LTC3220_15 Datasheet, PDF (2/20 Pages) Linear Technology – 360mA Universal 18-Channel LED Driver

LTC3220/LTC3220-1
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 4)
V_IN, DV_CC, CPO to GND................................ –0.3V to 6V
ULED1-ULED18 to GND ............................... –0.3V to 6V
SDA, SCL, RST............................–0.3V to (DV_CC + 0.3V)
I_CPO (Continuous) (Note 2) ..................................360mA
I_ULED1-18 (Note 2) ..................................................25mA
CPO Short-Circuit Duration.............................. Indefinite
Operating Temperature Range (Note 3)
LTC3220E/LTC3220E-1 ........................ –40°C to 85°C
LTC3220I/LTC3220I-1 ........................ –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
28 27 26 25 24 23 22
ULED1 1
ULED2 2
ULED3 3
ULED4 4
ULED5 5
ULED6 6
ULED7 7
21 ULED18
20 ULED17
19 ULED16
29
18 ULED15
17 ULED14
16 ULED13
15 ULED12
8 9 10 11 12 13 14
PF PACKAGE
28-LEAD UTQFN (4mm s 4mm)
T_JMAX = 125°C, θ_JA = 37°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3220EPF#PBF
LTC3220EPF#TRPBF
3220T
28-Lead UTQFN (4mm × 4mm)
–40°C to 85°C
LTC3220EPF-1#PBF
LTC3220EPF-1#TRPBF 2201T
28-Lead UTQFN (4mm × 4mm)
–40°C to 85°C
LTC3220IPF#PBF
LTC3220IPF#TRPBF
3220T
28-Lead UTQFN (4mm × 4mm)
–40°C to 125°C
LTC3220IPF-1#PBF
LTC3220IPF-1#TRPBF 2201T
28-Lead UTQFN (4mm × 4mm)
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_IN = 3.6V, DV_CC = 3V, RST = high, C1 = C2 = C3 = 2.2μF, C4 = 4.7μF,
unless otherwise noted.
SYMBOL
PARAMETER
V_IN Operating Voltage
I_VIN Operating Current
DV_CC UVLO Threshold
DV_CC Operating Voltage
V_IN UVLO Threshold
CONDITIONS
I_CPO = 0, 1x Mode
I_CPO = 0, 1.5x Mode
I_CPO = 0, 2x Mode
MIN
TYP
MAX UNITS
l 2.9
5.5
V
580
μA
2.4
mA
3.2
mA
1
V
l 1.5
5.5
V
1.5
V
32201fc
2