LT1937 LINER [Linear Technology], LT1937 Datasheet - Page 23

• Manufacturer Part Number: LT1937
• Description: 20mA LED Driver and OLED Driver with Integrated Schottky in 3mm x 2mm DFN
• Manufacturer: LINER [Linear Technology]

PACKAGE DESCRIPTION
2.55 ±0.05
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
(SEE NOTE 6)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.15 ±0.05
TOP MARK
0.25 ± 0.05
PIN 1 BAR
0.64 ±0.05
(2 SIDES)
0.200 REF
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.
NOTE:
1. DRAWING IS NOT 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 ON THE TOP AND BOTTOM OF PACKAGE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
3.00 ±0.10
2.39 ±0.05
(2 SIDES)
(2 SIDES)
(Reference LTC DWG # 05-08-1723 Rev Ø)
12-Lead Plastic DFN (3mm × 2mm)
0.45 BSC
2.00 ±0.10
0.75 ±0.05
(2 SIDES)
0.70 ±0.05
DDB Package
PACKAGE
OUTLINE
0 – 0.05
R = 0.05
0.64 ± 0.10
(2 SIDES)
TYP
0.23 ± 0.05
BOTTOM VIEW—EXPOSED PAD
R = 0.115
7
6
TYP
2.39 ±0.10
(2 SIDES)
1
12
0.40 ± 0.10
0.45 BSC
PIN 1
R = 0.20 OR
0.25 × 45°
CHAMFER
(DDB12) DFN 0106 REV Ø
LT3498
23
3498f