LTC4121 datasheet(2/30 Pages) LINER

2 / 30 page

LTC4121/LTC4121-4.2

4121fc

For more information www.linear.com/LTC4121

ABSOLUTE MAXIMUM RATINGS

IN, RUN, CHRG, FAULT, MPPT ................... –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, FB/BATSNS, FBG................ –0.3V to 18V

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

LTC4121EUD#PBF

LTC4121EUD#TRPBF

LGHC

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4121IUD#PBF

LTC4121IUD#TRPBF

LGHC

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4121EUD-4.2#PBF

LTC4121EUD-4.2#TRPBF LGMV

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

LTC4121IUD-4.2#PBF

LTC4121IUD-4.2#TRPBF LGMV

16-Lead (3mm × 3mm) Plastic QFN

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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.

LTC4121

LTC4121-4.2

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

PIN CONFIGURATION

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

IFB, IFBG (LTC4121).................................................±5mA

IBATSNS (LTC4121-4.2) ...........................................±5mA

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

Operating Junction Temperature Range

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

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

LTC4121 Options

PART NUMBER

FLOAT VOLTAGE

LTC4121

Programmable

LTC4121-4.2

4.2V Fixed

(http://www.linear.com/product/LTC4121#orderinfo)

LTC4121 Datasheet(PDF) 2 Page - Linear Technology

LTC4121 Datasheet(HTML) 2 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Datasheet Download

Link URL