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TS2509 数据表(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS2509 数据表(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 9 page TS2509 3A / 500KHz PWM Buck Converter 2/9 Version: B09 Electrical Specifications (VIN=12V, Ta=25oC unless otherwise noted) Characteristics 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 Current limit ISW 4 -- -- A Line Regulation ∆VOUT/VOUT VCC = 5V~23V, IOUT =0.2A -- 0.6 1.2 % Load Regulation ∆VOUT/VOUT IOUT = 0.1 to 3A -- 0.2 0.4 % Oscillation Frequency FOSC SW pin 400 500 600 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 VCC = 5V, VFB =0V -- 90 140 Internal MOSFET RDSON VCC = 12V, VFB =0V -- 60 90 mΩ IOUT = 2A -- 91 -- Efficiency EFFI VOUT = 5V IOUT = 3A -- 90 -- % Thermal Shutdown Temp. TSD -- 125 -- ºC Block Diagram Pin Assignment Name Description FB Feedback pin EN H: Normal operation (Step-down) L: Step-down operation stopped (All circuit deactivated) Comp Compensation pin SW Switch pin. Connect external inductor/diode here Vcc IC power supply pin Vss Gnd pin |
类似零件编号 - TS2509_13 |
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类似说明 - TS2509_13 |
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