Rainbow Electronics MAX1870A - Manual (Page 32)

Package Information (continued)
(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.)
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
E
2
2 21-0140
PACKAGE OUTLINE
16, 20, 28, 32, 40L, THIN QFN, 5x5x0.8mm
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.
-
40
10
10
5.00
5.00
0.20
0.50
0.40 BSC.
0.40
0.25
4.90
4.90
0.15
0.60
5.10
5.10
0.25
40L 5x5
0.20 REF.
0.75
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
0.20 0.25 0.30
-
0.35 0.45
0.30 0.40 0.50
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
3.40 3.20 3.30 T4055-1 3.20 3.30 3.40
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
3.20 3.00 T1655-2 3.10 3.00 3.10 3.20 YES
MAX1870A
Step-Up/Step-Down
Li+ Battery Charger
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.
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