TPS73033DBVT datasheet(3/43 Pages) TI2

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4 Pin Configuration and Functions

GND

OUT

NC/NR

Figure 4-1. DBV Package, 5-Pin SOT-23 Fixed-

Voltage Version (Top View)

GND

OUT

NC/NR

Figure 4-2. DBV Package, 6-Pin SOT-23 Adjustable-

Voltage Version (Top View)

OUT

GND

Figure 4-3. YZQ Package, 5-Pin DSBGA (Top View, Legacy Chip)

Table 4-1. Pin Functions

I/O

DESCRIPTION

NAME

DBV

YZQ

Enable pin. Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts

the regulator into shutdown mode. EN can be connected to IN if not used.

—

Feedback pin. This terminal is the feedback input pin for the adjustable device. Fixed voltage

versions in the DBV package do not have this pin.

GND

—

Regulator ground.

Input to the device.

NC/NR

—

Noise-reduction pin (legacy chip). Connecting an external capacitor to this pin filters noise

generated by the internal band gap. This configuration improves power-supply rejection and

reduces output noise for the legacy chip and YZQ package.

No connect pin (new chip). This pin is not internally connected. Connect to GND for improved

thermal performance or leave floating. For lower noise performance on a fixed device, refer

to the TPS7A20. For lower noise performance on the adjustable version, consider using a

feed-forward capacitor.

OUT

Output of the regulator.

www.ti.com

TPS730

SBVS054K – NOVEMBER 2004 – REVISED JUNE 2025

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