VCC ≤ 6.5V, 1/2 Full-Scale DAC Output Current q 6 9.5 mA ISHDN SHUTDOWN Supply Current SHUTDOWN = 0V, CCFL VC Open (Note 2) 35 70 µA SHUTDOWN Input Bias Current SHUTDOWN = 0V, CCFL VC = Open 5 10 µA SHUTDOWN Threshold Voltage q 0.45 0.85 1.2 V f Switching Frequency Measured at CCFL VSW, ISW = 50mA, 175 200 225 kHz ICCFL = 100µA, CCFL VC = Open q 160 200 240 kHz DC(MAX) Maximum Switch Duty Cycle Measured at CCFL VSW 80 85 % q 75 85 % BV Switch Breakdown Voltage Measured at CCFL VSW 60 70 V Switch Leakage Current VSW = 12V, Measured at CCFL VSW 20 µA VSW = 30V, Measured at CCFL VSW 40 µA ICCFL Summing Voltage 3V ≤ VCC ≤ 6.5V 0.425 0.465 0.505 V q 0.385 0.465 0.555 V ∆ICCFL Summing Voltage for ICCFL = 0µA to 100µA5 15 mV ∆Input Programming Current CCFL VC Offset Sink Current CCFL VC = 1.5V, Positive Current Measured into Pin – 5 5 15 µA ∆CCFL VC Source Current for ICCFL = 25µA, 50µA, 75µA, 100µA, q 4.70 4.95 5.20 µA/µA ∆ICCFL Programming Current CCFL VC = 1.5V TJ < 0°C q 4.60 4.95 5.20 µA/µA CCFL VC to DIO Current Servo Ratio DIO = 5mA out of Pin, Measure I(VC) at CCFL VC = 1.5V q 94 99 104 µA/mA CCFL VC Low Clamp Voltage VBAT – VBULB = BULB Protect Servo Voltage q 0.1 0.3 V CCFL VC High Clamp Voltage ICCFL = 100µA q 1.7 2.1 2.4 V CCFL VC Switching Threshold CCFL VSW DC = 0% q 0.6 0.95 1.3 V ELECTRICAL CHARACTERISTICS TA = 25°C, VCC = SHUTDOWN = DIN = CS = 3.3V, BAT = Royer = BULB = 12V, ICCFL = CCFL VSW = Open, DOUT = Three-State, DIO = IOUT = CLK = GND, CCFL VC = 0.5V, unless otherwise specified. |
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