LTC3210-2 Datasheet, PDF (2/16 Pages) Linear Technology – MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm × 3mm QFN

LTC3210-2/LTC3210-3
ABSOLUTE MAXIMUM RATINGS (Note 1)
V_BAT, CPO to GND ........................................ – 0.3V to 6V
ENM, ENC ................................... –0.3V to (V_BAT + 0.3V)
I_CPO (Note 2) ........................................................600mA
I_MLED1-4 .................................................................35mA
I_CLED (Note 2) ......................................................500mA
CPO Short-Circuit Duration.............................. Indefinite
Operating Temperature Range (Note 3) ...–40°C to 85°C
Storage Temperature Range...................–65°C to 125°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
16 15 14 13
C1P 1
12 GND
CPO 2
ENM 3
11 CLED
17
10 ENC
MLED1 4
9 RC
5678
16 15 14 13
C1P 1
12 GND
CPO 2
ENM 3
11 CLED
17
10 ENC
MLED1 4
9 RC
5678
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 68°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 68°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3210EUD-2#PBF
LTC3210EUD-2#TRPBF LCHX
16-Lead (3mm × 3mm) Plastic QFN
LTC3210EUD-3#PBF
LTC3210EUD-3#TRPBF LCHY
16-Lead (3mm × 3mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C.V_BAT = 3.6V, C1 = C2 = C3 = C4 = 2.2μF, RM = 30.1k, RC = 24.3k,
ENM = high, unless otherwise noted.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_BAT Operating Voltage
I_VBAT Operating Current
I_CPO = 0, 1x Mode, LSB Setting
I_CPO = 0, 1.5x Mode
I_CPO = 0, 2x Mode
V_BAT Shutdown Current
ENM = ENC = Low
MLED1, MLED2, MLED3 and MLED4 (LTC3210-2 Only) Current
● 2.9
4.5
V
0.4
mA
2.5
mA
4.5
mA
●
3
6
μA
LED Current Ratio (I_MLED/I_RM)
LED Dropout Voltage
LED Current Matching
I_MLED = Full Scale
● 481
525
589
A/A
Mode Switch Threshold, I_MLED = Full Scale
75
mV
Any Two Outputs
0.5
%
321023fa
2