lt3470a Linear Technology Corporation, lt3470a Datasheet - Page 19

• Manufacturer Part Number: lt3470a
• Description: Micropower Buck Regulator With Integrated Boost And Catch Diodes
• Manufacturer: Linear Technology Corporation

PACKAGE DESCRIPTION
2.55 ±0.05
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
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
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.15 ±0.05
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
0.25 ± 0.05
0.61 ±0.05
(2 SIDES)
2.20 ±0.05
(2 SIDES)
0.50 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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.70 ±0.05
PACKAGE
OUTLINE
(Reference LTC DWG # 05-08-1702 Rev B)
(SEE NOTE 6)
8-Lead Plastic DFN (3mm × 2mm)
TOP MARK
PIN 1 BAR
0.200 REF
DDB Package
3.00 ±0.10
(2 SIDES)
0.75 ±0.05
2.00 ±0.10
(2 SIDES)
0 – 0.05
R = 0.05
0.56 ± 0.05
(2 SIDES)
TYP
BOTTOM VIEW—EXPOSED PAD
0.25 ± 0.05
R = 0.115
TYP
4
5
2.15 ±0.05
(2 SIDES)
LT3470A
8
1
0.50 BSC
0.40 ± 0.10
PIN 1
R = 0.20 OR
0.25 × 45°
CHAMFER
(DDB8) DFN 0905 REV B
19
3470af