50

55

60

65

70

75

80

85

90

95

100

0

0.25

0.5

0.75

1

1.25

1.5

1.75

2

I - Load Current - A

L

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

TYPICAL APPLICATION CIRCUIT

L

1.0 H

m

C

10 F

OUT

m

V

= 2.9 V to 5.5 V

IN

C

22 pF

ff

R

180 k

2

W

R

360 k

1

W

C

10

IN

mF

PVIN

PGND

EN

FB

TLV62065

SW

AVIN

AGND

V

1.8 V 2 A

OUT

MODE

TLV62065

www.ti.com

SLVSAC4A – NOVEMBER 2010 – REVISED JULY 2012

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

Check for Samples: TLV62065

1

FEATURES

DESCRIPTION

2

•

The TLV62065 is a high efficient synchronous step

•

Up to 97% Efficiency

down DC-DC converter. It provides up to 2.0A output

•

Power Save Mode / 3MHz Fixed PWM Mode

current.

•

Output Voltage Accuracy in PWM Mode ±2.0%

With an input voltage range of 2.9V to 5.5V the

•

Output Capacitor Discharge Function

device is a perfect fit for power conversion from a 5V

or 3.3V system supply rail. The TLV62065 operates

•

Typical 18 µA Quiescent Current

at 3MHz fixed frequency and enters Power Save

•

100% Duty Cycle for Lowest Dropout

Mode operation at light load currents to maintain high

•

For Improved Feature Set See TPS62065

efficiency over the entire load current range. For low

noise applications, TLV62065 can be forced into fixed

•

Available in a 2x2x0.75mm SON

frequency PWM mode by pulling the MODE pin high.

APPLICATIONS

In the shutdown mode, the current consumption is

reduced to less than 1µA and an internal circuit

•

Point Of Load (POL)

discharges the output capacitor.

•

Notebooks, Pocket PCs

TLV62065 operates with a 1.0µH inductor and 10µF

•

Portable Media Players

output capacitor.

•

Set Top Box

The TLV62065 is available in a small 2x2x0.75mm 8-

pin SON package.

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 © 2010–2012, 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.