Rgb Led Driver And Charge Pump

Linear Technology Corporation

find LTC3212 datasheet
LTC3212 pinout,LTC3212 pin diagram
LTC3212
absoluTe MaxiMuM raTinGs
(Note 1)
pin conFiGuraTion
TOP VIEW
CP 1
CPO 2
LEDEN 3
I
SETB
4
I
SETR
5
I
SETG
6
13
12 VIN
11 CM
10 GND
9 LEDB
8 LEDR
7 LEDG
V
IN
to GND ................................................... –0.3V to 6V
CPO to GND ................................................. –0.3V to 6V
LEDEN ............................................. –0.3V to V
IN
+ 0.3V
I
CPO
(Note 2) ..........................................................75mA
I
LED(R,G,B)
(Note 2) .................................................30mA
CPO Short-Circuit Duration .............................. Indefinite
Operating Temperature Range
(Notes 3, 4).......................................... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
DDB PACKAGE
12-LEAD (3mm
×
2MM PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 76°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC3212EDDB#PBF
TAPE AND REEL
LTC3212EDDB#TR
PART MARKING
LCWM
PACKAGE DESCRIPTION
12-Lead (3mm × 2MM Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
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/
elecTrical characTerisTics
PARAMETER
V
IN
Operating Voltage
I
VIN
Operating Current
V
IN
Shutdown Current
LED Current
Current Ratio (I
LEDG
/I
SETG
)
Current Ratio (I
LEDB
/I
SETB
)
Current Ratio (I
LEDB
/I
SETG
)
Current Ratio (I
LEDR
/I
SETR
)
Current Ratio (I
LEDR
/I
SETG
)
I
Dropout Voltage (V
ILED
)
t
EN
Mode Switching Delay
Charge Pump Output Voltage Clamp
1x Mode Output Impedance
(Notes 6, 7)
The
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3.6V.
CONDITIONS
MIN
2.7
TYP
0.4
2.0
3
MAX
5.5
UNITS
V
mA
mA
I
CPO
= 0mA, 1x Mode
I
CPO
= 0mA, 2x Mode
LEDEN = Low
I
SETG
= 78µA
I
SETB
= 78µA
White Mode, I
SETG
= 78µA
I
SETR
= 78µA
White Mode, I
SETG
= 78µA
Mode Switching Theshold, I
= 15mA
Current Source Enable Time (LEDEN = High) (Note 5)
8
210
210
160
210
186
400
µA
A/A
A/A
A/A
A/A
A/A
mV
µs
µs
V
Ω
173
173
128
173
154
192
192
144
192
171
150
50
120
5.1
5
250
3212fb