LTM4693

1

Rev. 0

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TYPICAL APPLICATION

FEATURES

DESCRIPTION

µModule Regulator

The LTM®4693 is an ultrathin, highly efficient, 2A buck-

input voltages above, below or equal to the output volt-

age. Included in the package are the switching control-

ler, power MOSFETs, inductor and support components.

The LTM4693’s advanced topology provides a continu-

from 2.6V to 5.5V covers a wide variety of power sources

including typical 3.3V and 5V. Output voltage ranging

from 1.8V to 5.5V is set by an external resistor. Only a few

external components are needed for a typical application.

rent to 15μA, ensuring high efficiency across the entire

load range. To optimize applications for highest efficiency,

the switching frequency can be programmed between

1MHz to 4MHz or synchronized to an external clock for

noise sensitive circuits.

LTM4693 is available in ultrathin, 3.5mm × 4mm ×1.25mm

LGA Package. The LTM4693 is Pb-free and RoHS compliant.

APPLICATIONS

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Wide Input Voltage Range: 2.6V to 5.5V

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Adjustable Output Voltage Range: 1.8V to 5.5V

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(Buck Mode and Buck-Boost Mode);

Minimum 1A Continuous Output Current

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Low Ripple Buck-Boost Architecture

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Ultrathin, Small Surface Mount Footprint

3.5mm × 4mm × 1.25mm LGA Package

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Telecom, Datacom (Optical Modules) and

Industrial Equipment

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Medical and Industrial Instruments

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Wireless RF Transmitter

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Battery Powered System

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2.6V to 5.5V

3.3V/1.5A

(2A AT BUCK)

2.2nF

10k

LTM4693

GND

MODE/SYNC

FREQ

SS

RUN/UVLO

COMP

4693 TA01a

FB

22µF

26.2k

0.1µF

22µF

PINS NOT USED:

SW1, SW2

LOAD CURRENT (A)

0

0.5

1

1.5

2

60

65

70

75

80

85

90

95

100

4693 TA01a