LTC3558EUD-PBF datasheet(2/32 Pages) LINER

Part #	LTC3558EUD-PBF

Description	Linear USB Battery Charger with Buck and Buck-Boost Regulators

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3558

2

3558f

ABSOLUTE MAXIMUM RATINGS

VCC (Transient);

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

VCC (Static) .................................................. –0.3V to 6V

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

PROG, SUSP................................. –0.3V to (VCC + 0.3V)

HPWR, NTC................... –0.3V to Max (VCC, BAT) + 0.3V

PROG Pin Current ...............................................1.25mA

BAT Pin Current ..........................................................1A

PVIN1, PVIN2 ..................................–0.3V to (BAT + 0.3V)

EN1, EN2, MODE, VOUT2 .............................. –0.3V to 6V

FB1, SW1 ......................... –0.3V to (PVIN1 + 0.3V) or 6V

FB2, VC2, SWAB2............. –0.3V to (PVIN2 + 0.3V) or 6V

SWCD2 ............................–0.3V to (VOUT2 + 0.3V) or 6V

ISW1 ...............................................................600mA DC

ISWAB2, ISWCD2, IVOUT2...................................750mA DC

Junction Temperature (Note 2) ............................. 125°C

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

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

(Note 1)

PIN CONFIGURATION

20 19 18 17 16

7

8

TOP VIEW

21

UD PACKAGE

20-LEAD (3mm

× 3mm) PLASTIC QFN

9

10

GND

BAT

MODE

FB1

EN1

EN2

VC2

FB2

SUSP

VOUT2

12

11

13

14

15

4

5

3

2

1

6

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

LTC3558EUD#PBF

LTC3558EUD#TRPBF

LDCD

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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LTC3558EUD-PBF Datasheet(PDF) 2 Page - Linear Technology

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