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LTC3207/LTC3207-1
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 4)
V BAT , DV CC , CPO ........................................... –0.3V to 6V
ULED1 to ULED12, CAM .............................. –0.3V to 6V
SDA, SCL, ENU, CAMHL .............–0.3V to (DV CC + 0.3V)
PIN CONFIGURATION
TOP VIEW
24 23 22 21 20 19
I CPO
Continuous (Note 3) ........................................350mA
Pulsed at 10% Duty Cycle ................................600mA
I CAM
Continuous (Note 3) ........................................300mA
CPO 1
ULED1 2
ULED2 3
ULED3 4
ULED4 5
ULED5 6
25
18 ULED12
17 ULED11
16 ULED10
15 ULED9
14 ULED8
13 ULED7
Pulsed at 10% Duty Cycle ................................460mA
7
8
9 10 11 12
CPO Short-Circuit Duration .............................. Inde?nite
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 40°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3207EUF#PBF
LTC3207EUF-1#PBF
TAPE AND REEL
LTC3207EUF#TRPBF
LTC3207EUF-1#TRPBF
PART MARKING
3207
32071
PACKAGE DESCRIPTION
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V BAT = 3.6V, DV CC = 3V, ENU = Hi, CAMHL = LO, C1 = C2 = C3 = 2.2 μ F,
C4 = 4.7 μ F, unless otherwise noted.
PARAMETER
V BAT Operating Voltage
I VBAT Operating Current
CONDITIONS
I CPO = 0, 1x Mode
●
MIN
2.9
TYP
0.5
MAX
5.5
UNITS
V
mA
DV CC UVLO Threshold
I CPO = 0, 1.5x Mode
I CPO = 0, 2x Mode
2.9
4.1
1
mA
mA
V
DV CC Operating Voltage
V BAT UVLO Threshold
●
1.5
1.5
5.5
V
V
V BAT Shutdown Current
DV CC Shutdown Current
●
●
3.2
7
1
μA
μA
Universal LED Current, 6-Bit Linear DACs, ULED = 1V
Full-Scale LED Current
●
24.2
27.5
31
mA
Minimum (1LSB) LED Current
0.436
mA
3207fc
2
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