LTC3206EUF Linear Technology, LTC3206EUF Datasheet - Page 2

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

Specifications of LTC3206EUF

• 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: -

ABSOLUTE AXI U RATI GS
LTC3206
(Note 1)
V
SDA, SCL, ENRGB/S ................. – 0.3V to (DV
I
I
I
I
CPO Short-Circuit Duration ............................ Indefinite
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 125°C
2
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
Input Power Supply
White LED Current (MAIN1-MAIN4, SUB1, SUB2, AUX1, AUX2)
RGB LED Current (RED, GREEN, BLUE)
Charge Pump (CPO)
ELECTRICAL CHARACTERISTICS
CPO
MAIN1-4,
RED,GREEN,BLUE
MS
IN
(Pulsed at 10% Duty Cycle) (Note 4) ..................... 1A
(Pulsed at 10% Duty Cycle) (Note 4) .............. 125mA
(Pulsed at 10% Duty Cycle) (Note 4) .............. 125mA
, DV
, I
(Continuous) (Note 4) ................................ 400mA
RGB
CC
V
DV
V
DV
V
DV
I
Full-Scale LED Current Ratio (I
LED Dropout Voltage
LED Brightness Range
LED Current Matching
I
LED Current Ratio (I
RGB LED Dropout Voltage
RGB PWM (Duty Factor) Range
1x Mode Output Impedance
1.5x Mode Output Impedance
I
MS
RGB
IN
IN
IN
SUB1,2
(Note 4) .................................................. 1mA
, CPO to GND............................... – 0.3V to 6V
CC
CC
CC
Operating Voltage
Operating Current
Shutdown Current
Servo Voltage
Servo Voltage
Operating Voltage
Operating Current
Shutdown Current
, I
(Note 4) ..................................... 100mA
AUX 1, 2
W
LED
(Note 4) ..................... 100mA
/I
W W
RGB
)
LED
/I
MS
) MAIN1-MAIN4, SUB1, SUB2, AUX1, AUX2, Voltage = 1V
CONDITIONS
I
I
Serial Port Idle
25µA < I
1.5x Mode Switch Threshold, I
MAIN-MAIN, MAIN-AUX, SUB-SUB, SUB-AUX
25µA < I
RED, GREEN, BLUE Voltage = 1V
1.5x Mode Switch Threshold, I
V
CPO
CPO
IN
= 3V, V
= I
= I
U
MS
MS
A
CC
MS
RGB
= 25°C. V
= I
= I
CPO
< 75µA
+ 0.3V)
< 75µA
RGB
RGB
The
= 4.2V (Note 3)
= 0µA, Direct-Connect Mode
= 0µA, 1.5x Step-Up Mode
●
IN
denotes the specifications which apply over the full operating
= 3.6V, DV
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LED
LED
= 20mA
= 20mA
SUB1
SUB2
T
C2
C1
C1
C2
JMAX
CC
–
–
+
+
24-LEAD (4mm × 4mm) PLASTIC QFN
EXPOSED PAD IS PGND (PIN 25)
= 3V unless otherwise noted.
1
2
3
4
5
6
= 125°C, θ
MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7
8
UF PACKAGE
TOP VIEW
JA
9
25
= 37°C/W, θ
10 11 12
●
●
●
●
●
JC
18
17
16
15
14
13
= 2°C/W
BLUE
GREEN
RED
V
CPO
SGND
0.585
0.582
0.585
0.582
IN
MIN
0.78
0/15
368
360
2.7
1.5
U
0.68
1.90
TYP
180
400
400
3.9
7.3
0.6
0.6
0.6
0.6
80
80
1
ORDER PART
LTC3206EUF
W
MARKING
NUMBER
UF PART
0.615
0.618
0.615
0.618
15/15
MAX
3206
432
100
440
4.5
5.5
10
1
1
mA/mA
mA/mA
UNITS
U
3206f
mA
mV
mV
µA
µA
µA
µA
%
%
%
Ω
Ω
V
V
V
V
V
V