NCP81252 Datasheet, PDF (17/18 Pages) ON Semiconductor – Single-Phase Voltage Regulator

NCP81252
PACKAGE DIMENSIONS
D
ÉÉÉÉ _{PIN ONE}
ÉÉÉÉÉÉÉÉÉÉÉÉ ^REFERENCE
2X
0.15 C
2X
0.15 C
TOP VIEW
DETAIL B
0.10 C
0.08 C
NOTE 4
SIDE VIEW
D2
DETAIL A
D3
D4
13
E3
AB
E
(A3) A
A1
25
E4
QFN48 6x6, 0.4P
CASE 485CJ
ISSUE A
ÉÉÉÉ ^{EXPOSED Cu}
MOLD CMPD
DETAIL B
ALTERNATE
CONSTRUCTION
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSIONS: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED TERMINAL AND IS
MEASURED BETWEEN 0.15 AND 0.30mm FROM TERMINAL TIP
4. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS
THE TERMINALS.
5. POSITIONAL TOLERANCE APPLIES TO ALL THREE EXPOSED
PADS IN BOTH X AND Y AXIS.
L
L
L1
DETAIL A
ALTERNATE TERMINAL
CONSTRUCTIONS
L2
C
SEATING
PLANE
45⁵
DETAIL C
DETAIL C
G3
13
G4
25
H4
MILLIMETERS
DIM MIN MAX
A 0.80 1.00
A1 −−− 0.05
A3 0.20 REF
b 0.15 0.25
D 6.00 BSC
D2 4.53 4.73
D3 1.64 1.84
D4 2.42 2.62
D5 4.58 4.78
E 6.00 BSC
E2 1.86 2.06
E3 2.41 2.61
E4 2.30 2.50
e
0.40 BSC
G3 1.45 BSC
G4 1.06 BSC
H2 1.40 BSC
H3 1.19 BSC
H4 1.10 BSC
L 0.25 0.45
L1 −−− 0.15
L2 0.15 REF
E2
H3
1
NOTE 5
1
H2
0.10 M C A B
48
37
48
37
48X L
e
e/2
BOTTOM VIEW
48X b
0.10 M C A B
0.05 M C NOTE 3
D5
SUPPLEMENTAL
BOTTOM VIEW
RECOMMENDED
SOLDERING FOOTPRINT*
48X
0.58
6.30
4.81
48X
0.25
0.40
PITCH
2.09
4.80 6.30
2.54
1.91
2.66
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
www.onsemi.com
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