UM3506QA Datasheet, PDF (8/9 Pages) Union Semiconductor, Inc. – Synchronous Step-Down Converter

UM3506QA
Package Information
UM3506QA: QFN14 2.5×2.5
Outline Drawing
D
Pin #1 ID
Top View
Side View
e2
K2
K1
e1
L
Bottom View
Symbol
A
A1
A3
b
D
E
e
e1
e2
K
K1
K2
K3
L
L1
R
DIMENSIONS
MILLIMETERS
INCHES
Min Typ Max Min Typ Max
1.00 1.05 1.10 0.039 0.041 0.043
0.00 0.02 0.05 0.000 0.0008 0.002
0.152REF
0.006REF
0.20 0.25 0.30 0.008 0.010 0.012
2.40 2.50 2.60 0.094 0.098 0.102
2.40 2.50 2.60 0.094 0.098 0.102
0.40 0.50 0.60 0.016 0.020 0.024
0.45 0.55 0.65 0.018 0.022 0.026
1.00 1.10 2.250 0.039 0.043 0.047
0.45 0.55 0.65 0.018 0.022 0.026
0.50 0.60 0.70 0.020 0.024 0.028
0.225 0.325 0.425 0.009 0.013 0.017
0.025 0.125 0.225 0.001 0.005 0.009
0.20 0.25 0.30 0.008 0.010 0.012
0.45 0.50 0.55 0.018 0.020 0.022
0.05REF
0.002REF
Land Pattern
2.90
1.10
0.50
0.20
0.25
0.55
2.50
Tape and Reel Orientation
NOTES:
1. Compound dimension: 2.50×2.50;
2. Unit: mm;
3. General tolerance ±0.05mm unless
specified;
4. The layout is just for reference.
otherwise
M
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http://www.union-ic.com Rev.01 Oct.2016
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