LTC3603IUF(RevA) 데이터 시트보기 (PDF) - Linear Technology

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LTC3603IUF
(Rev.:RevA)

2.5A, 15V Monolithic Synchronous Step-Down Regulator

Linear Technology 

LTC3603

PACKAGE DESCRIPTION

UF Package

20-Lead Plastic QFN (4mm × 4mm)

(Reference LTC DWG # 05-08-1710 Rev A)

4.50 p 0.05

3.10 p 0.05

2.00 REF

2.45 p 0.05

2.45 p 0.05

0.70 p0.05

PACKAGE OUTLINE

0.25 p0.05

0.50 BSC

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED

4.00 p 0.10

0.75 p 0.05

R = 0.05

TYP

PIN 1

TOP MARK

(NOTE 6)

4.00 p 0.10

2.00 REF

BOTTOM VIEW—EXPOSED PAD

R = 0.115

TYP

19 20

PIN 1 NOTCH

R = 0.20 TYP

OR 0.35 s 45o

CHAMFER

0.40 p 0.10

1

2.45 p 0.10

2

2.45 p 0.10

0.200 REF

0.00 – 0.05

NOTE:

1. DRAWING IS PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220

VARIATION (WGGD-1)—TO BE APPROVED

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

(UF20) QFN 01-07 REV A

0.25 p 0.05

0.50 BSC

3603fa

20

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