LTC3205 LINER [Linear Technology], LTC3205 Datasheet - Page 2

• Manufacturer Part Number: LTC3205
• Description: Multidisplay LED Controller
• Manufacturer: LINER [Linear Technology]

ABSOLUTE AXI U RATI GS
LTC3205
(Note 1)
V
D
ENRGB ...................................... – 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
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
Input Power Supply
White LED Current (MAIN1-MAIN4, SUB1, SUB2)
RGB LED Current (RED, GREEN, BLUE)
RGB PWM Frequency
2
ELECTRICAL CHARACTERISTICS
CPO
MAIN1-4,
RED,GREEN,BLUE
MS
IN
IN
, DV
, SCLK, LD, STEPUP,
, I
(Note 4)...................................................... 250mA
RGB
CC
V
DV
I
I
V
DV
I
Full-Scale LED Current Ratio (I
Half-Scale LED Current Ratio (I
Quarter-Scale LED Current Ratio (I
LED Current Matching
I
LED Current Ratio (I
RGB LED Switching Frequency
RGB PWM (Duty Factor) Range
VIN
DVCC
MS
RGB
I
IN
IN
SUB1,2
(Note 4) .................................................. 1mA
, CPO to GND............................. – 0.3V TO 6V
CC
CC
Operating Voltage
Shutdown Current
Servo Voltage
Operating Current
Servo Voltage
Operating Voltage
Shutdown Current
Operating Current
(Note 4) ..................................... 100mA
(Note 4) ..................................... 50mA
W
LED
/I
W W
RGB
)
LED
LED
/I
/I
LED
MS
MS
/I
)
)
MS
) MAIN1-MAIN4, SUB1, SUB2 Voltage = 1V
CONDITIONS
I
I
Serial Port Idle
25 A < I
MAIN1-MAIN4, SUB1, SUB2 Voltage = 1V
MAIN1-MAIN4, SUB1, SUB2 Voltage = 1V
Any Two MAIN or SUB Outputs
25 A < I
RED, GREEN, BLUE Voltage = 1V
CPO
CPO
U
, I
A
= 0 A, Step-Up Mode
CC
MS
= 25 C. V
MS
RGB
, I
+ 0.3V)
IRGB
The
< 75 A
< 75 A
= 0 A, Step-Down 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.
MAIN2
MAIN1
C2
C1
C1
C2
T
CC
–
–
+
+
JMAX
24-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
6
EXPOSED PAD IS PGND (PIN 25)
= 1.8V unless otherwise noted.
= 150 C,
MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7
8
UF PACKAGE
TOP VIEW
JA
9
= 37 C/W,
25
10 11 12
JC
= 2 C/W
18
17
16
15
14
13
1.193
1.175
1.193
1.175
0/15
MIN
368
184
360
2.8
1.5
92
RED
SGND
V
CPO
I
I
MS
RGB
IN
U
1.223
1.223
1.223
1.223
TYP
400
200
100
400
4.2
0.7
3.5
70
ORDER PART
LTC3205EUF
W
MARKING
NUMBER
UF PART
1.253
1.271
1.253
1.271
15/15
MAX
3205
432
216
108
440
4.5
5.5
1
1
1
mA/mA
mA/mA
mA/mA
mA/mA
UNITS
U
3205f
kHz
mA
%
%
V
V
V
V
V
V
A
A
A
A