LTM8048

1

8048ff

For more information www.linear.com/LTM8048

INPUT VOLTAGE (V)

0

330

230

130

280

180

80

10

20

8048 TA01b

30

5

15

25

TYPICAL APPLICATION

FEATURES

DESCRIPTION

µModule DC/DC Converter

with LDO Post Regulator

The LTM®8048 is an isolated flyback µModule DC/DC

converter with LDO post regulator. The LTM8048 has an

isolation rating of 725VDC. Included in the package are

the switching controller, power switches, transformer, and

all support components. Operating over an input voltage

range of 3.1V to 32V, the LTM8048 supports an output

voltage range of 2.5V to 13V, set by a single resistor. There

is also a linear post regulator whose output voltage is ad-

justable from 1.2V to 12V as set by a single resistor. Only

output, input, and bypass capacitors are needed to finish

the design. Other components may be used to control the

soft-start control and biasing.

The LTM8048 is packaged in a thermally enhanced, com-

pact (11.25mm

× 9mm × 4.92mm) over-molded ball grid

array (BGA) package suitable for automated assembly by

standard surface mount equipment. The LTM8048 is avail-

able with SnPb (BGA) or RoHS compliant terminal finish.

L

, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of

Linear Technology Corporation. All other trademarks are the property of their respective owners.

APPLICATIONS

n

Complete Switch Mode Power Supply

n

725VDC Isolation

n

Wide Input Voltage Range: 3.1V to 32V

n

2.5V to 13V Output Range

n

Up to 300mA

1.2V to 12V Output Range

n

Current Mode Control

n

Programmable Soft-Start

n

User Configurable Undervoltage Lockout

n

SnPb or RoHS Compliant Finish

n

Low Profile (11.25mm

× 9mm × 4.92mm) Surface

Mount BGA Package

n

Industrial Sensors

n

Industrial Switches

n

Ground Loop Mitigation

725V DC Isolated Low Noise µModule Regulator

725VDC ISOLATION

LTM8048

8048 TA01

3.1V TO 29V

5V

5.7V

10µF

22µF

2.2µF

4.7µF

6.19k

162k

RUN

ADJ1

SS

BYP

BIAS

GND

ADJ2