LTC2854/LTC2855

15

285455fc

For more information www.linear.com/LTC2854

PACKAGE DESCRIPTION

4.00

±0.10

(2 SIDES)

3.00

±0.10

(2 SIDES)

NOTE:

1. DRAWING PROPOSED TO BE A VARIATION OF VERSION

(WGED) IN JEDEC PACKAGE OUTLINE M0-229

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

2.50 REF

1

6

12

7

PIN 1 NOTCH

R = 0.20 OR

0.35

× 45°

CHAMFER

PIN 1

TOP MARK

(NOTE 6)

0.200 REF

0.00 – 0.05

(UE12/DE12) DFN 0806 REV D

2.50 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

3.30

±0.10

0.25

±0.05

0.50 BSC

1.70

±0.05

3.30

±0.05

0.50 BSC

0.25

±0.05

DE/UE Package

12-Lead Plastic DFN (4mm

× 3mm)

(Reference LTC DWG # 05-08-1695 Rev D)

Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.