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NCP81246MNTXG Datasheet(PDF) 10 Page - ON Semiconductor |
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NCP81246MNTXG Datasheet(HTML) 10 Page - ON Semiconductor |
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10 / 28 page  NCP81246 www.onsemi.com 10 Table 5. ELECTRICAL CHARACTERISTICS − 2-PHASE RAIL SPECIFIC (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 DIFFERENTIAL SUMMING AMP Input Bias Current VSP = VSN = 1.3 V −25 − 25 nA VSP Input Voltage Range −0.3 − 3 V VSN Input Voltage Range −0.3 − 0.3 V −3dB Bandwidth CL = 20 pF, RL = 10 kW − 22.5 − MHz Closed Loop DC Gain VSP − VSN = 0.5 V to 1.3 V − 1 − V/V ERROR AMPLIFIER Input Bias Current @1.3 V −400 − 400 nA Open Loop DC Gain CL = 20 pF, RL = 10 kW − 80 − dB Open Loop Unity Gain Bandwidth CL = 20 pF, RL = 10 kW − 20 − MHz Slew Rate DVIN = 100 mV, G = −10 V/V DVOUT = 1.5 V to 2.5 V, CL = 20 pF, RL = 10 kW − 5 − V/ ms Maximum Output Voltage ISOURCE = 2.0 mA 4 − − V Minimum Output Voltage ISINK = 2.0 mA − − 0.9 V CURRENT SUMMING AMPLIFIER Input Bias Current CSSUM = CSREF = 1.0 V −8 − 8 mA Offset Voltage (Vos) (Note 4) −2.5 − 2.5 mV Open Loop Gain − 80 − dB Open Loop Unity Gain Bandwidth CL = 20 pF, RL = 10 kW − 10 − MHz Maximum Output Voltage ISOURCE = 2.0 mA 3.5 − − V Minimum Output Voltage ISINK = 0.5 mA − − 0.1 V CURRENT BALANCE AMPLIFIERS Input Bias Current CSP1/2 = CSREF = 1.2 V −50 − 50 nA Common Mode Input Voltage Range CSP1/2 = CSREF 0 − 2.3 V Differential Mode Input Voltage Range CSREF = 1.2 V −100 − 100 mV Input Offset Voltage Matching CSP1/2 = CSREF = 1.2 V Measured from Average. −1.6 − 1.6 mV Current Sense Amplifier Gain 0 V < CSP1/2 − CSREF < 0.1 V 5.7 6 6.3 V/V Multiphase Current Sense Gain Matching CSP1/2 = CSREF = 10 mV to 30 mV −3.5 − 3.5 % −3dB Bandwidth − 6 − MHz OVER−CURRENT PROTECTION ILIM Threshold Current (Delayed OCP Shutdown) PS0 8.5 10 11.5 mA PS1, PS2, PS3 − 6.67 − mA ILIM Threshold Current (Immediate OCP Shutdown) PS0 13 15 17 mA PS1, PS2, PS3 − 10 − mA Shutdown Delay Immediate − 300 − ns Shutdown Delay Delayed − 50 − ms ILIM Output Voltage Offset ILIM sourcing 15 mA Measured relative to CSREF −1.5 − 1.5 mV |
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