LTC4012CUF-2#TRPBF Linear Technology, LTC4012CUF-2#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LTC4012CUF-2#TRPBF
• Description: IC BATT CHRGR MC HI-EFF 20-QFN
• Manufacturer: Linear Technology

Specifications of LTC4012CUF-2#TRPBF

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad
• Operating Supply Voltage (min): 6V
• Operating Supply Voltage (max): 28V
• Operating Temp Range: 0C to 85C
• Mounting: Surface Mount
• Pin Count: 20
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

absolute MaxiMuM ratings
LTC4012/
LTC4012-1/LTC4012-2
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
orDer inForMation
LEAD FREE FINISH
LTC4012CUF#PBF
LTC4012CUF-1#PBF
LTC4012CUF-2#PBF
LTC4012IUF#PBF
LTC4012IUF-1#PBF
LTC4012IUF-2#PBF
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/
(Note 1)
pin conFiguration

LTC4012
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
INFET
DCIN
CLN
ACP
CLP
20-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
T
JMAX
TAPE AND REEL
LTC4012CUF#TRPBF
LTC4012CUF-1#TRPBF
LTC4012CUF-2#TRPBF
LTC4012IUF#TRPBF
LTC4012IUF-1#TRPBF
LTC4012IUF-2#TRPBF
20 19 18 17 16
6
= 125°C,
UF PACKAGE
TOP VIEW
7
GND
21
8
JA
9 10
= 37°C/W
15
14
13
12
11
CSP
CSN
PROG
ITH
BAT
PART MARKING*
4012
40121
40122
4012
40121
40122
LTC4012-1
LTC4012-2
SHDN, FVS0, FVS1 or V
ACP, CHRG or ICL to GND .......................... –0.3V to 30V
Operating Temperature Range
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 2) ............................................. –40°C to 125°C
PACKAGE DESCRIPTION
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
INFET
DCIN
CLN
ACP
CLP
20-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
T
JMAX
20 19 18 17 16
6
= 125°C,
UF PACKAGE
FB
TOP VIEW
7
GND
21
to GND ............... –0.3V to 7V
8
JA
9 10
= 37°C/W
–40°C to 125°C
TEMPERATURE RANGE
0°C to 85°C
0°C to 85°C
0°C to 85°C
–40°C to 125°C
–40°C to 125°C
15
14
13
12
11
CSP
CSN
PROG
ITH
BAT
4012fa