LTC3206EUF#TR Linear Technology, LTC3206EUF#TR Datasheet - Page 4

• Manufacturer Part Number: LTC3206EUF#TR
• Description: IC LED DRVR WT/RGB BCKLGT 24-QFN
• Manufacturer: Linear Technology
• Type: Backlight, White LED, RGB (I²C Interface)r

Specifications of LTC3206EUF#TR

• Topology: PWM, Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 11
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: RGB, White LED
• Frequency: 680kHz ~ 1.36MHz
• Voltage - Supply: 2.7 V ~ 4.5 V
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 400mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -

LTC3206
4
TYPICAL PERFOR A CE CHARACTERISTICS
1100
1000
800
150
900
700
300
250
200
100
0.9
0.8
0.7
0.6
0.5
–40
2.7
2.7
1x Mode Switch Resistance
vs Temperature
Oscillator Frequency
vs Supply Voltage
1x Mode No Load Supply Current
vs Input Voltage
I
T
I
CPO
MS
A
= 25°C
T
= I
A
= 100mA
3.0
3.0
–15
= –40°C
RGB
V
V
IN
IN
= 0µA
INPUT VOLTAGE (V)
= 3.6V
TEMPERATURE (°C)
3.3
3.3
SUPPLY VOLTAGE (V)
10
T
A
= 25°C
3.6
3.6
V
IN
35
= 3.3V
V
3.9
3.9
IN
= 3.9V
T
W
A
60
= 85°C
4.2
4.2
3206 G04
3206 G07
3206 G10
U
4.5
4.5
85
2.50
2.25
2.00
1.75
1.50
0.5
0.4
0.3
0.2
0.1
10
0
2
0
8
6
4
–40
2.7
1.5x Mode Charge Pump Open-
Loop Output Resistance vs
Temperature (1.5V
DV
vs Input Voltage
0
1.5x Mode Supply Current
vs I
V
V
C
IN
CPO
IN
V
V
T
T
A
IN
IN
A
CC
= 3V
= C
= 25°C
CPO
= –40°C
= 3.6V
= 3.6V
= 4.2V
3.0
–15
50
CPO
Shutdown Current
(I
= C
T
IN
LOAD CURRENT (mA)
TEMPERATURE (°C)
A
100
DV
3.3
FLY1
= 25°C
– 1.5I
CC
10
= C
VOLTAGE (V)
150
3.6
FLY2
CPO
IN
35
= 1.6µF
)
– V
200
3.9
CPO
T
A
60
250
)/I
= 85°C
4.2
CPO
3206 G05
3206 G08
3206 G11
300
85
4.5
120
100
80
60
40
20
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
10
0
2
0
8
6
4
LED Pin Voltage for Higher LED
Currents
2.7
0
1.5x Mode CPO Voltage
vs Load Current
0
V
vs Input Voltage
V
T
DV
IN
A
IN
T
A
= 25°C
CC
= 3.6V
Shutdown Current
V
= –40°C
3.0
IN
= 3V
0.2
100
= 3V
LED PIN VOLTAGE (V)
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
C
3.3
3.1V
IN
0.4
200
= C
3.2V
CPO
T
3.6
A
3.3V
= 25°C
= C
I
I
I
I
I
0.6
300
MS
MS
MS
MS
MS
FLY1
, I
, I
, I
, I
, I
3.9
3.6V
RGB
RGB
RGB
RGB
RGB
C
T
A
FLY2
= 250µA
= 200µA
= 150µA
= 100µA
= 50µA
0.8
400
= 85°C
T
4.2
A
3.5V
= 1.6µF
= 25°C
3206 G12
3206 G09
3206 G06
3.4V
3206f
1.0
500
4.5