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TS19460 Folha de dados(PDF) 5 Page - Taiwan Semiconductor Company, Ltd |
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TS19460 Folha de dados(HTML) 5 Page - Taiwan Semiconductor Company, Ltd |
5 / 9 page TS19460 Taiwan Semiconductor Document Number: DS_P0000188 5 Version: D15 FUNCTION BLOCK DIAGRAM PIN DESCRIPTION PIN NO. NAME FUNCTION 1 VIN This pin is the input of 8V~450V linear regulator 2 CS This pin is the current sense pin used to sense the MOSFET current by means of an external sense resistor. 3 GND Ground return for all internal circuitry. This pin must be electrically connected to the ground of the power train. 4 GATE This pin is the output GATE driver for an external N-CH Power MOSFET 5 PWMD This is the PWM dimming input of the IC. When this pin is pulled to GND, the Gate Driver is turned off. When the pin is pulled high, the GATE driver operates normally. 6 VDD This is the power supply pin for all internal circuits. It must be bypassed with a low ESR capacitor to GND (≥0.1µF) 7 LD This pin is the linear dimming input and sets the current sense threshold as long as the voltage at the pin is less than 1.5V, The Gate output is disable when LD voltage <150mV(typ.) and recovery when LD voltage >200mV (typ.) 8 RT A resistor is connected between RT and GND to program the Gate off-time. |
Nº de peça semelhante - TS19460 |
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Descrição semelhante - TS19460 |
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