LTC3772EDDB View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3772EDDB

Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller

Linear Technology 

LTC3772

PACKAGE DESCRIPTIO

DDB Package

8-Lead Plastic DFN (3mm × 2mm)

(Reference LTC DWG # 05-08-1702)

0.61 ±0.05

(2 SIDES)

2.50 ±0.05

1.15 ±0.05

0.675 ±0.05

0.25 ± 0.05

0.50 BSC

2.20 ±0.05

(2 SIDES)

PACKAGE

OUTLINE

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

3.00 ±0.10

(2 SIDES)

R = 0.115

TYP

0.56 ± 0.05

5

(2 SIDES)

0.38 ± 0.10

8

PIN 1 BAR

TOP MARK

(SEE NOTE 6)

0.200 REF

2.00 ±0.10

(2 SIDES)

0.75 ±0.05

0 – 0.05

4

0.25 ± 0.05

PIN 1

CHAMFER OF

EXPOSED PAD

1

(DDB8) DFN 1103

0.50 BSC

2.15 ±0.05

(2 SIDES)

BOTTOM VIEW—EXPOSED PAD

NOTE:

1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229

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

3772f

18

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