Datasheet > LTM8027

LTM8027

更新时间： 2023-12-20 18:46:31

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
22页	620K
描述
60V、4A DC/DC μModule 稳压器

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LTM8027 数据手册

LTM8027

60V, 4A DC/DC

µModule Regulator

FEATURES

DESCRIPTION

The LTM^®8027 is a complete 4A, DC/DC step-down power

supply. Included in the package are the switching control-

ler,powerswitches,inductorandallsupportcomponents.

Operatingoveraninput voltage rangeof4.5V to 60V (7.5V

minimum voltage to start), the LTM8027 supports output

voltages up to 24V, and a switching frequency range of

100kHz to 500kHz, each set by a single resistor. Only

the bulk input and output filter capacitors are needed to

finish the design.

Complete Switch Mode Power Supply

Wide Input Voltage Range: 4.5V to 60V

(7.5V Minimum Voltage to Start)

Wide Output Voltage Range: 2.5V to 24V

(See Table 2)

4A Output Current

Programmable Soft-Start

9µA Shutdown Supply Current

Selectable Switching Frequency Current Mode

Control

Up to 95% Efficiency

The low profile package (4.32mm) enables utilization of

unused space on the bottom of PC boards for high den-

sity point of load regulation. A built-in soft-start timer is

adjustable with a small capacitor.

SnPb (BGA) or RoHS Compliant (LGA and BGA)

Finish

Surface Mount LGA (15mm × 15mm × 4.32mm)

The LTM8027 is packaged in a compact (15mm × 15mm

×4.32mm)over-moldedlandgridarray(LGA)and(15mm

× 15mm × 4.92mm) BGA package suitable for automated

assembly by standard surface mount equipment. The

LTM8027 is available with SnPb (BGA) or RoHS compli-

ant terminal finish.

and (15mm × 15mm × 4.92mm) BGA Packages

APPLICATIONS

12V and 42V Automotive and Heavy Equipment

48V Telecom Power Supplies

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.

Avionics and Industrial Control Systems

Distributed Power Converters

TYPICAL APPLICATION

48W, 16V_INto 60V_INDC/DC µModule^®Regulator

Efficiency vs Load

100

OUT

24V

12V

OUT

16V TO 60V

4.7µF

×2

LTM8027

RUN

BIAS1

BIAS2

AUX

22µF

×4

SYNC

ADJ

GND

48.7k

56.2k

3845 TA01a

LOAD (A)

8027 TA01b

8027fd

For more information www.linear.com/LTM8027

12 3 4 5 6 7...22

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