LTC3109_15 Datasheet, PDF (22/24 Pages) Linear Technology – Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager

LTC3109
Package Description
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
GN Package
20-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641 Rev B)
.045 ±.005
.337 – .344*
(8.560 – 8.738)
20 19 18 17 16 15 14 13 12 11
.058
(1.473)
REF
.254 MIN
.150 – .165
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
.0165 ±.0015
.0250 BSC
RECOMMENDED SOLDER PAD LAYOUT
.015 ±.004
(0.38 ±0.10)
× 45°
.0075 – .0098
(0.19 – 0.25)
0° – 8° TYP
1 2 3 4 5 6 7 8 9 10
.0532 – .0688
(1.35 – 1.75)
.004 – .0098
(0.102 – 0.249)
.016 – .050
(0.406 – 1.270)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2.
DIMENSIONS
ARE
IN
INCHES
(MILLIMETERS)
3. DRAWING NOT TO SCALE
4. PIN 1 CAN BE BEVEL EDGE OR A DIMPLE
.008 – .012
(0.203 – 0.305)
TYP
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
.0250
(0.635)
BSC
GN20 REV B 0212
22
For more information www.linear.com/LTC3109
3109fb