1

2

3

4

5

10

9

8

7

6

VIN

LBO

GND

PG

FB

PGND

SW

EN

SYNC

LBI

TPS62050, TPS62051, TPS62052, TPS62054, TPS62056

www.ti.com

SLVS432F – SEPTEMBER 2002 – REVISED JUNE 2015

6 Device Comparison Table

PACKAGED DEVICES

OUTPUT VOLTAGE

LBI/LBO FUNCTIONALITY

TPS62050DGS

Adjustable 0.7 V to 6 V

Standard

TPS62051DGS

Adjustable 0.7 V to 6 V

Enhanced

TPS62052DGS

1.5 V

Standard

TPS62054DGS

1.8 V

Standard

TPS62056DGS

3.3 V

Standard

(1)

The DGS packages are available taped and reeled. Add an R suffix to the device type (that is, TPS62050DGSR) to order quantities of

2500 devices per reel.

7 Pin Configuration and Functions

DGS Package

10-Pin VSSOP

Top View

Pin Functions

PIN

I/O

DESCRIPTION

NAME

NO.

EN

8

I

Enable. A logic high enables the converter, logic low forces the device into shutdown mode, reducing the supply

current to less than 2 µA.

FB

5

I

Feedback pin for the fixed output voltage option. For the adjustable version, an external resistive divider is

connected to this pin. The internal voltage divider is disabled for the adjustable version.

GND

3

I

Ground

LBI

6

I

Low battery input.

LBO

2

O

Open-drain low battery output. Logic low signal indicates a low battery voltage.

PG

4

O

Power good comparator output. This is an open-drain output. A pullup resistor must be connected between PG

and VOUT. The output floats when the output voltage is greater than 95% of the nominal value.

PGND

10

I

Power ground. Connect all power grounds to this pin.

SW

9

O

Connect the inductor to this pin. This pin is the switch pin and connected to the drain of the internal power

MOSFETS.

SYNC

7

I

Input for synchronization to the external clock signal. This input can be connected to an external clock or pulled to

logic level determines if the device operates in fixed PWM or PWM/PFM mode.

SYNC = HIGH: Low-noise mode enabled, fixed-frequency PWM operation is forced.

SYNC = LOW (GND): Power save mode enabled, PFM/PWM mode enabled.

VIN

1

I

Supply voltage input.

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Product Folder Links: TPS62050 TPS62051 TPS62052 TPS62054 TPS62056