Datasheet > LTM8048

LTM8048

更新时间： 2023-12-20 18:44:05

品牌	Logo	应用领域
亚德诺 - ADI		转换器稳压器
页数	文件大小	规格书
20页	260K
描述
具 LDO 后置稳压器的 3.1VIN 至 32VIN 隔离式 μModule DC/DC 转换器

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LTM8048 数据手册

LTM8048

3.1V to 32V Isolated

µModule DC/DC Converter

with LDO Post Regulator

FEATURES

DESCRIPTION

Complete Switch Mode Power Supply

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

theswitchingcontroller, powerswitches, 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.

725VDC Isolation

Wide Input Voltage Range: 3.1V to 32V

Output:

OUT1

Up to 440mA (V

= 2.5V, 24V )

OUT1

2.5V to 13V Output Range

OUT2

Low Noise Linear Post Regulator:

Up to 300mA

1.2V to 12V Output Range

Current Mode Control

Programmable Soft-Start

User Configurable Undervoltage Lockout

SnPb or RoHS Compliant Finish

Low Profile (11.25mm × 9mm × 4.92mm) Surface

Mount BGA Package

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

standardsurfacemountequipment.TheLTM8048isavail-

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

APPLICATIONS

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.

Industrial Sensors

Industrial Switches

Ground Loop Mitigation

TYPICAL APPLICATION

Total Output Current vs V_IN

725V DC Isolated Low Noise µModule Regulator

330

LTM8048

5.7V

280

OUT1

3.1V TO 29V

2.2µF

OUT2

RUN

BIAS

OUT2

BYP

230

180

130

4.7µF

6.19k

22µF

10µF

ADJ1

ADJ2

–

162k

GND

OUT

8048 TA01

725VDC ISOLATION

INPUT VOLTAGE (V)

8048 TA01b

8048fg

For more information www.linear.com/LTM8048

12 3 4 5 6 7...20

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