Datasheet

LTC3220/LTC3220-1
2
32201fc
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
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 .............................. Indefi nite
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
(Notes 1, 4)
28 27 26 25 24 23
8 9
TOP VIEW
29
PF PACKAGE
28-LEAD UTQFN (4mm s 4mm)
10
11 12 13 14
ULED1
ULED2
ULED3
ULED4
ULED5
ULED6
ULED7
ULED18
ULED17
ULED16
ULED15
ULED14
ULED13
ULED12
CPO C1P C2P RST V
IN
C1M C2M
ULED8 ULED9
DV
CC
SCL
SDA
ULED10 ULED11
16
15
17
18
19
20
21
6
7
5
4
3
2
1
22
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 specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Voltage
l
2.9 5.5 V
I
VIN
Operating Current I
CPO
= 0, 1x Mode
I
CPO
= 0, 1.5x Mode
I
CPO
= 0, 2x Mode
580
2.4
3.2
μA
mA
mA
DV
CC
UVLO Threshold 1V
DV
CC
Operating Voltage
l
1.5 5.5 V
V
IN
UVLO Threshold 1.5 V
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations 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.