LTC3220_1 datasheet(2/20 Pages) LINER

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LTC3220/LTC3220-1

32201fc

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

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

ULED1-ULED18 to GND ............................... –0.3V to 6V

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

ICPO (Continuous) (Note 2) ..................................360mA

IULED1-18 (Note 2) ..................................................25mA

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

Operating Temperature Range (Note 3)

LTC3220E/LTC3220E-1 ........................ –40°C to 85°C

LTC3220I/LTC3220I-1 ........................ –40°C to 125°C

Storage Temperature Range................... –65°C to 150°C

(Notes 1, 4)

28 27 26 25 24 23

TOP VIEW

PF PACKAGE

28-LEAD UTQFN (4mm

4mm)

10 11 12 13 14

ULED1

ULED2

ULED3

ULED4

ULED5

ULED6

ULED7

ULED18

ULED17

ULED16

ULED15

ULED14

ULED13

ULED12

TJMAX = 125°C, θJA = 37°C/W

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3220EPF#PBF

LTC3220EPF#TRPBF

3220T

28-Lead UTQFN (4mm

× 4mm)

–40°C to 85°C

LTC3220EPF-1#PBF

LTC3220EPF-1#TRPBF

2201T

28-Lead UTQFN (4mm

× 4mm)

–40°C to 85°C

LTC3220IPF#PBF

LTC3220IPF#TRPBF

3220T

28-Lead UTQFN (4mm

× 4mm)

–40°C to 125°C

LTC3220IPF-1#PBF

LTC3220IPF-1#TRPBF

2201T

28-Lead UTQFN (4mm

× 4mm)

–40°C to 125°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges. *The temperature grade is identiﬁed by a label on the shipping container.

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

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN Operating Voltage

2.9

5.5

IVIN Operating Current

ICPO = 0, 1x Mode

ICPO = 0, 1.5x Mode

ICPO = 0, 2x Mode

580

2.4

3.2

μA

DVCC UVLO Threshold

DVCC Operating Voltage

1.5

5.5

VIN UVLO Threshold

1.5

The

l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VIN = 3.6V, DVCC = 3V, RST = high, C1 = C2 = C3 = 2.2μF, C4 = 4.7μF,

unless otherwise noted.

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