LTC3577-1 datasheet(36/38 Pages) LINER

36 / 38 page

LTC3675

3675fa

UFFMA Package

44-Lead Plastic QFN (4mm

× 7mm)

(Reference LTC DWG # 05-08-1762 Rev A)

4.00 0.10

5.60 REF

6.10 ±0.05

2.56 ±0.05

2.64 ±0.05

1.70 ±0.05

7.50 ±0.05

NOTE:

1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE

2. DRAWING NOT TO SCALE

3. ALL DIMENSIONS ARE IN MILLIMETERS

PIN 1

TOP MARK

(SEE NOTE 6)

BOTTOM VIEW—EXPOSED PAD

2.40 REF

3.10 ±0.05

4.50 ±0.05

7.00 0.10

5.60 REF

0.75 0.05

0.20 0.05

(UFF44MA) QFN REV A 0410

0.40 BSC

0.98 ±0.10

0.200 REF

0.00 – 0.05

RECOMMENDED SOLDER PAD LAYOUT

APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED

2.40 REF

2.64

±0.10

0.40 0.10

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

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm 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 NOTCH

R = 0.30 TYP

OR 0.35

CHAMFER

2.56

±0.10

1.70

±0.10

2.76

±0.10

0.74 ±0.10

R = 0.10 TYP

R = 0.10

TYP

0.74 ±0.10

0.40 BSC

PACKAGE

OUTLINE

0.20 ±0.05

2.02 ±0.05

2.76 ±0.05

0.98 ±0.05

1.48 ±0.05

0.70 ±0.05

PACKAGE DESCRIPTION

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

LTC3577-1 Datasheet(PDF) 36 Page - Linear Technology

LTC3577-1 Datasheet(HTML) 36 Page - Linear Technology

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