LTC3205EUF#PBF Linear Technology, LTC3205EUF#PBF Datasheet - Page 16

• 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

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: -

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
[phone] FAX: [phone]
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