TPS62665 datasheet(6/27 Pages) TI1

No. de pieza	TPS62665

Descripción Electrónicos	1000-mA, 6-MHz High-Efficiency Step-Down Converter in Chip Scale Packaging

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Fabricante Electrónico	TI1 [Texas Instruments]

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6 / 27 page

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100

2.3

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

V -InputVoltage-V

I

V

=1.8V(TPS62660)

PFM/PWMOperation

O

I

=300mA

O

I

=100mA

O

I

=1mA

O

0

50 100 150 200 250 300 350 400 450 500 550 600

I

-LoadCurrent-mA

O

0

2

4

6

8

10

12

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28

30

V

=1.8V(TPS62660)

O

V =4.8V

I

V =3.6V

I

V =2.5V

I

1

10

100

1000

I

-LoadCurrent-mA

O

L =muRataLQM21PN1R0

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91

L = Aircoil(0.5 H,DCR=20m )

m

W

V =3.6V

V

=1.8V(TPS62660)

PFM/PWMOperation

I

O

L =muRataLQM21PN0R54

I

-LoadCurrent-mA

O

0

10

20

30

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80

90

100

0.1

1

10

100

1000

V =2.7V

PFM/PWMOperation

I

V =3.6V

PFM/PWMOperation

I

V =4.2V

PFM/PWMOperation

I

V

=1.2V

O

0.1

1

10

100

1000

I

-LoadCurrent-mA

O

V

=1.8V(TPS62660)

O

10

20

30

40

50

60

70

80

90

100

V =3.6V

PFM/PWMOperation

I

V =4.2V

PFM/PWMOperation

I

V =3.6V

ForcedPWMOperation

I

V =2.7V

PFM/PWMOperation

I

10

20

30

40

50

60

70

80

90

100

0.1

1

10

100

1000

I

-LoadCurrent-mA

O

V =2.7V

PFM/PWMOperation

I

V =3.6V

PFM/PWMOperation

I

V =4.2V

PFM/PWMOperation

I

V =3.6V

ForcedPWMOperation

I

V

=1.8V(TPS62661)

L =muRataLQM2MPN1R0NG0

O

6

TPS62660, TPS62665

SLVS871D – FEBRUARY 2010 – REVISED JUNE 2016

www.ti.com

Product Folder Links: TPS62660 TPS62665

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Typical Characteristics (continued)

Figure 1. Efficiency vs Load Current

Figure 2. Efficiency vs Load Current

Figure 3. Efficiency vs Load Current

Figure 4. Efficiency vs Load Current

Figure 5. Efficiency vs Input Voltage

Figure 6. Peak-to-Peak Output Ripple Voltage vs Load

Current

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