LTC3576-1 datasheet(2/48 Pages) LINER

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LTC3576/LTC3576-1

3576f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VBUS, WALL (Transient) t < 1ms,

Duty Cycle < 1% .......................................... –0.3V to 7V

VBUS, WALL (Static), BAT, VIN1, VIN2, VIN3,

VOUT, ENOTG, NTC, SDA, SCL, DVCC,

RST3, CHRG ................................................ –0.3V to 6V

ILIM0, IILIM1 .........–0.3V to Max(VBUS, VOUT, BAT) + 0.3V

EN1, EN2, EN3 ...............................–0.3V to VOUT + 0.3V

FBx (x = 1, 2, 3) ..............................–0.3V to VINx + 0.3V

IOVSENS...................................................................10mA

ICLPROG ....................................................................3mA

ICHRG, IRST3............................................................50mA

IPROG........................................................................2mA

ILDO3V3...................................................................30mA

ISW1, ISW2 (Continuous).......................................600mA

ISW, ISW3, IBAT, IVOUT (Continuous)..............................2A

Maximum Junction Temperature........................... 125°C

Operating Temperature Range.................. –40°C to 85°C

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

(Notes 1, 2, 3)

13 14 15 16

TOP VIEW

UFE PACKAGE

38-LEAD (4mm

6mm) PLASTIC QFN

17 18 19

38 37 36 35 34 33 32

CLPROG

LDO3V3

NTCBIAS

NTC

OVGATE

OVSENS

FB1

VIN1

SW1

EN1

ENOTG

DVCC

IDGATE

CHRG

PROG

ACPR

WALL

FB2

VIN2

SW2

EN2

RST3

FB3

TJMAX = 125°C, θJA = 34°C/W

EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PowerPath Switching Regulator—Step-Down Mode

VBUS

Input Supply Voltage

4.35

5.5

IVBUS(LIM)

Total Input Current

× Mode

Low Power Suspend Mode

High Power Suspend Mode

440

800

0.32

1.6

472

880

0.39

2.05

100

500

1000

0.5

2.5

IVBUSQ (Note 4)

Input Quiescent Current

× Mode

×, 10× Modes

Low/High Power Suspend Modes

0.045

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3576EUFE#PBF

LTC3576EUFE#TRPBF

3576

38-Lead (4mm

× 6mm) Plastic QFN

–40°C to 85°C

LTC3576EUFE-1#PBF

LTC3576EUFE-1#TRPBF

35761

38-Lead (4mm

× 6mm) 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/

ELECTRICAL CHARACTERISTICS The l denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VBUS = 5V, BAT = 3.8V, DVCC = 3.3V, RCLPROG = 3.01k, unless

otherwise noted.

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