LTC3440 查看數據表（PDF） - Linear Technology

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LTC3440

Micropower Synchronous Buck-Boost DC/DC Converter

Linear Technology 

LTC3440

PACKAGE DESCRIPTIO

DD Package

10-Lead Plastic DFN (3mm × 3mm)

(Reference LTC DWG # 05-08-1699)

0.675 ±0.05

R = 0.115

TYP

6

0.38 ± 0.10

10

3.50 ±0.05

1.65 ±0.05

2.15 ±0.05 (2 SIDES)

3.00 ±0.10 1.65 ± 0.10

(4 SIDES) (2 SIDES)

0.25 ± 0.05

0.50

BSC

2.38 ±0.05

(2 SIDES)

PIN 1

PACKAGE TOP MARK

OUTLINE (SEE NOTE 6)

0.200 REF

0.75 ±0.05

0.00 – 0.05

(DD10) DFN 1103

5

1

0.25 ± 0.05

0.50 BSC

2.38 ±0.10

(2 SIDES)

BOTTOM VIEW—EXPOSED PAD

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

NOTE:

1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).

CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT

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

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