FAN5231 Datasheet, PDF (16/17 Pages) Fairchild Semiconductor – Precision Dual PWM Controller And Linear Regulator for Notebook CPUs

FAN5231
Mechanical Dimensions
Shrink SMall Outline Plastic Packages (QSOP)
Symbol
A
A1
A2
b
c
D
E
E1
e
L
N
α
ccc
Inches
Min. Max.
—
.078
.002
—
.065 .073
.009 .015
.004 .010
.340 .413
.291 .323
.197 .220
.026 BSC
.022 .037
28
0°
8°
—
.004
Millimeters
Min. Max.
—
2.00
0.05
—
1.65 1.85
0.22 0.38
0.09 0.25
9.90 10.50
7.40 8.20
5.00 5.60
0.65 BSC
0.55 0.95
28
0°
8°
—
0.10
Notes
5
5
2, 4
2
3
6
D
Notes:
1. Dimensioning and tolerancing per ANSI Y14.5M-1982.
2. "D" and "E1" do not include mold flash. Mold flash or
protrusions shall not exceed .010 inch (0.25mm).
3. "L" is the length of terminal for soldering to a substrate.
4. Terminal numbers are shown for reference only.
5. "b" and "c" dimensions include solder finish thickness.
6. Symbol "N" is the maximum number of terminals.
E1 E
A1
C
A A2
α
SEATING – C –
e
b
PLANE _{LEAD COPLANARITY}
L
ccc C
16
REV. 1.1.1 8/15/01