LT3491EDC#PBF Linear Technology, LT3491EDC#PBF Datasheet - Page 15

• Manufacturer Part Number: LT3491EDC#PBF
• Description: IC, LED DRVR, DFN6
• Manufacturer: Linear Technology

Specifications of LT3491EDC#PBF

• Led Driver Application: Mobile Phone Display Lighting, General LED Lighting
• No. Of Outputs: 1
• Output Current: 200mA
• Output Voltage: 32V
• Input Voltage: 2.5V To 12V
• Dimming Control Type: PWM
• Topology: Boost (Step Up)
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE DESCRIPTIO
2.50 ±0.05
2.8 BSC
1.15 ±0.05
GAUGE PLANE
0.15 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WCCD-2)
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
1.8 REF
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
0.61 ±0.05
(2 SIDES)
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. DETAILS OF THE PIN 1 IDENTIFIER ARE OPTIONAL,
7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70 AND JEDEC MO-203 VARIATION BA
0.10 – 0.40
BUT MUST BE LOCATED WITHIN THE INDEX AREA
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
MAX
0.30
1.42 ±0.05
(2 SIDES)
PER IPC CALCULATOR
0.26 – 0.46
0.50 BSC
U
0.50
0.25 ± 0.05
REF
0.675 ±0.05
(Reference LTC DWG # 05-08-1639 Rev Ø)
PACKAGE
OUTLINE
(Reference LTC DWG # 05-08-1703)
1.00 REF
6-Lead DFN (2mm × 2mm)
(SEE NOTE 6)
TOP MARK
PIN 1 BAR
8-Lead Plastic SC70
0.10 – 0.18
(NOTE 3)
SC8 Package
0.200 REF
DC Package
1.80 – 2.40
1.00 MAX
1.15 – 1.35
(NOTE 4)
0.80 – 1.00
0.75 ±0.05
0.50 BSC
2.00 ±0.10
(4 SIDES)
PIN 1
0.00 – 0.05
PIN 8
0.56 ± 0.05
(2 SIDES)
INDEX AREA
(NOTE 6)
1.80 – 2.20
(NOTE 4)
R = 0.115
BOTTOM VIEW—EXPOSED PAD
TYP
1.37 ±0.05
(2 SIDES)
3
4
6
1
0.50 BSC
0.38 ± 0.05
SC8 SC70 0905 REV Ø
0.25 ± 0.05
0.00 – 0.10
0.15 – 0.27
8 PLCS (NOTE 3)
PIN 1
CHAMFER OF
EXPOSED PAD
REF
(DC6) DFN 1103
LT3491
15
3491fa