0

10

20

30

40

50

60

70

80

90

100

0.1

1

10

100

1000

I

-OutputCurrent-mA

O

MODE=GND,

V

=1.2V,

L =2.2 HMIPSZ20122R2(2012size),

C

=4.7 F

OUT

OUT

m

m

V

=5V

IN

V

=2.3V

IN

V

=3.6V

IN

V

=4.2V

IN

V

=2.7V

IN

0

10

20

30

40

50

60

70

80

90

100

0.1

1

10

100

1000

I

− OutputCurrent

O

− mA

V =3.6V

I

V

=1.35V

L =1 H

C

=10 F

O

O

m

m

FPFM/PWM

LPFM/PWM

3-MHzPWM

Bill of Materials

www.ti.com

Figure 6. Efficiency vs Output Current

Figure 7. Efficiency vs Output Current

8

High-Vin, High-Efficiency Power Solution Using DC/DC Converters With DVFS

SLVA339A – June 2009 – Revised May 2010

Copyright © 2009–2010, Texas Instruments Incorporated