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US1150CM Datasheet(PDF) 2 Page - UNISEM |
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US1150CM Datasheet(HTML) 2 Page - UNISEM |
2 / 5 page US1150 2-2 Rev. 1.2 10/28/99 ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS Input Voltage (Vin) ........................................................... 7V Control Input Voltage (Vctrl) .................................................. 14V Power Dissipation............................................. Internally Limited Storage Temperature Range ................................... -65 °C TO 150°C Operating Junction Temperature Range ..................... 0 °C TO 150°C PACKAGE INFORMATION PACKAGE INFORMATION 8 PIN PLASTIC SOIC ( S ) 5 PIN PLASTIC TO263 ( M ) 5 PIN PLASTIC POWER FLEX (P) θJA=55°C/W for 1" Sq pad area θJA=35°C/W for 0.5" square pad θJA=35°C/W for 0.5" square pad ELECTRICAL SPECIFICATIONS ELECTRICAL SPECIFICATIONS Unless otherwise specified ,these specifications apply over ,Cin=1uF,Cout=10uF, and Tj=0 to 125 °C.Typical values refer to Tj=25 °C. Vout=Vsense. PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS Reference Voltage Vref Vctrl=2.75V,Vin=2V,Io=10mA 1.243 1.250 1.257 V Tj=25,Vadj=0V Vctrl=2.7to12V,Vin=2.05V to 5.5V, 1.237 1.250 1.263 Io=10mA to 4A,Vadj=0V Line Regulation Vctrl=2.5Vto7V,Vin=1.75Vto5.5V ,Io=10mA ,Vadj=0V 3 mV Load Regulation (note 1) Vctrl=2.75V,Vin=2.1V,Io=10mA to 4A,Vadj=0V 5 mV Dropout Voltage (note 2) Vadj=0V for all conditions below. (Vctrl - Vout) Vin=2.05V,Io=1.5A 1.15 V Vin=2.05V,Io=3A 1.18 Vin=2.05V,Io=4A 1.10 1.25 Dropout Voltage (note 2) Vadj=0V for all conditions below. (Vin - Vout) Vctrl=2.75V,Io=1.5A 0.26 0.38 V Vctrl=2.75V,Io=3A 0.50 0.60 Vctrl=2.75V,Io=4A 0.70 0.85 Current Limit Vctrl=2.75V,Vin=2.05V, dVo=100mV Vadj=0V 4.2 A Minimum Load Current (note 3) Vctrl=5V,Vin=3.3V,Vadj=0V, 5 10 mA Thermal Regulation 30 mS Pulse 0.01 0.02 %/W Ripple Rejection Vctrl=5V,Vin=5V,Io=4A,Vadj=0V 60 70 dB Tj=25,Vripple=1Vpp at 120Hz FRONT VIEW 1 2 3 4 5 Vsense Adj Vout Vctrl Vin 4 3 2 1 5 6 7 8 TOP VIEW Vout Vsense Adj Vin Vctrl Vout Vout Vout FRONT VIEW 1 2 3 4 5 Vsense Adj Vout Vctrl Vin |
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