LTM4615 datasheet(32/32 Pages) LINER

32 / 32 page

LTM4639

4639f

For more information www.linear.com/LTM4639

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LINEAR TECHNOLOGY CORPORATION 2014

LT 0914 • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM4639

RELATED PARTS

DESIGN RESOURCES

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LTM4637

Higher VIN Range Than the LTM4639

4.5V ≤ VIN ≤ 20V, 20A

LTM4611

Lower VIN Range Than the LTM4639

1.5V ≤ VIN ≤ 5.5V,15A, Auxiliary VBIAS Not Required

LTM4644

Quad Output, 4A Each

2.375V ≤ VIN ≤ 14V, Low VIN Required Auxiliary VBIAS, Current Share to 16A

LTM4615

Triple Output, 4A, 4A, 1.5A

2.375V ≤ VIN ≤ 5.5V, Auxiliary VBIAS Not Required

LTM4616

Dual Output, 8A Each

2.7V ≤ VIN ≤ 5.5V, Current Share to 16A, Auxiliary VBIAS Not Required

LTM4608A

Lower IOUT and Smaller Package Than the LTM4639

2.7V ≤ VIN ≤ 5.5V, 8A, 9mm × 15mm × 2.8mm

1.8V at 20A Design with Input Current and Temperature Monitoring

PGOOD

VOUT

VOUT_LCL

DIFF_OUT

VOSNS+

VOSNS–

VFB

LTM4639

RFB

30.1k

125k

470pF

MEASURE TEMP

CIN

22µF

25V

×4

0.1µF

220µF

6.3V

X5R

×6

VOUT

1.8V

AT 20A

CONTINUOUS MODE

4639 TA02

10m

CFF

68pF

CBOT

22pF

100pF

VIN

COMPA

COMPB

TRACK/SS

RUN

fSET

MODE_PLLIN

TEMP–

TEMP+

INTVCC

EXTVCC

SGND

GND OT_TEST

CPWR

+5V INPUT

LTC2990

GND

VCC

SDA

SCL

ADR0

ADR1

0.1µF

2-WIRE

I2C

INTERFACE

MEASURE IIN

1200pF

20k

SUBJECT

DESCRIPTION

µModule Design and Manufacturing Resources

Design:

• Selector Guides

• Demo Boards and Gerber Files

• Free Simulation Tools

Manufacturing:

• Quick Start Guide

• PCB Design, Assembly and Manufacturing Guidelines

• Package and Board Level Reliability

µModule Regulator Products Search

1. Sort table of products by parameters and download the result as a spread sheet.

2. Search using the Quick Power Search parametric table.

TechClip Videos

Quick videos detailing how to bench test electrical and thermal performance of µModule products.

Digital Power System Management

Linear Technology’s family of digital power supply management ICs are highly integrated solutions that

offer essential functions, including power supply monitoring, supervision, margining and sequencing,

and feature EEPROM for storing user configurations and fault logging.

LTM4615 Datasheet(PDF) 32 Page - Linear Technology

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