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TS2508A データシート(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS2508A データシート(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 8 page TS2508A 3A / 330KHz PWM Buck Converter 2/8 Version: A09 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 OCSET pin bias current IOCSET 110 130 150 uA Switch Current ISW 4 -- -- A Line Regulation ∆VOUT/VOUT VCC = 5V~20V, IOUT =0.2A -- 1 2 % Load Regulation IOCSET IOUT = 0.1 to 3A -- 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 VCC = 5V, VFB = 0V -- 90 140 mΩ Internal P-MOS RDSON RDSON VCC = 12V, VFB = 0V -- 55 90 mΩ IOUT = 2A -- 92 -- Efficiency EFFI VCC = 12V, VOUT = 5V IOUT = 3A -- 91 -- % Block Diagram Pin Assignment Name Description Name Description FB Feedback pin Vss GND pin EN H:Normal operation (Step-down) L:Step-down operation stopped (All circuit deactivated) Vss GND pin OCSET Add an external resistor to set max switch output current. SW Switch pin. Connect external inductor & diode here Vcc IC power supply pin SW Switch pin. Connect external inductor & diode here |
同様の部品番号 - TS2508A |
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同様の説明 - TS2508A |
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