LTC4120 datasheet(2/32 Pages) LINER

2 / 32 page

LTC4120/LTC4120-4.2

4120ff

For more information www.linear.com/LTC4120

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

IN, RUN, CHRG, FAULT, DHC...................... –0.3V to 43V

BOOST ................................... VSW – 0.3V to (VSW + 6V)

SW (DC)........................................ –0.3V to (VIN + 0.3V)

SW (Pulsed <100ns) ......................–1.5V to (VIN + 1.5V)

CHGSNS, BAT, FBG, FB ...............................–0.3V to 12V

FREQ, NTC, PROG, INTVCC .......................... –0.3V to 6V

ICHGSNS, IBAT..................................................... ±600mA

(Note 1)

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4120EUD#PBF

LTC4120EUD#TRPBF

LGHB

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4120IUD#PBF

LTC4120IUD#TRPBF

LGHB

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4120EUD-4.2#PBF

LTC4120EUD-4.2#TRPBF LGMT

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4120IUD-4.2#PBF

LTC4120IUD-4.2#TRPBF LGMT

16-Lead (3mm × 3mm) Plastic QFN

–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.

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/. Some packages are available in 500 unit reels through

designated sales channels with #TRMPBF suffix.

LTC4120 OPTIONS

FLOAT VOLTAGE

LTC4120

Programmable

LTC4120-4.2

4.2V Fixed

LTC4120

LTC4120-4.2

16 15 14 13

TOP VIEW

GND

UD PACKAGE

16-LEAD (3mm

× 3mm) PLASTIC QFN

INTVCC

BOOST

NTC

FBG

BAT

TJMAX = 125°C, θJA = 54°C/W

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA

16 15 14 13

TOP VIEW

GND

UD PACKAGE

16-LEAD (3mm

× 3mm) PLASTIC QFN

INTVCC

BOOST

NTC

BATSNS

BAT

TJMAX = 125°C, θJA = 54°C/W

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA

IDHC............................................................... 350mARMS

ICHRG, IFAULT, IFBG ..................................................±5mA

IFB .........................................................................±5mA

IINTVCC .................................................................. –5mA

Operating Junction Temperature Range

(Note 2).................................................. –40°C to 125°C

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

(http://www.linear.com/product/LTC4120#orderinfo)

LTC4120 Datasheet(PDF) 2 Page - Linear Technology

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