LTM4618EVPBF datasheet(2/24 Pages) LINER

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LTM4618

4618f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VIN, SW...................................................... –0.3V to 28V

INTVCC, RUN, EXTVCC, PGOOD .................... –0.3V to 6V

COMP, VFB ................................................. –0.3V to 2.7V

MODE/PLLIN, TK/SS,

FREQ..................................................... –0.3V to INTVCC

VOUT............................................................... 0.8V to 5V

Operating Junction Temperature Range

(Note 2)..................................................–40°C to 125°C

Storage Temperature Range................... –55°C to 125°C

Peak Package Body Temperature .......................... 250°C

(Note 1)

TK/SS COMP

PGOOD

VFB

INTVCC

LGA PACKAGE

84-LEAD (15mm

9mm

4.32mm)

TOP VIEW

VIN

VOUT

PGND

EXTVCC

FREQ

RUN

MODE/

PLLIN

SGND/PGND

ΘJA = 16°C/W, ΘJCtop = 15°C/W, ΘJCbottom = 4°C/W, WEIGHT = 2.3g,

θJB + θBA = 16°C/W, θBA = BOARD-TO-AMBIENT RESISTANCE,

θ VALUES DEFINED PER JESD51-12

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN(DC)

Input DC Voltage

(Note 5)

4.5

26.5

VOUT(DC)

Output Voltage Total Variation with

Line and Load

CIN = 10μF ×2, RFB = 28.0kΩ

COUT = 100μF ×3 X7R Ceramic

MODE/PLLIN = 0V, VFREQ = 2.4V

VIN = 6V to 26.5V, IOUT = 0A to 6A (Note 4)

2.476

2.52

2.557

Input Speciﬁcations

VIN(UVLO)

Undervoltage Lockout Thresholds

VINTVCC Rising

VINTVCC Falling

2.00

1.85

2.20

2.00

2.35

2.15

IINRUSH(VIN)

Input Inrush Current at Start-Up

IOUT = 0A, CIN = 10μF ×2, COUT = 100μF ×3

VOUT = 2.5V

VIN = 12V

VIN = 26.5V

0.3

0.2

LEAD FREE FINISH

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTM4618EV#PBF

LTM4618V

84-Lead (15mm

× 9mm × 4.32mm) LGA

–40°C to 125°C

LTM4618IV#PBF

LTM4618V

84-Lead (15mm

× 9mm × 4.32mm) LGA

–40°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

This product is only offered in trays. For more information go to: http://www.linear.com/packaging/

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C (Note 2), VIN = 12V, per typical application in Figure 21.

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