LTC2637 datasheet(26/28 Pages) LINER

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LTC2637

2637fa

package Description

3.00 0.10

(2 SIDES)

4.00 0.10

(2 SIDES)

NOTE:

1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WGED-3) IN JEDEC

PACKAGE OUTLINE MO-229

2. DRAWING NOT TO SCALE

3. ALL DIMENSIONS ARE IN MILLIMETERS

4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE

5. EXPOSED PAD SHALL BE SOLDER PLATED

6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE

TOP AND BOTTOM OF PACKAGE

0.40 0.10

BOTTOM VIEW—EXPOSED PAD

1.70 0.10

0.75 0.05

R = 0.115

TYP

R = 0.05

TYP

3.00 REF

1.70 0.05

PIN 1

TOP MARK

(SEE NOTE 6)

0.200 REF

0.00 – 0.05

(DE14) DFN 0806 REV B

PIN 1 NOTCH

R = 0.20 OR

0.35 45

CHAMFER

3.00 REF

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED

2.20 0.05

0.70 0.05

3.60 0.05

PACKAGE

OUTLINE

0.25 0.05

0.50 BSC

3.30 0.05

3.30 0.10

0.50 BSC

DE Package

14-Lead (4mm

× 3mm) Plastic DFN

(Reference LTC DWG # 05-08-1708 Rev B)

MS Package

16-Lead (4mm

× 5mm) Plastic MSOP

(Reference LTC DWG # 05-08-1669 Rev Ø)

MSOP (MS16) 1107 REV Ø

0.53 0.152

(.021 .006)

SEATING

PLANE

0.18

(.007)

1.10

(.043)

MAX

0.17 –0.27

(.007 – .011)

TYP

0.86

(.034)

REF

0.50

(.0197)

BSC

16151413121110

1 2 3 4 5 6 7 8

NOTE:

1. DIMENSIONS IN MILLIMETER/(INCH)

2. DRAWING NOT TO SCALE

3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.

MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE

4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.

INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE

5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX

0.254

(.010)

0 – 6 TYP

DETAIL “A”

GAUGE PLANE

5.23

(.206)

MIN

3.20 – 3.45

(.126 – .136)

0.889 0.127

(.035 .005)

RECOMMENDED SOLDER PAD LAYOUT

0.305 0.038

(.0120 .0015)

TYP

0.50

(.0197)

BSC

4.039 0.102

(.159 .004)

(NOTE 3)

0.1016 0.0508

(.004 .002)

3.00 0.102

(.118 .004)

(NOTE 4)

0.280 0.076

(.011 .003)

REF

4.90 0.152

(.193 .006)

LTC2637 Datasheet(PDF) 26 Page - Linear Technology

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