Thermal

Shutdown

Current

Limit

UVLO

Bandgap

IN

EN

OUT

EEPROM

LOGIC

IN

NC

EN

6

5

4

OUT

NC

GND

1

2

3

OUT

B2

A2

B1

A1

IN

EN

GND

TPS727xx

SBVS128B – JUNE 2009 – REVISED APRIL 2010

www.ti.com

DEVICE INFORMATION

Figure 1. Functional Block Diagram

PIN CONFIGURATIONS

space

YFF PACKAGE

DSE PACKAGE

WCSP-4

1,5mm × 1,5mm SON-6

(TOP VIEW)

(TOP VIEW)

Note:

EN pin marked with dot on YFF package.

PIN DESCRIPTIONS

TPS727xx

NAME

YFF

DSE

DESCRIPTION

Regulated output voltage pin. A small 1mF ceramic capacitor is needed from this pin to ground to assure

OUT

B2

1

stability. See Input and Output Capacitor Requirements in the Application Information section for more

details.

NC

—

2

No connection. This pin can be tied to to ground to improve thermal dissipation.

GND

B1

3

Ground pin.

Enable pin. Driving EN over 0.9V turns on the regulator. Driving EN below 0.4V puts the regulator into

EN

A1

4

shutdown mode, thus reducing the operating current to 120nA, nominal.

NC

—

5

No connection. This pin can be tied to to ground to improve thermal dissipation.

Input pin. A small capacitor is needed from this pin to ground to assure stability. See Input and Output

IN

A2

6

Capacitor Requirements in the Application Information section for more details.

4

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