Rainbow Electronics MAX6640 - Manual (Page 21)

MAX6640
2-Channel Temperature Monitor with Dual
Automatic PWM Fan-Speed Controller
______________________________________________________________________________________ 21
QFN THIN.EPS
D2
(ND-1) X e
e
D
C
PIN # 1
I.D.
(NE-1) X e
E/2
E
0.08 C
0.10 C
A
A1 A3
DETAIL A
0.15 C B
0.15 C A
E2/2
E2
0.10 M C A B
PIN # 1 I.D.
b
0.35x45∞
L
D/2
D2/2
L C
L C
e e
L C CL
k
k
L L
DETAIL B
L L1
e
XXXXX
MARKING
F
1
2 21-0140
PACKAGE OUTLINE,
16, 20, 28, 32L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
COMMON DIMENSIONS
3.35 3.15 T2855-1 3.25 3.35 3.15 3.25
MAX.
3.20
EXPOSED PAD VARIATIONS
3.00 T2055-2 3.10
D2
NOM. MIN.
3.20 3.00 3.10
MIN.
E2
NOM. MAX.
NE
ND
PKG.
CODES
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL
CONFORM TO JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE
OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE TERMINAL #1
IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm
FROM TERMINAL TIP.
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR T2855-1,
T2855-3 AND T2855-6.
NOTES:
SYMBOL
PKG.
N
L1
e
E
D
b
A3
A
A1
k
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
JEDEC
T1655-1 3.20 3.00 3.10 3.00 3.10 3.20 0.70 0.80 0.75
4.90
4.90
0.25
0.25
0
- -
4
WHHB
4
16
0.35 0.30
5.10
5.10
5.00
0.80 BSC.
5.00
0.05
0.20 REF.
0.02
MIN. MAX. NOM.
16L 5x5
3.10 T3255-2 3.00 3.20 3.00 3.10 3.20
2.70 T2855-2 2.60 2.60 2.80 2.70 2.80
L 0.30 0.50 0.40
- - - - - -
WHHC
20
5
5
5.00
5.00
0.30
0.55
0.65 BSC.
0.45
0.25
4.90
4.90
0.25
0.65
- -
5.10
5.10
0.35
20L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
- - -
WHHD-1
28
7
7
5.00
5.00
0.25
0.55
0.50 BSC.
0.45
0.25
4.90
4.90
0.20
0.65
- -
5.10
5.10
0.30
28L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
- - -
WHHD-2
32
8
8
5.00
5.00
0.40
0.50 BSC.
0.30
0.25
4.90
4.90
0.50
- -
5.10
5.10
32L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
0.20 0.25 0.30
DOWN
BONDS
ALLOWED
NO
YES 3.10 3.00 3.20 3.10 3.00 3.20 T2055-3
3.10 3.00 3.20 3.10 3.00 3.20 T2055-4
T2855-3 3.15 3.25 3.35 3.15 3.25 3.35
T2855-6 3.15 3.25 3.35 3.15 3.25 3.35
T2855-4 2.60 2.70 2.80 2.60 2.70 2.80
T2855-5 2.60 2.70 2.80 2.60 2.70 2.80
T2855-7 2.60 2.70 2.80 2.60 2.70 2.80
3.20 3.00 3.10 T3255-3 3.20 3.00 3.10
3.20 3.00 3.10 T3255-4 3.20 3.00 3.10
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
3.20 3.00 T1655-2 3.10 3.00 3.10 3.20 YES
NO 3.20 3.10 3.00 3.10 T1655N-1 3.00 3.20
3.35 3.15 T2055-5 3.25 3.15 3.25 3.35 Y
3.35 3.15 T2855N-1 3.25 3.15 3.25 3.35 N
3.35 3.15 T2855-8 3.25 3.15 3.25 3.35 Y
3.20 3.10 T3255N-1 3.00 NO 3.20 3.10 3.00
L
0.40
0.40
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
** SEE COMMON DIMENSIONS TABLE
±0.15
11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
F
2
2 21-0140
PACKAGE OUTLINE,
16, 20, 28, 32L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to
www.maxim-ic.com/packages.)