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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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LM5115 bảng dữ liệu(PDF) 5 Page - National Semiconductor (TI) |
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LM5115 bảng dữ liệu(HTML) 5 Page - National Semiconductor (TI) |
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5 / 17 page  Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VBIAS to GND –0.3V to 32V VCC to GND –0.3V to 9V HS to GND –1V to 80V OUT, CS to GND – 0.3V to 12V All other inputs to GND −0.3V to 7.0V Storage Temperature Range –55˚C to +150˚C Junction Temperature +150˚C ESD Rating HBM (Note 2) 2 kV Operating Ratings VBIAS supply voltage 5V to 30V VCC supply voltage 5V to 7.5V HS voltage 0V to 75V HB voltage VCC + HS Operating Junction Temperature –40˚C to +125˚C Typical Operating Conditions PARAMETER MIN TYP MAX UNITS Supply Voltage, VBIAS 4.5 30 V Supply Voltage, VCC 4.5 7 V Supply voltage bypass, CVBIAS 0.1 1 µF Reference bypass capacitor, CVCC 0.1 1 10 µF HB-HS bootstrap capacitor 0.047 µF SYNC Current Range (VCC = 4.5V) 50 150 µA RAMP Saw Tooth Amplitude 1 1.75 V VOUT regulation voltage 0.75 12 V Electrical Characteristics Unless otherwise specified, T J = –40˚C to +125˚C, VBIAS = 12V, No Load on LO or HO. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VBIAS SUPPLY Ibias VBIAS Supply Current F SYNC = 200kHz 4 mA VCC LOW DROPOUT BIAS REGULATOR VccReg VCC Regulation VCC open circuit. Outputs not switching 6.65 7 7.15 V VCC Current Limit (Note 4) 40 mA VCC Under-voltage Lockout Voltage Positive going VCC 4 4.5 V VCC Under-voltage Hysteresis 0.2 0.25 0.3 V SOFT-START SS Source Impedance 43 60 77 k Ω SS Discharge Impedance 100 Ω ERROR AMPLIFIER and FEEDBACK REFERENCE VREF FB Reference Voltage Measured at FB pin 0.737 0.75 0.763 V FB Input Bias Current FB = 2V 0.2 0.5 µA COMP Source Current 300 µA Open Loop Voltage Gain 60 dB GBW Gain Bandwidth Product 4 MHz Vio Input Offset Voltage -7 0 7 mV COMP Offset Threshold for V HO = high RAMP = CS =VOUT=0V 2V RAMP Offset Threshold for V HO = high COMP = 1.5V, CS = VOUT = 0V 1.1 V CURRENT SENSE AMPLIFIER Current Sense Amplifier Gain 16 V/V Output DC Offset 1.27 V Amplifier Bandwidth 500 kHz www.national.com 5 |
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