LTC3608 LINER [Linear Technology], LTC3608 Datasheet - Page 23

• Manufacturer Part Number: LTC3608
• Description: 18V, 8A Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

PACKAGE DESCRIPTION
3.40 REF
3.20 ± 0.10
2.25 ± 0.10
0.40 ± 0.10
1.00 REF
4
PIN 1
0.25 ± 0.05
CORNER
PAD 1
aaa C
RECOMMENDED SOLDER PAD LAYOUT
± 0.10
2.025
2x
0.50 BSC
9
2.90 REF
4.275 ± 0.10
7.50 ± 0.05
TOP VIEW
TOP VIEW
7.00
BSC
2.925 ± 0.10
1.775
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
REF
2.625 REF
± 0.10
1.35
A
52-Lead QFN Multipad (7mm × 8mm)
(Reference LTC DWG # 05-08-1768 Rev Ø)
3.40 REF
8.00
BSC
PACKAGE
OUTLINE
B
3.90 ± 0.10
// ccc C
8.50 ± 0.05
0.00 – 0.05
WKG Package
0.90 ± 0.10
SEATING PLANE
4
7
8
9
NOTE:
1. DIMENSIONING AND 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
5. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY
6. NJR REFER TO NON JEDEC REGISTERED
0.08 C
NX
7
NX b
8
THE LOCATION OF THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING
CONVENTION CONFORMS TO JEDEC PUBLICATION 95 SPP-002
DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED
BETWEEN 0.20mm AND 0.30mm FROM THE TERMINAL TIP. IF THE TERMINAL
HAS THE OPTIONAL RADIUS ON THE OTHER END OF THE TERMINAL, THE
DIMENSION b SHOULD NOT BE MEASURED IN THAT RADIUS AREA.
COPLANARITY APPLIES TO THE TERMINALS AND ALL OTHER SURFACE
METALLIZATION
DRAWING SHOWN ARE FOR ILLUSTRATION ONLY
SYMBOL
bbb
aaa
ccc
3.90 ± 0.10
TOLERANCE
0.580 ± 0.10
0.15
0.10
0.10
3.40 REF
40
33
32
27
± 0.10
1.35
41
26
(BOTTOM METALLIZATION DETAILS)
2.625 REF
2.925 ± 0.10
1.775
REF
BOTTOM VIEW
4.275 ± 0.10
19
2.90 REF
0.50 BSC
± 0.10
2.025
LTC3608
0.25 ± 0.05
52
15
1
8
9
10
14
3.20 ± 0.10
2.25 ± 0.10
MLP52 QFN REV Ø 0807
0.40 ± 0.10
PIN 1 ID
1.00 REF
23
3.40 REF
3608fa