LTC3205_15 Datasheet, PDF (15/16 Pages) Linear Technology – Multidisplay LED Controller

LTC3205
TYPICAL APPLICATIO S
4-LED Main Display Plus 160mA 4-LED Camera Light
15
CPO
MAIN DISPLAY
CAMERA LIGHT
LTC3205
1µF
2
MAIN1
1
MAIN2
24
MAIN3
23
MAIN4
22
SUB1
21
SUB2
18
RED
19
GREEN
20
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
I_LED = 20mA I_LED = 40mA
WHITE
WHITE
3205 TA05
I_RGB
13
12.4k
I_MS
14
24.9k
Main, Sub, RGB and Camera Light Controller
FLASH
15
CPO
LTC3205
11
STEPUP
I_RGB
13
2
MAIN1
1
MAIN2
24
MAIN3
23
MAIN4
22
SUB1
21
SUB2
18
RED
19
GREEN
20
BLUE
I_MS
14
24.9k 24.9k
MAIN DISPLAY
WHITE WHITE WHITE
WHITE
SUB DISPLAY
WHITE WHITE
RGB
CAMERA LIGHT
RED
GREEN BLUE
1µF
WHITE WHITE
39Ω
39Ω
3205 TA06
PACKAGE DESCRIPTIO
UF Package
24-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1697)
0.70 ±0.05
4.00 ± 0.10
(4 SIDES)
PIN 1
TOP MARK
(NOTE 6)
0.75 ± 0.05
4.50 ± 0.05
2.45 ± 0.05
(4 SIDES)
3.10 ± 0.05
2.45 ± 0.10
(4-SIDES)
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
0.23 TYP
(4 SIDES)
23 24
0.38 ± 0.10
1
2
PACKAGE OUTLINE
0.25 ±0.05
0.50 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
NOTE:
1. DRAWING PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE
MO-220 VARIATION (WGGD-X)—TO BE APPROVED
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
0.200 REF
0.00 – 0.05
(UF24) QFN 1103
0.25 ± 0.05
0.50 BSC
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE, IF PRESENT
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
3205f
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.
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