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TS2507 Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS2507 Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 9 page TS2507 0.5A / 330KHz PWM Buck Controller 2/9 Version: A07 Electrical Specifications (VIN=12V, Ta=25oC unless otherwise noted) Block Diagram Pin Assignment Name Description Name Description EN Shutdown Control Input. H:normal operation (Step-down) L:Shutdown mode Gate Gate drive for external P-channel MOSFET. Comp Compensation pin LX LX is the current sense input. OCSET Add an external resistor to set max switch output current. Vss GND pin Vcc IC power supply pin FB Feedback pin Parameter Symbol Conditions Min Typ Max Units Feedback Voltage VFB IOUT=0.1A 0.784 0.800 0.816 V Quiescent Current Iq VFB=1.2V force driver off -- 3 5 mA Feedback Bias Current IFB IOUT=0.1A -- 0.1 0.5 uA Shutdown Supply Current ISD VEN =0V -- 2 10 uA OCSET pin bias current IOCSET 95 110 125 uA Line Regulation ∆VOUT/VOUT VCC = 5V~24V, IOUT=0.2A -- 0.6 1.2 % Load Regulation ∆VOUT/VOUT IOUT = 0.1 to 5A -- 0.3 0.5 % Oscillation Frequency FOSC SW pin 260 330 400 KHz VSH High (regulator ON) 2.0 -- -- EN Pin Logic input threshold voltage VSL Low (regulator OFF) -- -- 0.8 V ISH VEN=2.5V (ON) -- 20 -- uA EN Pin Input Current ISL VEN=0.3V (OFF) -- -10 -- uA Soft-Start Time TSS 0.3 4 8 ms LX Rise Time TLXR CLX=1000pF -- 45 -- LX Fall Time TLXF CLX=1000pF -- 45 -- nS IOUT = 2A -- 92 -- Efficiency EFFI VOUT = 5V IOUT = 3A -- 91 -- % Thermal shutdown Temp TSD -- 125 -- ℃ |
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