LTC2854/LTC2855

14

285455fa

DE/UE Package

12-Lead Plastic DFN (4mm × 3mm)

(Reference LTC DWG # 05-08-1695)

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

± 0.05

(2 SIDES)

0.75

±0.05

R = 0.115

TYP

R = 0.05

TYP

0.25

± 0.05

3.30

±0.05

(2 SIDES)

1

6

12

7

0.50

BSC

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 0905 REV C

0.25

± 0.05

3.30

±0.05

(2 SIDES)

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

1.70

±0.05

(2 SIDES)

2.20

±0.05

0.50

BSC

0.70

±0.05

3.60

±0.05

PACKAGE OUTLINE

PACKAGE DESCRIPTION