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4 Pin Configuration and Functions

OUT

GND

NR/FB

TABISGND

Figure 4-1. DCQ Package, 6-Pin SOT-223 (Top View)

N/C

OUT

N/C

NR/FB

GND

Figure 4-2. DRB Package, 8-Pin VSON (Top View)

N/C

OUT

NR/FB

GND

Power dissipation can limit operating range. Check the Thermal

Information table.

Figure 4-3. DRV Package(A), 6-Pin WSON

(Top View)

Table 4-1. Pin Functions

Type(1)

DESCRIPTION

NAME

SOT-223

VSON

WSON

Unregulated input supply

GND

3, 6

4, Pad

3, Pad

—

Ground

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

the regulator into shutdown mode. See the Enable Pin and Shutdown section

for more details. EN must not be left floating and can be connected to IN if not

used.

—

Fixed voltage versions only—connecting an external capacitor to this pin

bypasses noise generated by the internal band gap, reducing output noise

to very low levels.

Adjustable voltage version only—this is the input to the control loop error

amplifier, and is used to set the output voltage of the device.

OUT

Regulator output. A 1.0-μF or larger capacitor of any type is required for

stability.

—

2, 6, 7

—

Not connected

(1)

I = Input; O = Output

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TPS737

SBVS067W – JANUARY 2006 – REVISED AUGUST 2025

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