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TPS79418DCQ Datasheet(PDF) 4 Page - Texas Instruments |
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TPS79418DCQ Datasheet(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com _ + Thermal Shutdown Bandgap Reference 1.225 V VIN Current Sense R2 IN GND EN OUT SHUTDOWN Vref UVLO ILIM External to the Device FB R1 UVLO 250 k Ω NR(1) (1) Not Available on DCQ (SOT223) options. Quickstart _ + Thermal Shutdown VIN Current Sense R1 R2 IN GND EN OUT SHUTDOWN Vref UVLO ILIM Bandgap Reference 1.225 V UVLO 250 k Ω NR Quickstart R2 = 40k TPS794xx SLVS349E – NOVEMBER 2001 – REVISED DECEMBER 2005 FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION Terminal Functions TERMINAL DESCRIPTION DGN DCQ NAME (MSOP) (SOT223) Connecting an external capacitor to this pin bypasses noise generated by the internal bandgap, which NR 4 5 improves power-supply rejection and reduces output noise. The EN terminal is an input that enables or shuts down the device. When EN is a logic high, the device EN 6 1 is enabled. When the device is a logic low, the device is in shutdown mode. FB 3 5 Feedback input voltage for the adjustable device. GND 5, PAD 3, 6 Regulator ground IN 8 2 Unregulated input to the device. NC 2, 7 No internal connection. OUT 1 4 Regulator output 4 Submit Documentation Feedback |
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