V

= 2.7 V to 6 V

IN

C

22 pF

ff

C

10

IN

mF

L

1.0 H

m

R

180 k

2

W

R

360 k

1

W

PVIN

PGND

EN

FB

TPS62060

SW

AVIN

AGND

V

1.8 V 1.6 A

OUT

TYPICAL APPLICATION CIRCUIT

C

10 F

OUT

m

50

55

60

65

70

75

80

85

90

95

100

V

= 4.2 V

IN

V

= 5 V

IN

V

= 3.7 V

IN

L = 1.2 H (NRG4026T 1R2),

C

= 22 F (0603 size),

V

= 3.3 V,

Mode: Auto PFM/PWM

m

m

OUT

OUT

0

0.6

1

1.2

1.4

1.6

I - Load Current - A

L

0.2

0.4

0.8

TPS62060

www.ti.com

SLVSA95 – MARCH 2010

3-MHz 1.6A Step Down Converter in 2x2 SON Package

Check for Samples: TPS62060

1

FEATURES

DESCRIPTION

2

•

3 MHz Switching Frequency

•

The TPS62060 is a highly efficient synchronous

step-down DC-DC converter and provides up to 1.6A

•

1.6A Output Current

output current.

•

Up to 97% Efficiency

With an input voltage range of 2.7V to 6V the device

•

Power Save Mode / 3 MHz Fixed-PWM Mode

is a perfect fit for power conversion from a single

•

Output Voltage Accuracy in PWM Mode ±1.5%

Li-Ion battery as well from 5V or 3.3V system supply

•

Output Discharge Function

rails.

The

TPS62060

operates

at

3-MHz

fixed

frequency and enters Power Save Mode operation at

•

Typical 18 µA Quiescent Current

light load currents to maintain high efficiency over the

•

100% Duty Cycle for Lowest Dropout

entire load current range. The Power Save Mode is

•

Voltage Positioning

optimized for low output voltage ripple. For low noise

applications, the device can be forced into fixed

•

Clock Dithering

frequency PWM mode by pulling the MODE pin high.

•

Supports Maximum 1mm Height Solutions

In the shutdown mode, the current consumption is

•

Available in a 2x2x0.75mm SON

reduced to less than 1µA and an internal circuit

discharges the output capacitor.

APPLICATIONS

TPS62060 is optimized for operation with a tiny

•

POL

1.0µH inductor and a small 10µF output capacitor to

•

Notebooks, Pocket PCs

achieve smallest solution size and high regulation

•

Portable Media Players

performance.

•

DSP Supply

The TPS62060 is available in a small 2x2x0.75mm

8-pin SON package.

vertical spacer

vertical spacer

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.