LTC4269-1 Linear Technology Corporation, LTC4269-1 Datasheet - Page 43

• Manufacturer Part Number: LTC4269-1
• Description: IEEE 802.3 At PD And Synchronous No-Opto Flyback Controller
• Manufacturer: Linear Technology Corporation

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PACKAGE DESCRIPTION
4.50 ± 0.05
3.10 ± 0.05
0.200 REF
NOTE:
1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WXXX)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
IN JEDEC PACKAGE OUTLINE M0-229
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
2.65 ±0.05
PIN 1
TOP MARK
(SEE NOTE 6)
RECOMMENDED SOLDER PAD LAYOUT
0.40 BSC
6.43 ±0.05
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.
7.00 ±0.10
6.00 REF
(Reference LTC DWG # 05-08-1734 Rev Ø)
32-Lead Plastic DFN (7mm × 4mm)
0.23 ± 0.05
0.00 – 0.05
DKD Package
0.75 ±0.05
0.70 ± 0.05
4.00 ±0.10
PACKAGE
OUTLINE
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
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
R = 0.05
TYP
17
16
2.65 ±0.10
BOTTOM VIEW—EXPOSED PAD
6.43 ±0.10
0.40 BSC
R = 0.115
TYP
6.00 REF
0.35 × 45° CHAMFER
LTC4269-1
R = 0.30 TYP OR
PIN 1 NOTCH
0.20 ± 0.05
(DKD32) QFN 1106 REV Ø
43
32
1
42691f