LTM8027EVPBF datasheet(1/20 Pages) LINER

部件名	LTM8027EVPBF

功能描述	60V, 4A DC/DC Module Regulator

PDF	20 Pages

Scroll/Zoom	100%

制造商	LINER [Linear Technology]

网页	http://www.linear.com

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1 / 20 page

LTM8027

1

8027f

TYPICAL APPLICATION

FEATURES

APPLICATIONS

DESCRIPTION

60V, 4A DC/DC µModule

Regulator

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

supply. Included in the package are the switching control-

ler, power switches, inductor and all support components.

Operating over an input voltage range of 4.5V 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.

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.

The LTM8027 is packaged in a thermally enhanced, compact

(15mm

× 15mm) and low proﬁle (4.32mm) over-molded

land grid array (LGA) package suitable for automated

assembly by standard surface mount equipment. The

LTM8027 is Pb-free and RoHS compliant.

48W, 16VIN to 60VIN DC/DC μModule

® Regulator

n Complete Switch Mode Power Supply

n Wide Input Voltage Range: 4.5V to 60V

(7.5V Minimum Voltage to Start)

n Wide Output Voltage Range: 2.5V to 24V

(See Table 2)

n 4A Output Current

n Programmable Soft-Start

n 10μA Shutdown Supply Current

n Selectable Switching Frequency Current Mode

Control

n Up to 95% Efﬁciency

n Pb-Free (e4) RoHS Compliant Package with

Gold Pad Finish

n Tiny, Low Proﬁle (15mm

× 15mm × 4.32mm)

Surface Mount LGA Package

n 12V and 42V Automotive and Heavy Equipment

n 48V Telecom Power Supplies

n Avionics and Industrial Control Systems

n Distributed Power Converters

Efﬁciency vs Load

LOAD (A)

0

10

30

40

50

100

24VIN

70

1

2

8027 TA01b

20

80

90

60

3

4

VIN

RUN

SS

SYNC

RT

ADJ

VOUT

GND

3845 TA01a

LTM8027

VIN

16V TO 60V

VOUT

12V

4A

48.7k

1M

56.2k

4.7μF

2

22μF

4

BIAS1

BIAS2

AUX

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

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

类似零件编号 - LTM8027EVPBF

制造商	部件名	数据表	功能描述
Linear Technology	LTM8027EV	253Kb / 22P	Complete Switch Mode Power Supply
Linear Technology	LTM8027EV	433Kb / 6P	60V, 4A DC/DC µModule® Regulator

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