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LTC3219

3219fa

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

ULED1-ULED9 ............................................. –0.3V to 6V

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

ICPO (Note 2) .......................................................250mA

CPO Short-Circuit Duration .............................. Indeﬁnite

Operating Temperature Range (Note 3).... –40°C to 85°C

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

(Notes 1, 4)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VBAT Operating Voltage

●

2.9

5.5

IVBAT Operating Current

ICPO = 0, 1x Mode

ICPO = 0, 1.5x Mode

ICPO = 0, 2x Mode

0.4

1.7

2.1

VBAT UVLO Threshold

1.5

DVCC Operating Voltage

●

1.5

5.5

DVCC UVLO Threshold

VBAT Shutdown Current

3.2

μA

DVCC Shutdown Current

●

1μA

Universal LED Current, 6-Bit Linear DACs, ULED = 1V

Full-Scale LED Current

●

Minimum LED Current

Data Code = 1

0.51

LED Current Matching

Any Two Outputs

Blink Rate Period

REG 11, D3 and D4

1.25

2.5

ULED Up/Down Gradation Ramp Times

REG11, D1 and D2

0.24

0.48

0.96

The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VBAT = 3.6V, DVCC = 3V, ENU = Hi, C1/C4 = 2.2μF, C2, C3 = 1μF, unless

otherwise noted.

PIN CONFIGURATION

20 19 18 17 16

TOP VIEW

UD PACKAGE

20-LEAD (3mm

3mm) PLASTIC QFN

9 10

CPO

ULED1

ULED2

ULED3

ULED4

GND

ULED9

ULED8

ULED7

ULED6

TJMAX = 125°C, θJA = 68°C/W

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3219EUD#PBF

LTC3219EUD#TRPBF

LCJV

20-Lead (3mm

× 3mm) Plastic QFN

–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/

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