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FAN5182QSCX_NL Folha de dados(PDF) 5 Page - Fairchild Semiconductor |
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FAN5182QSCX_NL Folha de dados(HTML) 5 Page - Fairchild Semiconductor |
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5 / 19 page  © 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5182 Rev. 1.1.1 5 Electrical Characteristics VCC = 12V, FBRTN = GND, • indicates specifications over operating ambient temperature range. (2) Symbol Parameter Conditions Min. Typ. Max. Units Oscillator fOSC Frequency Range • 0.25 3.00 MHz RT = 332kΩ, 3-phase • 155 200 245 TA = 25°C, RT = 154kΩ, 3-phase • 155 400 245 TPHASE Frequency Variation TA = 25°C, RT = 100kΩ, 3-phase • 155 600 245 kHz VRT Output Voltage RT = 100kΩ to GND • 2.0 V VRAMPADJ RAMPADJ Output Voltage RAMPADJ - FB - 2KΩ x IRAMPADJ (with IRAMPADJ set to 20µA) • -50 +50 mV IRAMPADJ RAMPADJ Input Current Range (3) 0 100 µA Voltage Error Amplifier VOL Output Voltage Low 0.3 V VOH Output Voltage High 3.1 V FAN5182 2% • 784 800 816 mV FAN5182_NA3E229 1% • 792 800 808 mV VFB Accuracy (Referenced to FBRTN) FAN5182_NA3E231 3% • 786 800 824 mV IFB Input Bias Current FB = 800mV • -4 ±1 +4 µA ΔVFB Line Regulation VCC = 10V to 14V 0.05 % IFBRTN FBRTN Current • 100 140 µA IO(ERR) Output Current FB forced to VOUT - 3% 500 µA DC Gain (3) 87 dB GBW(ERR) Gain Bandwidth Product (3) COMP = FB 20 MHz Slew Rate (3) CCOMP = 10pF 10 V/µs Current-Sense Amplifier VOS(CSA) Offset Voltage CSSUM-CSREF (See Figure 3) • -5.5 +5.5 mV IBIAS(CSSUM) Input Bias Current • -50 +50 nA DC Gain (3) 70 dB GBW(CSA) Gain Bandwidth Product (3) 10 MHz Slew Rate (3) CCSCOMP = 10pF 10 V/µs Input Common-Mode Range CSSUM & CSREF 0 VCC-2.5 V VOL Output Voltage Low 0.1 V VOH Output Voltage High VCC-2.5 V ICSCOMP Output Current 500 µA Current-Balance Circuit VSW(X)CM Common-Mode Range (3) -600 +200 mV Rsw(X) Input Resistance SW(X) = 0V • 20 30 40 kΩ ISW(X) Input Current SW(X) = 0V • 4 7 10 µA ΔISW(X) Input Current Matching SW(X) = 0V • -7 +7 % FAN5182 11 mV FAN5182_NA3E229 8 mV ΔVOS Match Offset Voltage Matching (Difference between phases) FAN5182_NA3E231 8 mV |
Nº de peça semelhante - FAN5182QSCX_NL |
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Descrição semelhante - FAN5182QSCX_NL |
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