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SLG5NT1547VTR Datasheet(PDF) 2 Page - Dialog Semiconductor |
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SLG5NT1547VTR Datasheet(HTML) 2 Page - Dialog Semiconductor |
2 / 9 page 000-005NT1547-101 Page 2 of 9 SLG5NT1547V Pin Description Ordering Information Application Diagram Adjustable Ramp Rate vs. ON Pin Current (5.5 V, 25 °C) Adjustable Slew Rate (ON Pin 2) SLG5NT1547V has a built in configurable slew control feature. The configurable slew control uses current detection method on Pin 2. When ON voltage rise above ON_VIH_INI (1.2 V typical), the slew control circuit will measure the current flowing into Pin 2. Based on the current flowing into pin 2, different slew rates will be selected by the internal control circuit. See I_ON vs. Tslew table on page 2. The slew rate is configurable by selecting a different R1 resistor value as shown on application diagram on page 2. Calculating the R1 value depends on both the desired slew rate, and the VOH level of the device driving the ON Pin 2. ON_Current = (GPIO_VOH – ON_VREF (1.05 V typical)) / R1 Pin # Pin Name Type Pin Description 1 ON Input Turns on MOSFET. Configurable slew rate control depending on input cur- rent. 2 D MOSFET Drain of Power MOSFET 3 S MOSFET Source of Power MOSFET 4 GND GND Ground Part Number Type Production Flow SLG5NT1547V STDFN 4L Extended Commercial, -20 °C to 70 °C SLG5NT1547VTR STDFN 4L (Tape and Reel) Extended Commercial, -20 °C to 70 °C I_ON TSLEW (typ) 20 μA0.56 V/ms 50 μA1.34 V/ms 100 μA2.53 V/ms 150 μA3.71 V/ms 200 μA4.68 V/ms 250 μA5.63 V/ms 3.3 V Control IC D S GND Current Controls Ramp Rate ON R1 |
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