LTC3772B Datasheet, PDF (18/20 Pages) Linear Technology – Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller

LTC3772B
PACKAGE DESCRIPTIO
DDB Package
8-Lead Plastic DFN (3mm × 2mm)
(Reference LTC DWG # 05-08-1702)
0.61 ±0.05
(2 SIDES)
2.55 ±0.05
1.15 ±0.05
0.70 ±0.05
0.25 ± 0.05
0.50 BSC
2.20 ±0.05
(2 SIDES)
PACKAGE
OUTLINE
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
3.00 ±0.10
(2 SIDES)
R = 0.05
TYP
R = 0.115
TYP
5
0.40 ± 0.10
8
2.00 ±0.10
(2 SIDES)
0.75 ±0.05
0.56 ± 0.05
(2 SIDES)
4
0.25 ± 0.05
PIN 1
R = 0.20 OR
0.25 × 45°
CHAMFER
1
(DDB8) DFN 0905 REV B
0.50 BSC
0 – 0.05
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
3772bfa
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