MAX8550-MAX8551 MAXIM [Maxim Integrated Products], MAX8550-MAX8551 Datasheet - Page 29

• Manufacturer Part Number: MAX8550-MAX8551
• Description: Integrated DDR Power-Supply Solutions for Desktops, Notebooks, and Graphic Cards
• Manufacturer: MAXIM [Maxim Integrated Products]

(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.)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 29
© 2004 Maxim Integrated Products
-DRAWING NOT TO SCALE-
NOTES:
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
SYMBOL
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
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm
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,
PKG.
JEDEC
ND
A1
A3
NE
b
D
E
L1
e
k
N
A
L
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
FROM TERMINAL TIP.
T2855-3 AND T2855-6.
IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
Integrated DDR Power-Supply Solutions for
0.25
0.70
4.90
4.90
0.25
0.30
MIN.
0
-
0.20 REF.
Desktops, Notebooks, and Graphic Cards
16L 5x5
0.80 BSC.
WHHB
NOM.
0.30
5.00
5.00
0.40
0.75
0.02
16
4
4
-
-
MAX.
0.80
0.05
0.35
5.10
5.10
0.50
-
-
COMMON DIMENSIONS
0.25
0.70
4.90
4.90
0.25
0.45
MIN.
0
-
0.20 REF.
0.65 BSC.
20L 5x5
WHHC
NOM.
0.30
5.00
0.55
0.75
0.02
5.00
20
5
5
-
-
MAX.
0.80
0.05
0.35
5.10
5.10
0.65
-
-
0.70
0.20
4.90
4.90
0.45
MIN.
0.25
0
-
0.20 REF.
Printed USA
0.50 BSC.
28L 5x5
WHHD-1
NOM.
0.75
0.02
5.00
5.00
0.25
0.55
28
7
7
-
-
MAX.
0.80
0.05
0.30
5.10
5.10
0.65
-
-
0.70
0.20 0.25 0.30
4.90
4.90
0.25
0.30
MIN.
0
-
0.20 REF.
0.50 BSC.
WHHD-2
32L 5x5
NOM.
0.75
0.02
5.00
5.00
0.40
32
8
8
-
-
MAX.
0.80
5.10
5.10
0.05
0.50
-
-
Package Information (continued)
CODES
T1655-1
T1655-2
T1655N-1
T2055-2
T2055-3
T2055-4
T2055-5
T2855-1
T2855-2
T2855-3
T2855-4
T2855-5
T2855-6
T2855-7
T2855-8
T2855N-1
T3255-2
T3255-3
T3255-4
T3255N-1
PKG.
is a registered trademark of Maxim Integrated Products.
3.00
3.00
3.00
3.00
3.00
3.00
3.15
3.15
2.60
3.15
2.60
2.60
3.15
2.60
3.15
3.15
3.00
3.00
3.00
3.00
MIN.
EXPOSED PAD VARIATIONS
NOM.
3.10
3.10
3.10
3.10
3.10
3.10
3.25
3.25
2.70
3.25 3.35 3.15
2.70 2.80 2.60
2.70 2.80 2.60
3.25 3.35 3.15
2.70 2.80 2.60
3.25
3.25
3.10
3.10
3.10
3.10
D2
3.20
3.20
3.20
3.20
3.20
3.20
3.35
3.35
2.80
3.35
3.35
3.20 3.00
3.20
3.20
3.20
PACKAGE OUTLINE,
16, 20, 28, 32L THIN QFN, 5x5x0.8mm
MAX.
3.00
3.00
3.00
3.00
3.00
3.00
3.15
3.15
2.60
3.15
3.15
3.00
3.00
3.00
MIN.
**
SEE COMMON DIMENSIONS TABLE
NOM. MAX.
3.10 3.20
3.10 3.20
3.10
3.10
3.10
3.10
3.25 3.35
3.25
2.70 2.80
3.25 3.35
2.70 2.80
2.70 2.80
3.25 3.35
2.70 2.80
3.25 3.35
3.25 3.35
3.10 3.20
3.10
3.10
3.10
E2
21-0140
3.20
3.20
3.20
3.20
3.35
3.20
3.20
3.20
±0.15
0.40
0.40
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
L
DOWN
BONDS
ALLOWED
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Y
Y
N
F
2
2