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TPS7A1633-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS7A1633-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 29 page IN DELAY NC EN OUT FB/DNC PG GND 1 2 3 4 8 7 6 5 TPS7A1601-Q1, TPS7A1633-Q1, TPS7A1650-Q1 www.ti.com SBVS188C – MARCH 2012 – REVISED DECEMBER 2014 5 Pin Configuration and Functions DGN PACKAGE HVSSOP 8 Pins (TOP VIEW) Pin Functions PIN I/O DESCRIPTION NAME NO. Delay pin. Connect a capacitor to GND to adjust the PG delay time; leave open if the reset function is not DELAY 7 O needed. Enable pin. This pin turns the regulator on or off. If VEN ≥ VEN_HI, the regulator is enabled. EN 5 I If VEN ≤ VEN_LO, the regulator is disabled. If not used, the EN pin can be connected to IN. Make sure that VEN ≤ VIN at all times. For the adjustable version (TPS7A1601-Q1), the feedback pin is the input to the control-loop error amplifier. This FB/DN pin is used to set the output voltage of the device when the regulator output voltage is set by external resistors. 2 I C For the fixed voltage versions: Do not connect to this pin. Do not route this pin to any electrical net, not even GND or IN. GND 4 GND Ground pin Regulator input supply pin. A capacitor > 0.1 µF must be tied from this pin to ground to assure stability. It is recommended to connect a 10-µF ceramic capacitor from IN to GND (as close to the device as possible) to IN 8 IN reduce circuit sensitivity to printed-circuit-board (PCB) layout, especially when long input tracer or high source impedances are encountered. NC 6 --- This pin can be left open or tied to any voltage between GND and IN. Regulator output pin. A capacitor > 2.2 µF must be tied from this pin to ground to assure stability. It is OUT 1 O recommended to connect a 10-µF ceramic capacitor from OUT to GND (as close to the device as possible) to maximize ac performance. PG 3 O Power-good pin. Open-collector output; leave open or connect to GND if the power-good function is not needed. Solder to printed circuit board (PCB) to enhance thermal performance. Although it can be left floating, it is highly Thermal pad --- recommended to connect the thermal pad to the GND plane. Copyright © 2012–2014, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TPS7A1601-Q1 TPS7A1633-Q1 TPS7A1650-Q1 |
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