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TS19378CSRLG Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS19378CSRLG Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 7 page TS19378 Taiwan Semiconductor Document Number: DS_P0000199 2 Version: B15 ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified) (Note 1) PARAMETER SYMBOL LIMIT UNIT VCC Pin Voltage VCC VSS - 0.3 to VSS + 45 V Feedback Pin Voltage VFB VSS - 0.3 to 6 V EN/SS Pin Voltage VEN/SS VSS - 0.3 to 6 V OVP Pin Voltage VOVP VSS - 0.3 to VCC V COMP Pin Voltage VCOMP VSS - 0.3 to 6 V VGATE Pin Voltage VGATE VSS - 0.3 to VCC V Switch Pin Voltage VSW VSS - 0.3 to VCC + 0.3 V Power Dissipation PD Internally limited mW Storage Temperature Range TST -65 to +150 °C Operating Junction Temperature Range TOJP -40 to +125 °C Operating Supply Voltage VOP 8 to 40 V Output Voltage VOUT 38 V THERMAL PERFORMANCE (Note 2) PARAMETER SYMBOL LIMIT UNIT Thermal Resistance from Junction to Case RӨJC 15 oC/W Thermal Resistance from Junction to Ambient RӨJA 40 oC/W ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise specified) PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT Feedback Voltage VFB IOUT=0.2A 0.19 0.20 0.21 V Quiescent Current ICCQ VFB=0.5V force driver off -- 3 6 mA Feedback Bias Current IFB IOUT=0.1A -- 0.1 0.5 μA Shutdown Supply Current ISD VEN =0V -- 150 300 μA Switch Current Limit ISWLIMIT 2.5 -- -- A Oscillation Frequency fOSC 240 300 360 kHz Short Frequency fOSC -- 50 -- kHz EN/SS Pin Shutdown Logic input threshold voltage VSL Low (regulator OFF) -- -- 0.8 V EN/SS Pin Input Current IEN/SS VEN=0V -- 5 -- μA Internal MOSFET RDSON RDSON VCC=5V, VFB=0V -- 130 180 mΩ OVP Sense Voltage VOVP 0.833 0.850 0.867 V Thermal shutdown Temp TSD -- 150 -- °C Thermal shutdown Hysteresis TSH -- 40 -- °C Note: 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability. 2. RӨJA is measured with the PCB copper area(need connect to Exposed Pad) of approximately 1.5 in 2(Multi-layer). |
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