LT3956
3956f
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.
package DescripTion
5.00
p
0.10
6.00
p
0.10
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
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 0.20mm 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
PIN 1
TOP MARK
(NOTE 6)
0.40
p
0.10
1
36
35
30 31 32
33 34
28
20
21
23
24
25
27
2
3
4
6
8
9
10
12
13
14
15
16
17
BOTTOM VIEW—EXPOSED PAD
2.00 REF
1.50 REF
0.75
p
0.05
R = 0.125
TYP
R = 0.10
TYP
PIN 1 NOTCH
R = 0.30 OR
0.35
s
45
o
CHAMFER
0.25
p
0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UHE28MA) QFN 0110 REV C
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70
p
0.05
4.10
p
0.05
5.50
p
0.05
PACKAGE OUTLINE
1.88
p
0.10
1.53
p
0.10
2.00 REF
1.50 REF
5.10
p
0.05
6.50
p
0.05
UHE Package
Variation: UHE28MA
36-Lead Plastic QFN (5mm
s
6mm)
(Reference LTC DWG # 05-08-1836 Rev C)
3.00
p
0.10
3.00
p
0.10
0.12
p
0.10
1.88
p
0.05
1.53
p
0.05
3.00
p
0.05
3.00
p
0.05
0.48
p
0.05
0.12
p
0.05
0.48
p
0.10
0.25
p
0.05
0.50 BSC
10
1
2
3
4
6
8
9
17
20
21
23
24
25
27
28
30
31
32
33
34
35
36
12
13
14
15
16