3412AEFE 查看數據表（PDF） - Linear Technology

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3412AEFE

3A, 4MHz, Monolithic Synchronous Step-Down Regulator

Linear Technology 

PACKAGE DESCRIPTIO

UF Package

16-Lead Plastic QFN (4mm × 4mm)

(Reference LTC DWG # 05-08-1692)

0.72 ±0.05

LTC3412A

4.35 ± 0.05

2.15 ± 0.05

2.90 ± 0.05 (4 SIDES)

PACKAGE OUTLINE

0.30 ±0.05

0.65 BSC

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

4.00 ± 0.10

(4 SIDES)

PIN 1

TOP MARK

(NOTE 6)

0.75 ± 0.05

2.15 ± 0.10

(4-SIDES)

BOTTOM VIEW—EXPOSED PAD

R = 0.115

TYP

15 16

PIN 1 NOTCH R = 0.20 TYP

OR 0.35 × 45° CHAMFER

0.55 ± 0.20

1

2

0.200 REF

0.00 – 0.05

NOTE:

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

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

(UF16) QFN 10-04

0.30 ± 0.05

0.65 BSC

Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However,

no responsibility is assumed for its use. Linear Technology Corporation makes no representation that

the interconnection of its circuits as described herein will not infringe on existing patent rights.

3412afc

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