LTC3205 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3205' PDF : 16 Pages View PDF
LTC3205
TYPICAL APPLICATIO S
Ultralow Brightness MAIN and SUB Displays
LTC3205
14
IMS
13
IRGB
24.9k
487k
PWM SIGNAL
0V TO 1.3V OR HIGHER
50Hz TO 15kHz
BRIGHTNESS = 1 – D
24.9k
BRIGHT DIM
3205 TA08
All Charge Pump Main, Sub, RGB and Camera Light Controller
15
CPO
CAMERA LIGHT
SUB DISPLAY
(DUTY CYCLE = 50%)
ILLUMINATOR
LTC3205
1µF
2
MAIN1
1
MAIN2
24
MAIN3
23
MAIN4
22
SUB1
21
SUB2
18
RED
19
GREEN
20
BLUE
IRGB
IMS
13
14
24.9k 12.4k
WHITE
WHITE
WHITE
WHITE
WHITE
ILED = 40mA
WHITE
RED
ILED = 20mA
1µF
1µF
8
79
6
4 C1+ C1– C2+ C2– 3
VIN
VOUT
1µF
LTC3202
MAIN DISPLAY
GREEN BLUE
1µF
10 D0
1
D1
2
FB
WHITE
30Ω
5, 11
GND
WHITE
30Ω
WHITE
30Ω
WHITE
30Ω
3205 TA02
Main, Sub and Keypad Illumination
15
CPO
MAIN DISPLAY
SUB DISPLAY
KEYPAD
LTC3205
1µF
2
MAIN1
1
MAIN2
24
MAIN3
23
MAIN4
22
SUB1
21
SUB2
18
RED
19
GREEN
20
BLUE
IRGB
IMS
13
14
16.6k 24.9k
WHITE
WHITE
WHITE
WHITE
WHITE WHITE
BLUE
39Ω
BLUE
39Ω
BLUE
39Ω
BLUE
39Ω
BLUE
39Ω
BLUE
39Ω
3205 TA03
14
3205f
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