LTC3577 datasheet(3/52 Pages) LINER

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LTC3577/LTC3577-1

3577f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VSW............................................................ –0.3V to 45V

VBUS, VOUT, VIN12, VIN3, VINLDO1, VINLDO2, WALL

t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V

Steady State............................................. –0.3V to 6V

CHRG, BAT, LED_FS, LED_OV, PWR_ON, WAKE,

PBSTAT, PG_DCDC, FB1, FB2, FB3, LDO1, LDO1_FB,

LDO2, LDO2_FB, DVCC, SCL, SDA ............... –0.3V to 6V

NTC, PROG, CLPROG, ON, ILIM0, ILIM1

(Note 4)............................................–0.3V to VCC + 0.3V

IVBUS, IVOUT, IBAT ........................................................2A

ISW3 (Continuous)................................................850mA

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

ILDO1, ILDO2 (Continuous).....................................200mA

ICHRG, IACPR, IWAKE, IPBSTAT, IPG_DCDC....................75mA

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

ICLPROG, IPROG, ILED_FS, ILED_OV...............................2mA

Junction Temperature ........................................... 110°C

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

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

(Notes 1, 2, 3)

TOP VIEW

UFF PACKAGE

44-LEAD (7mm

4mm) PLASTIC QFN

ILIM0 1

ILIM1 2

LED_FS 3

WALL 4

SW3 5

VIN3 6

FB3 7

OVSENS 8

LED_OV 9

DVCC 10

SDA 11

SCL 12

OVGATE 13

PWR_ON 14

ON 15

37 IDGATE

36 PROG

35 NTC

34 NTCBIAS

33 SW1

32 VIN12

31 SW2

30 VINLD02

29 LDO2

28 LDO1

27 LDO1_FB

26 FB1

25 FB2

24 LDO2_FB

23 VINLDO1

TJMAX = 110°C, θJA = 45°C/W

EXPOSED PAD (PIN 45) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3577EUFF#PBF

LTC3577EUFF#TRPBF

3577

44-Lead (4mm

× 7mm) Plastic QFN

–40°C to 85°C

LTC3577EUFF-1#PBF

LTC3577EUFF-1#TRPBF

35771

44-Lead (4mm

× 7mm) 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/

LTC3577 Datasheet(PDF) 3 Page - Linear Technology

LTC3577 Datasheet(HTML) 3 Page - Linear Technology

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