LT1943EFE#TR Linear Technology, LT1943EFE#TR Datasheet - Page 19
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LT1943EFE#TR
Manufacturer Part Number
LT1943EFE#TR
Description
IC REG SW QUAD TFT LCD 28-TSSOP
Manufacturer
Linear Technology
Datasheet
1.LT1943EFE.pdf
(20 pages)
Specifications of LT1943EFE#TR
Applications
Converter, TFT, LCD
Voltage - Input
4.5 ~ 22 V
Number Of Outputs
4
Voltage - Output
1.25 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
PACKAGE DESCRIPTIO
6.60 ±0.10
4.50 ±0.10
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
RECOMMENDED SOLDER PAD LAYOUT
(.0035 – .0079)
0.09 – 0.20
SEE NOTE 4
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.
(.187)
MILLIMETERS
4.75
(INCHES)
(.169 – .177)
4.30 – 4.50*
(.020 – .030)
0.50 – 0.75
U
0.65 BSC
0.45 ±0.05
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
(.108)
4. RECOMMENDED MINIMUM PCB METAL SIZE
2.74
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
FOR EXPOSED PAD ATTACHMENT
Exposed Pad Variation EB
1.05 ±0.10
0.25
REF
0° – 8°
PAD HEAT SINK
FE Package
ON BOTTOM OF
EXPOSED
PACKAGE
(.0256)
0.65
BSC
28 2726 25 24 23
1
(.0077 – .0118)
0.195 – 0.30
2
TYP
3 4 5 6 7 8 9 10 11 12 13 14
(.378 – .386)
9.60 – 9.80*
22 21
(.187)
4.75
20
19
18 17
16
15
(.002 – .006)
0.05 – 0.15
FE28 (EB) TSSOP 0204
(.047)
(.108)
MAX
1.20
2.74
LT1943
(.252)
6.40
BSC
19
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