0.0

0.1

0.2

0.3

0.4

0.5

0.6

0

10

20

30

40

50

60

70

80

90

100

LOAD CURRENT (A)

1.2Vout

3.3Vout

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0

10

20

30

40

50

60

70

80

90

100

LOAD CURRENT (A)

1.2Vout

3.3Vout

LMR14206

www.ti.com

SNVS733D – OCTOBER 2011 – REVISED APRIL 2013

Check for Samples: LMR14206

1

FEATURES

DESCRIPTION

The LMR14206 is a PWM DC/DC buck (step-down)

2

•

Input Voltage Range of 4.5V to 42V

regulator. With a wide input range from 4.5V-42V,

•

Output Voltage Range of 0.765V to 34V

they are suitable for a wide range of applications

•

Output Vurrent up to 0.6A

such

as

power

conditioning

from

unregulated

•

1.25 MHz Switching Frequency

internal switch for maximum efficiency (85% typical).

•

Low Shutdown Iq, 16 µA Typical

Operating frequency is fixed at 1.25 MHz allowing the

•

Short Circuit Protected

use of small external components while still being

able to have low output voltage ripple. Soft-start can

•

Internally Compensated

be implemented using the shutdown pin with an

•

Soft-Start Function

external RC circuit allowing the user to tailor the soft-

•

Thin 6-Pin SOT Package (2.97 x 1.65 x 1mm)

start time to a specific application.

•

Fully Enabled for WEBENCH® Power Designer

The LMR14206 is optimized for up to 600 mA load

current with a 0.765V nominal feedback voltage.

PERFORMANCE BENEFITS

•

Tight Accuracy for Powering Digital ICs

under-voltage lockout, and gate drive under-voltage

•

Extremely Easy to Use

lockout. The LMR14206 is available in a low profile 6-

pin SOT package.

•

Tiny Overall Solution Reduces System Cost

APPLICATIONS

•

Point-of-Load Conversions from 5V, 12V, and

24V Rails

•

Space Constrained Applications

•

Battery Powered Equipment

•

Industrial Distributed Power Applications

•

Power Meters

•

Portable Hand-Held Instruments

System Performance

Efficiency vs Load Current

Efficiency vs Load Current

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

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2013, 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.