LTC3205EUF#PBF Linear Technology, LTC3205EUF#PBF Datasheet - Page 14
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LTC3205EUF#PBF
Manufacturer Part Number
LTC3205EUF#PBF
Description
IC LED DRVR WT/RGB BCKLGT 24-QFN
Manufacturer
Linear Technology
Type
Backlight, White LED, RGB (Serial Interface)r
Datasheet
1.LTC3205XEUFPBF.pdf
(16 pages)
Specifications of LTC3205EUF#PBF
Topology
PWM, Step-Down (Buck), Step-Up (Boost), Switched Capacitor (Charge Pump)
Number Of Outputs
9
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
RGB, White LED
Frequency
600kHz ~ 1.1MHz
Voltage - Supply
2.8 V ~ 4.5 V
Mounting Type
Surface Mount
Package / Case
24-QFN
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
250mA
Internal Switch(s)
Yes
Efficiency
92%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC3205
14
TYPICAL APPLICATIO S
I
RGB
13
LTC3205
16.6k
GREEN
MAIN1
MAIN2
MAIN3
MAIN4
I
MS
SUB1
SUB2
BLUE
CPO
RED
14
I
RGB
24.9k
13
LTC3205
24.9k
2
1
24
23
22
21
18
19
20
15
GREEN
MAIN1
MAIN2
MAIN3
MAIN4
I
WHITE
MS
SUB1
SUB2
BLUE
CPO
RED
14
12.4k
All Charge Pump Main, Sub, RGB and Camera Light Controller
15
2
1
24
23
22
21
18
19
20
MAIN DISPLAY
WHITE
U
WHITE
Ultralow Brightness MAIN and SUB Displays
WHITE
CAMERA LIGHT
1 F
WHITE
10
LTC3205
4
1
Main, Sub and Keypad Illumination
V
D0
D1
8
C1
IN
I
RGB
I
MS
+
WHITE
1 F
LTC3202
WHITE
C1
14
13
7 9
–
C2
+
1 F
24.9k
SUB DISPLAY
V
GND
C2
WHITE
OUT
FB
WHITE
6
–
I
LED
3
2
5, 11
24.9k
= 40mA
487k
(DUTY CYCLE = 50%)
WHITE
WHITE
30
SUB DISPLAY
3205 TA08
WHITE
MAIN DISPLAY
WHITE
PWM SIGNAL
0V TO 1.3V OR HIGHER
50Hz TO 15kHz
BRIGHTNESS = 1 – D
BRIGHT DIM
30
BLUE
39
WHITE
I
LED
= 20mA
WHITE
30
BLUE
39
RED
WHITE
3205 TA02
30
BLUE
39
ILLUMINATOR
KEYPAD
GREEN
BLUE
1 F
39
BLUE
BLUE
39
3205 TA03
1 F
BLUE
39
1 F
3205f