LTC3208 datasheet(2/24 Pages) LINER

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LTC3208

3208fa

VBAT, DVCC, CPO to GND ................................– 0.3 to 6V

SDA, SCL, ENRGBS, CAMHL .....– 0.3V to (DVCC + 0.3V)

ICPO (Note 2)............................................................1.3A

IMAIN1-4, ISUB1-2 (Note 3) .......................................33mA

IRED, IGRN, IBLUE (Note 3).......................................33mA

ICAM1-4, IAUX1-4 (Note 3) ......................................120mA

CPO, RREF Short-Circuit Duration .................... Indeﬁnite

Operating Temperature Range (Note 4) .. – 40°C to 85°C

Storage Temperature Range.................. – 65°C to 125°C

(Note 1)

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VBAT = 3.6V, DVCC = 3V, ENRGBS = Hi, RREF = 24k, C2 = C3 = 2.2µF,

C1 = C4 = 4.7µF, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

32 31 30 29 28 27 26 25

10 11 12

TOP VIEW

UH PACKAGE

32-LEAD (5mm

× 5mm) QFN

EXPOSED PAD IS GND (PIN 33)

MUST BE SOLDERED TO PCB

13 14 15 16

CAM1

CAM2

CAM3

CAM4

AUX1

AUX2

AUX3

AUX4

VBAT2

RED

GRN

BLUE

SUB1

SUB2

MAIN4

MAIN3

TJMAX = 125°C, θJA = 34°C/W

ORDER PART NUMBER

UH PART MARKING

LTC3208EUH

3208

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

PARAMETERS

CONDITIONS

MIN

TYP

MAX

UNITS

VBAT Operating Voltage

●

2.9

4.5

IVBAT Operating Current

ICPO = 0, 1x Mode, LEDs Disabled

280

µA

ICPO = 0, 1.5x Mode

4.7

ICPO = 0, 2x Mode

DVCC Operating Voltage

●

1.5

5.5

DVCC Operating Current

DVCC = 1.8V, Serial Port Idle

●

µA

VBAT UVLO Threshold

1.5

DVCC UVLO Threshold

VBAT Shutdown Current

DVCC = 1.8V

3.2

µA

RREF

VRREF

●

1.195

1.215

1.235

RRREF

Reference Resistor Range

●

White LED Current (MAIN1-4, SUB1-2), 8-Bit Linear DACs

Full-Scale LED Current

MAIN, SUB = 1V

●

25.3

27.5

29.7

Minimum (1LSB) LED Current

MAIN, SUB = 1V

108

µA

LED Current Matching

Any Two MAIN or SUB Outputs, 50% FS

LED Dropout Voltage

ILED = FS

180

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