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NCP81243 Datasheet(PDF) 10 Page - ON Semiconductor |
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NCP81243 Datasheet(HTML) 10 Page - ON Semiconductor |
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10 / 26 page  NCP81243 www.onsemi.com 10 Table 4. NCP81243 (3+2) ELECTRICAL CHARACTERISTICS Unless otherwise stated: −40 °C < TA < 100°C; 4.75 V < VCC < 5.25 V; CVCC = 0.1 mF Parameter Test Conditions Min Typ Max Unit ERROR AMPLIFIER Input Bias Current −400 400 nA Open Loop DC Gain CL = 20 pF to GND, RL = 10 K W to GND 80 dB Open Loop Unity Gain Bandwidth CL = 20 pF to GND, RL = 10 K W to GND 20 MHz Slew Rate DVin = 100 mV, G = −10 V/V, DVout = 0.75 V – 1.52 V, CL = 20 pF to GND, DC Load = 10 k to GND 20 V/ ms Maximum Output Voltage ISOURCE = 2.0 mA 3.5 − − V Minimum Output Voltage ISINK = 0.5 mA − − 1 V DIFFERENTIAL SUMMING AMPLIFIER Input Bias Current −400 − 400 nA VSP Input Voltage Range −0.3 − 3.0 V VSN Input Voltage Range −0.3 − 0.3 V −3 dB Bandwidth CL = 20 pF to GND, RL = 10 K W to GND 12 MHz Closed Loop DC gain VS to DIFF VS+ to VS− = 0.5 to 1.3 V 1.0 V/V Droop Accuracy CSREF−DROOP = 80 mV DAC = 0.8 V to 1.2 V −82 −78 mV Maximum Output Voltage ISOURCE = 2 mA 3.0 − − V Minimum Output Voltage ISINK = 0.5 mA − − 0.5 V CURRENT SUMMING AMPLIFIER Offset Voltage (Vos) −500 500 mV Input Bias Current CSSUM = CSREF = 1 V −7.5 7.5 mA Open Loop Gain 80 dB Current Sense Unity Gain Bandwidth CL = 20 pF to GND, RL = 10 KW to GND 10 MHz Maximum CSCOMP (A) Output Volt- age Isource = 2 mA 3.5 − − V Minimum CSCOMP(A) Output Volt- age Isink = 500 mA − − 0.1 V CURRENT BALANCE AMPLIFIER Input Bias Current CSPX = CSNX = 1.2 V −50 − 50 nA Common Mode Input Voltage Range CSPx = CSNx 0 − 2.0 V Differential Mode Input Voltage Range CSNx = 1.2 V −100 − 100 mV Closed loop Input Offset Voltage Matching CSPx = 1.2 V, Measured from the average −2 − 2 mV Current Sense Amplifier Gain 0 V < CSPx < 0.1 V 5.7 6.0 6.3 V/V Multiphase Current Sense Gain Matching CSNX = CSPX = 10 mV to 30 mV −4.5 4.5 % −3 dB Bandwidth Guaranteed by simulation 8 MHz BIAS SUPPLY Supply Voltage Range 4.75 5.25 V VCC Quiescent Current PS0 50 mA VCC Quiescent Current PS1 50 mA |
Similar Part No. - NCP81243_17 |
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Similar Description - NCP81243_17 |
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