LTC4012-2_15 Datasheet, PDF (2/28 Pages) Linear Technology – High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control

LTC4012/
LTC4012-1/LTC4012-2
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, FVS0, FVS1 or V_FB to GND............... –0.3V to 7V
ACP, 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
LTC4012
TOP VIEW
LTC4012-1
LTC4012-2
TOP VIEW
CLN 1
CLP 2
INFET 3
DCIN 4
ACP 5
20 19 18 17 16
15 CSP
14 CSN
21
GND
13 PROG
12 ITH
11 BAT
6 7 8 9 10
UF PACKAGE
20-LEAD (4mm s 4mm) PLASTIC QFN
T_JMAX = 125°C, _JA = 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
20 19 18 17 16
CLN 1
CLP 2
INFET 3
DCIN 4
ACP 5
15 CSP
14 CSN
21
GND
13 PROG
12 ITH
11 BAT
6 7 8 9 10
UF PACKAGE
20-LEAD (4mm s 4mm) PLASTIC QFN
T_JMAX = 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#PBF
LTC4012CUF#TRPBF
4012
20-Lead (4mm × 4mm) Plastic QFN 0°C to 85°C
LTC4012CUF-1#PBF
LTC4012CUF-1#TRPBF 40121
20-Lead (4mm × 4mm) Plastic QFN 0°C to 85°C
LTC4012CUF-2#PBF
LTC4012CUF-2#TRPBF 40122
20-Lead (4mm × 4mm) Plastic QFN 0°C to 85°C
LTC4012IUF#PBF
LTC4012IUF#TRPBF
4012
20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC4012IUF-1#PBF
LTC4012IUF-1#TRPBF 40121
20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C
LTC4012IUF-2#PBF
LTC4012IUF-2#TRPBF 40122
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/
4012fa