LTC3418 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LTC3418

8A, 4MHz, Monolithic Synchronous Step-Down Regulator

Linear Technology 

PACKAGE DESCRIPTION

UHF Package

38-Lead Plastic QFN (5mm × 7mm)

(Reference LTC DWG # 05-08-1701)

0.70 p 0.05

5.50 p 0.05

4.10 p 0.05

3.00 REF

5.15 ± 0.05

3.15 ± 0.05

LTC3418

0.25 p 0.05

0.50 BSC

5.5 REF

6.10 p 0.05

7.50 p 0.05

RECOMMENDED SOLDER PAD LAYOUT

APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED

5.00 p 0.10

PIN 1

TOP MARK

(SEE NOTE 6)

0.75 p 0.05

0.00 – 0.05

PACKAGE

OUTLINE

3.00 REF

37 38

PIN 1 NOTCH

R = 0.30 TYP OR

0.35 s 45o CHAMFER

0.40 p0.10

1

2

7.00 p 0.10

5.50 REF

5.15 ± 0.10

3.15 ± 0.10

0.200 REF 0.25 p 0.05

0.50 BSC

R = 0.125

TYP

BOTTOM VIEW—EXPOSED PAD

(UH) QFN REF C 1107

R = 0.10

TYP

NOTE:

1. DRAWING CONFORMS TO JEDEC PACKAGE

OUTLINE M0-220 VARIATION WHKD

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 0.20mm 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

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

However, no responsibilit y is assumed for its use. Linear Technology Corporation makes no representa-

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

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