LTM4602

1

4602fa

6A High Efficiency

DC/DC µModule

supply. Included in the package are the switching control-

ler, power FETs, inductor, and all support components.

Operating over an input voltage range of 4.5V to 20V, the

LTM4602 supports an output voltage range of 0.6V to 5V,

set by a single resistor. This high efficiency design delivers

6A continuous current (8A peak), needing no heat sinks or

airflow to meet power specifications. Only bulk input and

output capacitors are needed to finish the design.

The low profile package (2.8mm) enables utilization of

unused space on the bottom of PC boards for high density

point of load regulation. High switching frequency and an

adaptive on-time current mode architecture enables a very

fast transient response to line and load changes without

sacrificing stability. Fault protection features include

integrated overvoltage and short circuit protection with

a defeatable shutdown timer. A built-in soft-start timer is

adjustable with a small capacitor.

The LTM4602 is packaged in a thermally enhanced, compact

(15mm × 15mm) and low profile (2.8mm) over-molded

Land Grid Array (LGA) package suitable for automated as-

sembly by standard surface mount equipment. For the 4.5V

to 28V input range version, refer to the LTM4602HV.

Pad Finish

2.8mm) Surface Mount LGA Package

6A μModule

Efficiency vs Load Current

4602 TA01a

LTM4602

PGND SGND

4.5V TO 20V

1.5V

6A

66.5k

LOAD CURRENT (A)

0

0

10

30

40

50

100

70

2

4

4602 TA01b

20

80

90

60

6

8

*950kHz INSTEAD OF 1.3MHz

INCREASES 3.3V EFFICIENCY 2%

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

μModule is a trademark of Linear Technology Corporation. All other trademarks are the property

of their respective owners. Protected by U.S. Patents including 5481178, 6100678, 6580258,

5847554, 6304066.

TYPICAL APPLICATION

FEATURES

APPLICATIONS

DESCRIPTION