(TOP VIEW)

(BOTTOM VIEW)

A1

B1

C1

A2

B2

C2

VOUT

LOAD

VSEL3

VIN

A3

C3

VSEL1

VSEL2

A3

C3

A2

B2

C2

VIN

EN

VSEL1

VOUT

C1

VSEL3

LOAD

A1

B1

B3

CTRL

B3

CTRL

EN

GND

VSEL2

GND

TPS82740A, TPS82740B

www.ti.com

SLVSCE3A – JUNE 2014 – REVISED JUNE 2014

6 Device Comparison Table

PACKAGE

OUTPUT VOLTAGE SETTINGS

PART NUMBER

(VSEL1, VSEL2, VSEL3)

MARKING

TPS82740A

1.8V to 2.5V in 100mV steps

E7

TPS82740B

2.6V to 3.3V in 100mV steps

E8

7 Pin Configuration and Functions

MicroSIP™

9 Bump

Table 1. Pin Functions

PIN

I/O

DESCRIPTION

NAME

NO

VIN

C3

IN

Input voltage supply pin of the module.

GND

C2

-

Ground terminal.

CTRL

B2

IN

CTRL pin controls the LOAD output pin. With CTRL = low, the LOAD output is disabled. This pin must be

terminated and not left floating.

VOUT

C1

OUT

Output voltage pin of the module. An internal load switch is connected between VOUT pin and LOAD pin.

LOAD

B1

OUT

Load switch output pin controlled by the CTRL pin. With CTRL = high, an internal load switch connects the

LOAD pin to the VOUT pin. The LOAD pin allows connect / disconnect other system components to the

output of the DC/DC converter. This pin is pulled to GND with the CTRL pin = low. The LOAD pin features

soft switching. If not used, leave the pin open.

VSEL3

A1

IN

and can be changed during operation.

VSEL2

A2

IN

VSEL1

A3

IN

EN

B3

IN

High level enables the devices and low level turns the device into shutdown mode. This pin must be

terminated and not left floating.

Table 2. Output Voltage Setting TPS82740A

Device

VOUT

VSEL3

VSEL2

VSEL1

1.8

0

0

0

1.9

0

0

1

2.0

0

1

0

2.1

0

1

1

TPS82740A

2.2

1

0

0

2.3

1

0

1

2.4

1

1

0

2.5

1

1

1

Copyright © 2014, Texas Instruments Incorporated

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