MODE

FB

GND

SW

EN

VIN

1

2

3

6

5

4

Ex

po

se

d

Th

er

m

al

Pa

d

TPS62290, TPS62291, TPS62293

www.ti.com

SLVS764F – JUNE 2007 – REVISED JANUARY 2016

5 Device Comparison Table

PART NUMBER

TPS62290

Adjustable

BYN

TPS62291

3.3 V fixed

CFY

TPS62293

1.8 V fixed

CFD

(1)

Contact TI for other fixed output voltage options

(2)

For the most current package and ordering information, see Mechanical, Packaging, and Orderable Information, or see the TI website at

www.ti.com

6 Pin Configuration and Functions

DRV Package

6-PIN SON

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NAME

NO.

This is the enable pin of the device. Pulling this pin to low forces the device into shutdown mode. Pulling

EN

4

IN

this pin to high enables the device. This pin must be terminated.

Feedback pin for the internal regulation loop. Connect the external resistor divider to this pin. In case of

FB

3

IN

fixed output voltage option, connect this pin directly to the output capacitor

GND

6

PWR

GND supply pin

MODE pin = High forces the device to operate in fixed-frequency PWM mode. Mode pin = Low enables

MODE

2

IN

the power save mode with automatic transition from PFM mode to fixed-frequency PWM mode.

This is the switch pin and is connected to the internal MOSFET switches. Connect the external inductor

SW

1

OUT

between this terminal and the output capacitor.

VIN

5

PWR

Exposed

Thermal

Connect the exposed thermal pad to GND.

Pad

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Product Folder Links: TPS62290 TPS62291 TPS62293