LT1940 Linear Technology, LT1940 Datasheet - Page 19

• Manufacturer Part Number: LT1940
• Description: Dual Monolithic 1.4A/ 1.1MHz Step-Down Switching Regulator
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
6.60 0.10
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
(.0041 – .0071)
*
0.105 – 0.180
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
4.50 0.10
RECOMMENDED SOLDER PAD
(.169 – .176)
4.30 – 4.48*
(.020 – .028)
0.50 – 0.70
MILLIMETERS
0.65 BSC
(INCHES)
U
0.45 0.05
1.05 0.10
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663,
Exposed Pad Variation BA)
0 – 8
PAD HEAT SINK
ON BOTTOM OF
FE Package
EXPOSED
PACKAGE
(.0256)
0.65
BSC
16
1
(.0077 – .0118)
0.195 – 0.30
2
1514 13 12 11
(.196 – .204)
3 4 5 6 7 8
4.95 – 5.05*
(.118)
3.0
10
9
(.002 – .006)
0.05 – 0.15
FE16 TSSOP 1101
(.0453)
MAX
1.15
(.118)
3.0
(.246 – .256)
6.25 – 6.50
LT1940
19
1940i