LTC3205EUF#PBF Linear Technology, LTC3205EUF#PBF Datasheet - Page 16
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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
TYPICAL APPLICATIO
RELATED PARTS
LTC3205
PART NUMBER
LT
LTC1911-1.5
LT1932
LT1937
LTC3200-5
LTC3201
LTC3202
LTC3251
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3440
LT3465/LT3465A
ThinSOT is a trademark of Linear Technology Corporation.
16
®
1618
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
MICROCONTROLLER
Li-Ion
FROM
DESCRIPTION
Constant Current, Constant Voltage, 1.4MHz
High Efficiency Boost Regulator
250mA (I
Step-Down Charge Pump
Constant Current, 1.2MHz High Efficiency White
LED Boost Regulator
Constant Current, 1.2MHz High Efficiency White
LED Boost Regulator
Low Noise, 2MHz Regulated Charge Pump
White LED Driver
Low Noise, 1.7MHz Regulated Charge Pump
White LED Driver
Low Noise, 1.5MHz Regulated Charge Pump
White LED Driver
500mA (I
Step-Down Charge Pump
300mA (I
DC/DC Converter
600mA (I
DC/DC Converter
600mA (I
DC/DC Converter
1.2MHz/2.7MHz with Internal Schottky
10
12
7
8
9
OUT
OUT
OUT
OUT
OUT
ENRGB
DV
D
SCLK
LD
SGND
C1
IN
), 1MHz to 1.6MHz Spread Spectrum 85% Efficiency, V
), 1.5MHz High Efficiency
), 1.5MHz Synchronous Step-Down
), 1.5MHz Synchronous Step-Down
), 2MHz Synchronous Buck-Boost
CC
1 F
5
+
17
C1
STEPUP
4
–
LTC3205
U
11
C2
1 F
6
+
I
MS
C2
14
24.9k
3
–
MAIN1
MAIN2
MAIN3
MAIN4
GREEN
www.linear.com
SUB1
SUB2
BLUE
I
CPO
RED
Using the RGB Display as a Camera Light
V
RGB
IN
16
Si1406DH
13
24.9k
2
1
24
23
22
21
18
19
20
15
WHITE
1 F
6.2k
WHITE
FLASH
I
FLASH
2.2 F
COMMENTS
Up to 16 White LEDs, V
10-Lead MS
75% Efficiency, V
I
Up to 8 White LEDs, V
ThinSOT
Up to 4 White LEDs, V
ThinSOT, SC70
Up to 6 White LEDs, V
ThinSOT
Up to 6 White LEDs, V
10-Lead MS
Up to 8 White LEDs, V
10-Lead MS
10-Lead MS
95% Efficiency, V
ThinSOT
95% Efficiency, V
ThinSOT
95% Efficiency, V
10-Lead MS
Up to 6 White LEDs, V
ThinSOT
= 100mA PER R, G, B, LED
SD
WHITE
: 10 A, MS8
4
TM
SHDN
WHITE
V
IN
5
LT1930A
2.2 H
GND
L1
2
IN
IN
IN
IN
IN
WHITE
: 2.7V to 5.5V, V
: 3.1V to 5.5V, V
: 2.7V to 6V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
SW
1
IN
IN
IN
IN
IN
IN
FB
IN
: 1V to 10V, V
: 2.5V to 10V, V
: 2.7V to 4.5V, V
: 2.7V to 4.5V, V
: 2.7V to 4.5V, V
: 12.7V to 16V, V
D1
3
: 1.6V to 18V, V
WHITE
38.3k
10k
I
LED
= 20mA
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
10 F
1 F
OUT(MAX)
V
I
RGB
RGB
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
= 300mA TOTAL
: 0.8V, I
LINEAR TECHNOLOGY CORPORATION 2003
= 6V
RED
: 1.5V/1.8V, I
: 0.9V to 1.6V, I
: 0.6V, I
: 2.5V, I
: 34V, I
: 34V, I
: 5V, I
: 5V, I
: 5V, I
: 34V, I
: 34V, I
Q
LT/TP 0504 1K • PRINTED IN USA
: 20 A, I
GREEN
Q
Q
: 20 A, I
: 25 A, I
Q
: 1.2mA, I
Q
Q
Q
3205 TA07
Q
: 8mA, I
: 6.5mA, I
: 5mA, I
Q
: 1.9mA, I
Q
Q
: 1.8mA, I
: 1.9mA, I
: 180 A,
BLUE
SD
Q
: 9 A, I
SD
SD
: 1 A,
: 1 A,
: 1 A,
SD
SD
SD
SD
SD
: 1 A,
: 1 A,
: 1 A,
SD
SD
SD
: 1 A,
: 1 A,
: 1 A,
: 1 A,
: <1 A,
3205f