LTC3210-1_15 Datasheet, PDF (2/16 Pages) Linear Technology – MAIN/CAM LED Controller with 64-Step Brightness Control in 3mm 3mm QFN

LTC3210-1
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
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 s 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-1#PBF LTC3210EUD-1#TRPBF LCBT
16-Lead (3mm × 3mm) Plastic QFN
LTC3210EPD-1#PBF
LTC3210EPD-1#TRPBF
LCXT
16-Lead (3mm × 3mm) Plastic UTQFN
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 (OBSOLETE)
Electrical Characteristics The l 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
V_BAT Operating Voltage
I_VBAT Operating Current
V_BAT Shutdown Current
MLED1, MLED2, MLED3, MLED4 Current
LED Current Ratio (I_MLED/I_RM)
LED Dropout Voltage
LED Current Matching
MLED Current, 6-Bit Linear DAC
CONDITIONS
I_CPO = 0, 1x Mode, LSB Setting
I_CPO = 0, 1.5x Mode
I_CPO = 0, 2x Mode
ENM = ENC = Low
I_MLED = Full-Scale
Mode Switch Threshold, I_MLED = Full-Scale
Any Two Outputs
1 ENM Strobe (FS)
63 ENM Strobes (FS/63)
MIN TYP MAX UNITS
l 2.9
4.5
V
0.4
mA
2.5
mA
4.5
mA
l
3
6
µA
l 481
535
589
A/A
75
mV
0.5
%
20
mA
0.318
mA
32101fd