LTC3770EUH#TR Linear Technology, LTC3770EUH#TR Datasheet - Page 23

• Manufacturer Part Number: LTC3770EUH#TR
• Manufacturer: Linear Technology

Specifications of LTC3770EUH#TR

• Lead Free Status / RoHS Status: Not Compliant

PACKAGE DESCRIPTION
5.50 0.05
4.10 0.05
PACKAGE
OUTLINE
(4 SIDES)
3.50 REF
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
RECOMMENDED SOLDER PAD LAYOUT
3.45 0.05
7.8 – 8.2
0.42 0.03
3.45 0.05
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
(.0035 – .010)
0.09 – 0.25
RECOMMENDED SOLDER PAD LAYOUT
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.
0.50 BSC
0.25 0.05
(.197 – .221)
5.00 – 5.60**
(.022 – .037)
MILLIMETERS
0.55 – 0.95
(INCHES)
0.70 0.05
0.65 BSC
(Reference LTC DWG # 05-08-1693 Rev D)
32-Lead Plastic QFN (5mm × 5mm)
NOTE:
1. DRAWING PROPOSED TO BE A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
(Reference LTC DWG # 05-08-1640)
28-Lead Plastic SSOP (5.3mm)
M0-220 VARIATION WHHD-(X) (TO BE APPROVED)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
**
*
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
1.25 0.12
5.3 – 5.7
0° – 8°
PIN 1
TOP MARK
(NOTE 6)
UH Package
G Package
5.00 0.10
(4 SIDES)
(.0256)
0.65
BSC
28
1 2 3 4 5 6 7 8 9 10 11 12
(.009 – .015)
27
0.22 – 0.38
26
TYP
25
24
0.200 REF
9.90 – 10.50*
(.390 – .413)
23
22 21 20 19 18 17 16 15
0.75 0.05
(4-SIDES)
3.50 REF
R = 0.05
0.00 – 0.05
TYP
13
14
(.002)
0.05
MIN
(.079)
G28 SSOP 0204
MAX
2.0
(.291 – .323)
BOTTOM VIEW—EXPOSED PAD
7.40 – 8.20
R = 0.115
3.45 0.10
TYP
3.45 0.10
LTC3770
31
PIN 1 NOTCH R = 0.30 TYP
0.50 BSC
OR 0.35 45 CHAMFER
0.25 0.05
(UH32) QFN 0406 REV D
32
23
0.40 0.10
1
2
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