LTC3129

27

3129fc

For more information www.linear.com/LTC3129

package DescripTion

Please refer to http://www.linear.com/product/LTC3129#packaging for the most recent package drawings.

3.00

±0.10

(4 SIDES)

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

1.65

±0.05

(4 SIDES)

NOTE:

1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WEED-4)

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

PIN 1

TOP MARK

(NOTE 6)

0.40

±0.10

BOTTOM VIEW—EXPOSED PAD

1.65

±0.10

(4-SIDES)

0.75

±0.05

R = 0.115

TYP

0.25

±0.05

1

PIN 1 NOTCH R = 0.20 TYP

OR 0.25

× 45° CHAMFER

15 16

2

0.50 BSC

0.200 REF

2.10

±0.05

3.50

±0.05

0.70

±0.05

0.00 – 0.05

(UD16 VAR A) QFN 1207 REV A

0.25

±0.05

0.50 BSC

PACKAGE OUTLINE

UD Package

16-Lead Plastic QFN (3mm

× 3mm)

(Reference LTC DWG # 05-08-1700 Rev A)

Exposed Pad Variation AA

UD Package

16-Lead Plastic QFN (3mm × 3mm)

(Reference LTC DWG # 05-08-1700 Rev A)

Exposed Pad Variation AA