LTC4012CUF-3#TRPBF Linear Technology, LTC4012CUF-3#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LTC4012CUF-3#TRPBF
• Description: IC BATT CHRGR MC HI-EFF 20-QFN
• Manufacturer: Linear Technology

Specifications of LTC4012CUF-3#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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

absoluTe MaxiMuM raTings
LTC4012-3
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 V
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
orDer inForMaTion
LEAD FREE FINISH
LTC4012CUF-3#PBF
LTC4012IUF-3#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:
For more information on tape and reel specifications, go to:
(Note 1)

(Note 2) ............................................. –40°C to 125°C
FB
to GND .................................... –0.3V to 7V
TAPE AND REEL
LTC4012CUF-3#TRPBF
LTC4012IUF-3#TRPBF
http://www.linear.com/leadfree/
PART MARKING*
40123
40123
http://www.linear.com/tapeandreel/
pin conFiguraTion
PACKAGE DESCRIPTION
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
GND
CLN
CLP
20-LEAD (4mm 4mm) PLASTIC QFN
1
2
3
4
5
T
JMAX
20 19 18 17 16
6
= 125°C,
UF PACKAGE
TOP VIEW
7
21
8
JA
9 10
= 37°C/W
TEMPERATURE RANGE
0°C to 85°C
–40°C to 125°C
15
14
13
12
11
CSP
CSN
PROG
ITH
BAT
40123fb