TPS62291DRVR datasheet(7/24 Pages) TI

Part #	TPS62291DRVR

Description	1-A Step Down Converter in 2 x 2 SON Package

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Manufacturer	TI [Texas Instruments]

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1.746

1.764

1.782

1.8

1.818

1.836

1.854

0.01

0.1

1

10

100

1000

V

=2.7V, T

=-40°C

IN

A

V

=2.7V,

T

=85°C

IN

A

V

=3.6V,

T

=85°C

IN

A

V

=4.5V,

T

=85°C

IN

A

V

=2.7V,

T

=25°C

IN

A

V

=3.6V,

T

=25°C

IN

A

V

=4.5V,

T

=25°C

IN

A

V

=4.5V, T

=-40°C

IN

A

V

=3.6V, T

=-40°C

IN

A

I

-OutputCurrent-mA

O

MODE=V ,

L =2.2 H

IN

m

1.78

1.80

1.82

1.84

1.86

1.88

1.90

0.01

0.1

1

10

100

1000

I

-OutputCurrent-mA

O

PFMMode,VoltagePositioningOn

PWMMode

V =4.5V, T =-40°C

I

A

V =3.6V, T =-40°C

I

A

V =2.7V, T =-40°C

I

A

V =4.5V, T =85°C

I

A

V =3.6V, T =85°C

I

A

V =2.7V, T =85°C

I

A

V =4.5V, T =25°C

I

A

V =3.6V, T =25°C

I

A

V =2.7V, T =25°C

I

A

MODE=GND,

L =2.2 H

m

3.20

3.22

3.24

3.26

3.28

3.30

3.32

3.34

3.36

3.38

3.40

0.01

0.1

1

10

100

1000

I

-OutputCurrent-mA

O

V

=3.3V,

MODE=V ,

L =2.2 H

O

I

m

T =25°C

A

T =-40°C

A

T =85°C

A

V =3.7V,4.2V,4.5V

I

3.25

3.30

3.35

3.40

3.45

3.50

0.01

0.1

1

10

100

1000

I

-OutputCurrent- mA

O

PFMMode,VoltagePositioningOn

PWMMode

V =4.5V,T =-40°C

I

A

V =4.5V,T =25°C

I

A

V =4.2V,T =-40°C

I

A

V =4.5V,T =85°C

I

A

V =4.2V,T =85°C

I

A

V =4.2V,T =25°C

I

A

Mode=GND,

L =2.2 H

m

TPS62290, TPS62291, TPS62293

SLVS764C – JUNE 2007 – REVISED MARCH 2008

OUTPUT VOLTAGE ACCURACY

(1.8V FORCED PWM MODE)

(1.8V POWER SAVE MODE)

vs

OUTPUT CURRENT

Figure 5.

Figure 6.

OUTPUT VOLTAGE ACCURACY

3.3V FORCED PWM MODE

3.3V POWER SAVE MODE

vs

OUTPUT CURRENT

Figure 7.

Figure 8.

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Product Folder Link(s): TPS62290 TPS62291 TPS62293

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