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MSP1250 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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5 / 9 page MSP1250 Power Converter 150kHz 3A Step-down Voltage Regulator All Output Voltage Versions Electrical Characteristics (Condition :TJ = 25℃) MSP1250—XX Symbol Parameter Conditions Min (Note 4) Typ (Note 3) Max (Note4 Units DEVICE PARAMETERS Ib Feedback Bias Current Adjustable Version Only, VFB = 1.3V -- 10 100 nA fO Oscillator Frequency (Note 6) 110 150 173 KHz VSAT VSAT Saturation Voltage IOUT=3A(Notes 7, 8) -- 1.16 1.5 V Max Duty Cycle (ON) (Note 8) -- 100 -- % DC Min Duty Cycle (OFF) (Note 9) -- 0 -- % ICL Current Limit Peak Current (Notes 7, 8) 3.4 4.5 7.5 A Output = 0V (Notes 7, 9) -- -- 50 μA IL Output Leakage Current Output =-1V (Notes 10) -- 2 30 mA IQ Quiescent Current (Note 9) -- 5 10 mA ISTBY Standby Quiescent Current ON/OFF pin = 5V (OFF) (Note 10) -- 80 250 μA θJC TO-220 or TO-263 Junction to Case -- 2 -- ℃/W θJA TO-220 Package,Junction to Ambient(Note 11) -- 50 -- ℃/W θJA TO-263 Package, Junction to Ambient (Note 12) -- 50 -- ℃/W θJA TO-263 Package,Junction to Ambient(Note 13) -- 30 -- ℃/W θJA Thermal Resistance TO-263 Package, Junction to Ambient(Note 14) -- 20 -- ℃/W CONTROL Test Circuit Figure 1 ON /OFF Pin Logic Input -- 1.3 -- V VIH Low (Regulator on) -- -- 0.6 V VIL Threshold Voltage High(Regulator off) -- -- 2.0 V IH VLOGIC=2.5V (Regulator OFF) -- 5 15 μA IL ON /OFF Pin Input Current VLOGIC=0.5V (Regulator ON) -- 0.02 5 μA |
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