LM3557 Datasheet, PDF (16/19 Pages) National Semiconductor (TI) – Step-Up Converter for White LED Applications

www.ti.com
TAPE AND REEL INFORMATION
PACKAGE MATERIALS INFORMATION
2-Sep-2015
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
LM3557SD-2/NOPB WSON NGQ 8
SPQ
1000
Reel Reel A0
Diameter Width (mm)
(mm) W1 (mm)
178.0 12.4 3.3
B0
(mm)
3.3
K0
(mm)
1.0
P1
(mm)
8.0
W
Pin1
(mm) Quadrant
12.0
Q1
Pack Materials-Page 1