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LTC4012-3_15 Datasheet, PDF (2/28 Pages) Linear Technology – High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control
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LTC4012-3
Absolute Maximum Ratings
(Note 1)
DCIN.............................................................–14V to 30V
DCIN to CLP................................................ –32V to 20V
CLP, CLN or SW to GND............................. –0.3V to 30V
CLP to CLN.............................................................±0.3V
CSP, CSN or BAT to GND............................ –0.3V to 28V
CSP to CSN............................................................±0.3V
BOOST to GND........................................... –0.3V to 36V
BOOST to SW............................................... –0.3V to 7V
SHDN or VFB to GND.................................... –0.3V to 7V
CHRG or ICL to GND................................... –0.3V to 30V
Operating Temperature Range
(Note 2).............................................. –40°C to 125°C
Junction Temperature (Note 3).............................. 125°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
CLN 1
CLP 2
INFET 3
DCIN 4
GND 5
20 19 18 17 16
15 CSP
14 CSN
21
13 PROG
12 ITH
11 BAT
6 7 8 9 10
UF PACKAGE
20-LEAD (4mm s 4mm) PLASTIC QFN
TJMAX = 125°C, JA = 37°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
LTC4012CUF-3#PBF
LTC4012CUF-3#TRPBF 40123
20-Lead (4mm × 4mm) Plastic QFN 0°C to 85°C
LTC4012IUF-3#PBF
LTC4012IUF-3#TRPBF 40123
20-Lead (4mm × 4mm) 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.
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/
40123fb

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