LTC3736-2 Datasheet, PDF (27/28 Pages) Linear Technology – Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking

PACKAGE DESCRIPTIO
GN Package
24-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
LTC3736-2
7.8 – 8.2
1.25 ±0.12
5.3 – 5.7
7.90 – 8.50*
(.311 – .335)
24 23 22 21 20 19 18 17 16 15 14 13
7.40 – 8.20
(.291 – .323)
0.42 ±0.03
RECOMMENDED SOLDER PAD LAYOUT
0.65 BSC
5.00 – 5.60**
(.197 – .221)
1 2 3 4 5 6 7 8 9 10 11 12
2.0
(.079)
MAX
0° – 8°
0.09 – 0.25
(.0035 – .010)
0.55 – 0.95
(.022 – .037)
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2.
DIMENSIONS
ARE
IN
MILLIMETERS
(INCHES)
3. DRAWING NOT TO SCALE
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
TYP
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
**DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
0.05
(.002)
MIN
G24 SSOP 0204
UF Package
24-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1697)
4.50 ± 0.05 2.45 ± 0.05
(4 SIDES)
3.10 ± 0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.70 ±0.05
4.00 ± 0.10
(4 SIDES)
PIN 1
TOP MARK
(NOTE 5)
0.75 ± 0.05
2.45 ± 0.10
(4-SIDES)
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
0.23 TYP
(4 SIDES)
23 24
0.38 ± 0.10
1
2
PACKAGE
OUTLINE
0.25 ±0.05
0.50 BSC
NOTE:
1. DRAWING PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220
VARIATION (WGGD-X)—TO BE APPROVED
2. ALL DIMENSIONS ARE IN MILLIMETERS
3. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm
ON ANY SIDE, IF PRESENT
0.200 REF
0.00 – 0.05
4. EXPOSED PAD SHALL BE SOLDER PLATED
5. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
6. DRAWING NOT TO SCALE
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
(UF24) QFN 0603
0.25 ± 0.05
0.50 BSC
37362fa
27