LTC4269-1_15 Datasheet, PDF (42/44 Pages) Linear Technology – IEEE 802.3at PD with Synchronous No-Opto Flyback Controller

LTC4269-1
PACKAGE DESCRIPTION
DKD Package
32-Lead Plastic DFN (7mm × 4mm)
(Reference LTC DWG # 05-08-1734 Rev A)
4.50 ±0.05
3.10 ±0.05
2.65 ±0.05
6.43 ±0.05
0.70 ±0.05
0.40 BSC
0.20 ±0.05
6.00 REF
RECOMMENDED SOLDER PAD LAYOUT
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
PACKAGE
OUTLINE
7.00 ±0.10
PIN 1
TOP MARK
(SEE NOTE 6)
R = 0.05
TYP
4.00 ±0.10
R = 0.115
17
TYP
32
2.65 ±0.10
6.43 ±0.10
PIN 1 NOTCH
R = 0.30 TYP OR
0.35 = 45° CHAMFER
0.40 ±0.10
0.75 ±0.05
16
0.40 BSC
0.20 ±0.05 ¹
6.00 REF
BOTTOM VIEW—EXPOSED PAD (DKD32) QFN 0707 REV A
0.200 REF
NOTE:
0.00 – 0.05
42691fc
42