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TPS2410PW датащи(PDF) 8 Page - Texas Instruments |
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TPS2410PW датащи(HTML) 8 Page - Texas Instruments |
8 / 26 page TPS2410 TPS2411 SLVS727B – NOVEMBER 2006 – REVISED FEBRUARY 2007 DETAILED DESCRIPTION (continued) STAT: STAT indicates the status of the GATE pin drive. The internal weak pull-up drives STAT high when GATE is being driven high and V(GATE) is 0.4 V greater than V(A). Redundant devices may tie their STAT pins tied together to desensitize turnoff. If STAT is externally pulled low while the pin would otherwise be high, the turn-off threshold is shifted negative from the RSET programmed value. UV, OV, PG: These signals are used to monitor an input voltage for proper range. PG sinks current to GND if UV is below its threshold, OV is above its threshold, or VDD is below the internal UVLO. PG may not be valid when VDD is below the UVLO. A high input on OV causes GATE to be driven low. UV does not effect the MOSFET operation. This permits OV to be used as an active-high disable. OV and UV should be connected to ground when not used, and PG may be left open. Multiple PG pins to be wire ORed using a common pull-up resistor. VDD: VDD is the primary supply for the gate drive charge pump and other internal circuits. This pin must be connected a source that is 3 V or greater when the external MOSFET is to be turned on. VDD may be greater or lower than the controlled bus voltage. A 0.01- µF bypass capacitor, or 10-Ω and a 0.0 1-µF filter, is recommended because charge pump currents are drawn through VDD. 8 Submit Documentation Feedback |
Аналогичный номер детали - TPS2410PW |
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Аналогичное описание - TPS2410PW |
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