TPS62671 datasheet(10/35 Pages) TI1

Part #	TPS62671

Description	500-mA/650-mA, 6-MHz High-Efficiency Step-Down Converter in Low Profile Chip Scale Packaging (Height < 0.4mm)

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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10 / 35 page

0

10

20

30

40

50

60

70

80

90

100

Always PFM

Always PWM

V

= 1.8 V

O

PFM to PWM

Mode Change

PWM to PFM

Mode Change

The switching mode changes

at these borders

2.7

3

3.3

3.6

3.9

4.2

4.5

4.8

V - Input Voltage - V

I

0.1

1

10

100

1000

I

-LoadCurrent-mA

O

1.235

1.247

1.260

1.273

1.285

V

=1.26V

PWMOperation

O

V =2.7V

I

V =4.5V

I

V =3.6V

I

1.764

1.782

1.800

1.818

1.836

0.1

1

10

100

1000

I

-LoadCurrent-mA

O

V

=1.8V

PFM/PWMOperation

O

V =3.6V

I

V =4.5V

I

V =2.7V

I

1.176

1.188

1.2

1.212

1.224

0.1

1

10

100

1000

I

-LoadCurrent-mA

O

V

=1.2V

PFM/PWMOperation

O

V =3.6V

I

V =4.5V

I

V =2.7V

I

0

2

4

6

8

10

12

14

16

18

20

22

0

20

40

60

80

100 120 140 160 180 200

I

-LoadCurrent-mA

O

V

=1.2V

O

V =3.6V

I

V =4.5V

I

V =2.7V

I

0

20

40

60

80

100 120 140 160 180 200

I

-LoadCurrent-mA

O

0

2

4

6

8

10

12

14

16

18

20

V =4.5V

I

V =2.7V

I

V =3.6V

I

V

=1.8V

O

TPS62671, TPS62672, TPS62674

TPS62675, TPS626751, TPS626765, TPS62679

SLVS952F – APRIL 2010 – REVISED JUNE 2014

www.ti.com

Typical Characteristics (continued)

Figure 7. Peak-To-Peak Output Ripple Voltage vs Load

Figure 8. Peak-To-Peak Output Ripple Voltage vs Load

Current

Figure 9. DC Output Voltage vs Load Current

Figure 10. DC Output Voltage vs Load Current

Figure 11. DC Output Voltage vs Load Current

Figure 12. PFM/PWM Boundaries

10

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Product Folder Links: TPS62671 TPS62672 TPS62674 TPS62675 TPS626751 TPS626765 TPS62679

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